"Joe" wrote:

> Hello All:
>
> Do I have to use the LoadControl method of the Page to load a UserControl?
>
> I have a class which contains three methods (one public and two private). 
> The class acts as a control server.  It "serves" back the required control
> (either WebControl or UserControl) based on the contents of an xml file.  The
> code in the webform places each control in a TableCell.
>
> My problem is that the control server works as far as returning the correct
> control; but when I view the webform, the UserControl is nowhere to be found.
>  It's not on the page and not in the View Source.
>
> Here is the server code (I'm not posting GetWebControl here):
>
>     Public Function GetControl(ByVal NodeToRender As XmlNode) As
> Web.UI.Control
>         Dim ValueToMatch As String
>         If NodeToRender.Name.Equals("DisplayText") Then
>             ValueToMatch = NodeToRender.Name.ToLower
>         Else
>             ValueToMatch = NodeToRender.Attributes("type").Value.ToLower
>         End If
>         Select Case ValueToMatch.ToLower
>             Case "label", "textbox", "checkbox", "displaytext"
>                 Return GetWebControl(NodeToRender)
>
>             Case "customaddresses"
>                 Return GetUserControl(NodeToRender)
>
>         End Select
>     End Function
>
>     Private Function GetUserControl(ByVal NodeToRender As XmlNode) As
> Web.UI.UserControl
>         Dim uControl As New CustomAddresses
>        
> uControl.PopulateAddressBoxes(NodeToRender.Attributes("value").Value.Trim)
>         Return uControl
>     End Function
>
> Here is the code and HTML for the UserControl (called CustomAddresses):
>
> Public Class CustomAddresses
>     Inherits System.Web.UI.UserControl
>
>     Public Sub New()
>         Addr1 = New TextBox
>         Addr2 = New TextBox
>         Addr3 = New TextBox
>         Addr4 = New TextBox
>     End Sub
>
>     Public Sub PopulateAddressBoxes(ByVal str As String)
>         Dim SelectedValue() As String = str.Split(("/").ToCharArray())
>         Dim Name As String = SelectedValue(0).Trim
>         Dim Address() As String = SelectedValue(1).Split((",").ToCharArray())
>         Dim Addr1 As String = Address(0).Trim
>         Dim Addr2 As String = Address(1).Trim
>         Dim City As String = Address(Address.Length - 3).Trim
>         Dim StateProvCd As String = Address(Address.Length - 2).Trim
>         Dim PostalCode As String = Address(Address.Length - 1).Trim
>
>         Me.Addr1.Text = Name
>         Me.Addr2.Text = Addr1
>         If Not Addr2.Equals(City) Then
>             Me.Addr3.Text = Addr2
>             Me.Addr4.Text = City & " " & StateProvCd & ", " & PostalCode
>         Else
>             Me.Addr3.Text = City & " " & StateProvCd & ", " & PostalCode
>         End If
>     End Sub
> End Class
>
> <%@ Control Language="vb" AutoEventWireup="false"
> Codebehind="CustomAddresses.ascx.vb" Inherits="WBMI.Claims.CustomAddresses"
> TargetSchema="http://schemas.microsoft.com/intellisense/ie5"%>
> <TABLE class="interior" id="Table1" width="100%">
>     <TR>
>         <TD class="tabledata">
>             <asp:TextBox id="Addr1" runat="server" Width="361px" ReadOnly="False"
> MaxLength="60"></asp:TextBox></TD>
>     </TR>
>     <TR>
>         <TD class="tabledata">
>             <asp:TextBox id="Addr2" runat="server" Width="361px" ReadOnly="False"
> MaxLength="60"></asp:TextBox></TD>
>     </TR>
>     <TR>
>         <TD class="tabledata">
>             <asp:TextBox id="Addr3" runat="server" Width="361px" ReadOnly="False"
> MaxLength="60"></asp:TextBox></TD>
>     </TR>
>     <TR>
>         <TD class="tabledata">
>             <asp:TextBox id="Addr4" runat="server" Width="361px" ReadOnly="False"
> MaxLength="60"></asp:TextBox></TD>
>     </TR>
> </TABLE>
>
> Here's a sample of the webform code that calls these:
>
> If TypeOf SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)) Is
> WebControl Then
>    ControlToRender =
> CType(SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)),
> WebControl)
>
>  ElseIf TypeOf
> SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)) Is
> UserControl Then
>    ControlToRender =
> CType(SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)),
> UserControl)
>
> End If
> NewCell.Controls.Add(ControlToRender)
>
> What this boils down to is that I want to create and utilize a ControlServer
> class to encapsulate the details about how a control is created and returned.
>
> Can this be done?
>
> TIA,
> --
> Joe
>
> VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation

"Joe" <joeherro@donotspam.yahoo.com> wrote in message
news:0FF81938-2689-42C0-886B-1B0FE9D97972@microsoft.com...
>I figured out that I have to override the Render method in the UserControl.
>
> I do not really understand the HtmlTextWriter.  How do I write populated
> TextBox controls to the webform?
>
> Thank you for any available help.
> --
> Joe
>
> VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
>
>
> "Joe" wrote:
>
>> Hello All:
>>
>> Do I have to use the LoadControl method of the Page to load a
>> UserControl?
>>
>> I have a class which contains three methods (one public and two private).
>> The class acts as a control server.  It "serves" back the required
>> control
>> (either WebControl or UserControl) based on the contents of an xml file.
>> The
>> code in the webform places each control in a TableCell.
>>
>> My problem is that the control server works as far as returning the
>> correct
>> control; but when I view the webform, the UserControl is nowhere to be
>> found.
>>  It's not on the page and not in the View Source.
>>
>> Here is the server code (I'm not posting GetWebControl here):
>>
>>     Public Function GetControl(ByVal NodeToRender As XmlNode) As
>> Web.UI.Control
>>         Dim ValueToMatch As String
>>         If NodeToRender.Name.Equals("DisplayText") Then
>>             ValueToMatch = NodeToRender.Name.ToLower
>>         Else
>>             ValueToMatch = NodeToRender.Attributes("type").Value.ToLower
>>         End If
>>         Select Case ValueToMatch.ToLower
>>             Case "label", "textbox", "checkbox", "displaytext"
>>                 Return GetWebControl(NodeToRender)
>>
>>             Case "customaddresses"
>>                 Return GetUserControl(NodeToRender)
>>
>>         End Select
>>     End Function
>>
>>     Private Function GetUserControl(ByVal NodeToRender As XmlNode) As
>> Web.UI.UserControl
>>         Dim uControl As New CustomAddresses
>>
>> uControl.PopulateAddressBoxes(NodeToRender.Attributes("value").Value.Trim)
>>         Return uControl
>>     End Function
>>
>> Here is the code and HTML for the UserControl (called CustomAddresses):
>>
>> Public Class CustomAddresses
>>     Inherits System.Web.UI.UserControl
>>
>>     Public Sub New()
>>         Addr1 = New TextBox
>>         Addr2 = New TextBox
>>         Addr3 = New TextBox
>>         Addr4 = New TextBox
>>     End Sub
>>
>>     Public Sub PopulateAddressBoxes(ByVal str As String)
>>         Dim SelectedValue() As String = str.Split(("/").ToCharArray())
>>         Dim Name As String = SelectedValue(0).Trim
>>         Dim Address() As String =
>> SelectedValue(1).Split((",").ToCharArray())
>>         Dim Addr1 As String = Address(0).Trim
>>         Dim Addr2 As String = Address(1).Trim
>>         Dim City As String = Address(Address.Length - 3).Trim
>>         Dim StateProvCd As String = Address(Address.Length - 2).Trim
>>         Dim PostalCode As String = Address(Address.Length - 1).Trim
>>
>>         Me.Addr1.Text = Name
>>         Me.Addr2.Text = Addr1
>>         If Not Addr2.Equals(City) Then
>>             Me.Addr3.Text = Addr2
>>             Me.Addr4.Text = City & " " & StateProvCd & ", " & PostalCode
>>         Else
>>             Me.Addr3.Text = City & " " & StateProvCd & ", " & PostalCode
>>         End If
>>     End Sub
>> End Class
>>
>> <%@ Control Language="vb" AutoEventWireup="false"
>> Codebehind="CustomAddresses.ascx.vb"
>> Inherits="WBMI.Claims.CustomAddresses"
>> TargetSchema="http://schemas.microsoft.com/intellisense/ie5"%>
>> <TABLE class="interior" id="Table1" width="100%">
>> <TR>
>> <TD class="tabledata">
>> <asp:TextBox id="Addr1" runat="server" Width="361px" ReadOnly="False"
>> MaxLength="60"></asp:TextBox></TD>
>> </TR>
>> <TR>
>> <TD class="tabledata">
>> <asp:TextBox id="Addr2" runat="server" Width="361px" ReadOnly="False"
>> MaxLength="60"></asp:TextBox></TD>
>> </TR>
>> <TR>
>> <TD class="tabledata">
>> <asp:TextBox id="Addr3" runat="server" Width="361px" ReadOnly="False"
>> MaxLength="60"></asp:TextBox></TD>
>> </TR>
>> <TR>
>> <TD class="tabledata">
>> <asp:TextBox id="Addr4" runat="server" Width="361px" ReadOnly="False"
>> MaxLength="60"></asp:TextBox></TD>
>> </TR>
>> </TABLE>
>>
>> Here's a sample of the webform code that calls these:
>>
>> If TypeOf SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode))
>> Is
>> WebControl Then
>>    ControlToRender =
>> CType(SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)),
>> WebControl)
>>
>>  ElseIf TypeOf
>> SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)) Is
>> UserControl Then
>>    ControlToRender =
>> CType(SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)),
>> UserControl)
>>
>> End If
>> NewCell.Controls.Add(ControlToRender)
>>
>> What this boils down to is that I want to create and utilize a
>> ControlServer
>> class to encapsulate the details about how a control is created and
>> returned.
>>
>> Can this be done?
>>
>> TIA,
>> --
>> Joe
>>
>> VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation

"Peter Rilling" wrote:

> Can you clarify more why you don't want to call LoadControl to load the
> control.  The reason LoadControl exists is so that ASP.NET has the ability
> to prepare the object has it expects such as loading the ASCX and creating
> an object model.  If you create one with a constructor, then you prevent the
> engine from doing what it was suppose to.
>
> All controls have the Render method, but you should not override that in a
> usercontrol.  There are such things as custom web controls which inherit
> from WebControl which you can then  override the Render method.
>
> All the HtmlTextWriter does is allow you to output the HTML.  A textbox is
> nothing more than <input type="text" value="something"/>.
>
>
> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
> news:0FF81938-2689-42C0-886B-1B0FE9D97972@microsoft.com...
> >I figured out that I have to override the Render method in the UserControl.
> >
> > I do not really understand the HtmlTextWriter.  How do I write populated
> > TextBox controls to the webform?
> >
> > Thank you for any available help.
> > --
> > Joe
> >
> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
> >
> >
> > "Joe" wrote:
> >
> >> Hello All:
> >>
> >> Do I have to use the LoadControl method of the Page to load a
> >> UserControl?
> >>
> >> I have a class which contains three methods (one public and two private).
> >> The class acts as a control server.  It "serves" back the required
> >> control
> >> (either WebControl or UserControl) based on the contents of an xml file.
> >> The
> >> code in the webform places each control in a TableCell.
> >>
> >> My problem is that the control server works as far as returning the
> >> correct
> >> control; but when I view the webform, the UserControl is nowhere to be
> >> found.
> >>  It's not on the page and not in the View Source.
> >>
> >> Here is the server code (I'm not posting GetWebControl here):
> >>
> >>     Public Function GetControl(ByVal NodeToRender As XmlNode) As
> >> Web.UI.Control
> >>         Dim ValueToMatch As String
> >>         If NodeToRender.Name.Equals("DisplayText") Then
> >>             ValueToMatch = NodeToRender.Name.ToLower
> >>         Else
> >>             ValueToMatch = NodeToRender.Attributes("type").Value.ToLower
> >>         End If
> >>         Select Case ValueToMatch.ToLower
> >>             Case "label", "textbox", "checkbox", "displaytext"
> >>                 Return GetWebControl(NodeToRender)
> >>
> >>             Case "customaddresses"
> >>                 Return GetUserControl(NodeToRender)
> >>
> >>         End Select
> >>     End Function
> >>
> >>     Private Function GetUserControl(ByVal NodeToRender As XmlNode) As
> >> Web.UI.UserControl
> >>         Dim uControl As New CustomAddresses
> >>
> >> uControl.PopulateAddressBoxes(NodeToRender.Attributes("value").Value.Trim)
> >>         Return uControl
> >>     End Function
> >>
> >> Here is the code and HTML for the UserControl (called CustomAddresses):
> >>
> >> Public Class CustomAddresses
> >>     Inherits System.Web.UI.UserControl
> >>
> >>     Public Sub New()
> >>         Addr1 = New TextBox
> >>         Addr2 = New TextBox
> >>         Addr3 = New TextBox
> >>         Addr4 = New TextBox
> >>     End Sub
> >>
> >>     Public Sub PopulateAddressBoxes(ByVal str As String)
> >>         Dim SelectedValue() As String = str.Split(("/").ToCharArray())
> >>         Dim Name As String = SelectedValue(0).Trim
> >>         Dim Address() As String =
> >> SelectedValue(1).Split((",").ToCharArray())
> >>         Dim Addr1 As String = Address(0).Trim
> >>         Dim Addr2 As String = Address(1).Trim
> >>         Dim City As String = Address(Address.Length - 3).Trim
> >>         Dim StateProvCd As String = Address(Address.Length - 2).Trim
> >>         Dim PostalCode As String = Address(Address.Length - 1).Trim
> >>
> >>         Me.Addr1.Text = Name
> >>         Me.Addr2.Text = Addr1
> >>         If Not Addr2.Equals(City) Then
> >>             Me.Addr3.Text = Addr2
> >>             Me.Addr4.Text = City & " " & StateProvCd & ", " & PostalCode
> >>         Else
> >>             Me.Addr3.Text = City & " " & StateProvCd & ", " & PostalCode
> >>         End If
> >>     End Sub
> >> End Class
> >>
> >> <%@ Control Language="vb" AutoEventWireup="false"
> >> Codebehind="CustomAddresses.ascx.vb"
> >> Inherits="WBMI.Claims.CustomAddresses"
> >> TargetSchema="http://schemas.microsoft.com/intellisense/ie5"%>
> >> <TABLE class="interior" id="Table1" width="100%">
> >> <TR>
> >> <TD class="tabledata">
> >> <asp:TextBox id="Addr1" runat="server" Width="361px" ReadOnly="False"
> >> MaxLength="60"></asp:TextBox></TD>
> >> </TR>
> >> <TR>
> >> <TD class="tabledata">
> >> <asp:TextBox id="Addr2" runat="server" Width="361px" ReadOnly="False"
> >> MaxLength="60"></asp:TextBox></TD>
> >> </TR>
> >> <TR>
> >> <TD class="tabledata">
> >> <asp:TextBox id="Addr3" runat="server" Width="361px" ReadOnly="False"
> >> MaxLength="60"></asp:TextBox></TD>
> >> </TR>
> >> <TR>
> >> <TD class="tabledata">
> >> <asp:TextBox id="Addr4" runat="server" Width="361px" ReadOnly="False"
> >> MaxLength="60"></asp:TextBox></TD>
> >> </TR>
> >> </TABLE>
> >>
> >> Here's a sample of the webform code that calls these:
> >>
> >> If TypeOf SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode))
> >> Is
> >> WebControl Then
> >>    ControlToRender =
> >> CType(SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)),
> >> WebControl)
> >>
> >>  ElseIf TypeOf
> >> SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)) Is
> >> UserControl Then
> >>    ControlToRender =
> >> CType(SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)),
> >> UserControl)
> >>
> >> End If
> >> NewCell.Controls.Add(ControlToRender)
> >>
> >> What this boils down to is that I want to create and utilize a
> >> ControlServer
> >> class to encapsulate the details about how a control is created and
> >> returned.
> >>
> >> Can this be done?
> >>
> >> TIA,
> >> --
> >> Joe
> >>
> >> VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
>
>
>

"Joe" <joeherro@donotspam.yahoo.com> wrote in message
news:1412A66C-FDE3-491E-8426-7F2379461567@microsoft.com...
> Hi Peter,
>
> We are using an xml document to "drive" the creation of web pages.  The
> document defines what controls to include on a webform and where where the
> controls will appear.
>
> I have alot of lead-way in defining how the document will be structured
> and
> used.
>
> My idea was to have a class to encapsulate the generation of the required
> control (be it a WebControl or a UserControl) and returns it to the
> webform.
> In this app, a UserControl is just a grouping of WebControls.  For
> example,
> one UserControl (CustomAddresses) is four textbox server controls grouped
> together for name, address1, address2 and city-state-zip.  This will be
> used
> on the page when it will display a person's addresses.
>
> Does this help you understand hat I am really trying to do?
> --
> Joe
>
> VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
>
>
> "Peter Rilling" wrote:
>
>> Can you clarify more why you don't want to call LoadControl to load the
>> control.  The reason LoadControl exists is so that ASP.NET has the
>> ability
>> to prepare the object has it expects such as loading the ASCX and
>> creating
>> an object model.  If you create one with a constructor, then you prevent
>> the
>> engine from doing what it was suppose to.
>>
>> All controls have the Render method, but you should not override that in
>> a
>> usercontrol.  There are such things as custom web controls which inherit
>> from WebControl which you can then  override the Render method.
>>
>> All the HtmlTextWriter does is allow you to output the HTML.  A textbox
>> is
>> nothing more than <input type="text" value="something"/>.
>>
>>
>> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
>> news:0FF81938-2689-42C0-886B-1B0FE9D97972@microsoft.com...
>> >I figured out that I have to override the Render method in the
>> >UserControl.
>> >
>> > I do not really understand the HtmlTextWriter.  How do I write
>> > populated
>> > TextBox controls to the webform?
>> >
>> > Thank you for any available help.
>> > --
>> > Joe
>> >
>> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
>> >
>> >
>> > "Joe" wrote:
>> >
>> >> Hello All:
>> >>
>> >> Do I have to use the LoadControl method of the Page to load a
>> >> UserControl?
>> >>
>> >> I have a class which contains three methods (one public and two
>> >> private).
>> >> The class acts as a control server.  It "serves" back the required
>> >> control
>> >> (either WebControl or UserControl) based on the contents of an xml
>> >> file.
>> >> The
>> >> code in the webform places each control in a TableCell.
>> >>
>> >> My problem is that the control server works as far as returning the
>> >> correct
>> >> control; but when I view the webform, the UserControl is nowhere to be
>> >> found.
>> >>  It's not on the page and not in the View Source.
>> >>
>> >> Here is the server code (I'm not posting GetWebControl here):
>> >>
>> >>     Public Function GetControl(ByVal NodeToRender As XmlNode) As
>> >> Web.UI.Control
>> >>         Dim ValueToMatch As String
>> >>         If NodeToRender.Name.Equals("DisplayText") Then
>> >>             ValueToMatch = NodeToRender.Name.ToLower
>> >>         Else
>> >>             ValueToMatch =
>> >> NodeToRender.Attributes("type").Value.ToLower
>> >>         End If
>> >>         Select Case ValueToMatch.ToLower
>> >>             Case "label", "textbox", "checkbox", "displaytext"
>> >>                 Return GetWebControl(NodeToRender)
>> >>
>> >>             Case "customaddresses"
>> >>                 Return GetUserControl(NodeToRender)
>> >>
>> >>         End Select
>> >>     End Function
>> >>
>> >>     Private Function GetUserControl(ByVal NodeToRender As XmlNode) As
>> >> Web.UI.UserControl
>> >>         Dim uControl As New CustomAddresses
>> >>
>> >> uControl.PopulateAddressBoxes(NodeToRender.Attributes("value").Value.Trim)
>> >>         Return uControl
>> >>     End Function
>> >>
>> >> Here is the code and HTML for the UserControl (called
>> >> CustomAddresses):
>> >>
>> >> Public Class CustomAddresses
>> >>     Inherits System.Web.UI.UserControl
>> >>
>> >>     Public Sub New()
>> >>         Addr1 = New TextBox
>> >>         Addr2 = New TextBox
>> >>         Addr3 = New TextBox
>> >>         Addr4 = New TextBox
>> >>     End Sub
>> >>
>> >>     Public Sub PopulateAddressBoxes(ByVal str As String)
>> >>         Dim SelectedValue() As String = str.Split(("/").ToCharArray())
>> >>         Dim Name As String = SelectedValue(0).Trim
>> >>         Dim Address() As String =
>> >> SelectedValue(1).Split((",").ToCharArray())
>> >>         Dim Addr1 As String = Address(0).Trim
>> >>         Dim Addr2 As String = Address(1).Trim
>> >>         Dim City As String = Address(Address.Length - 3).Trim
>> >>         Dim StateProvCd As String = Address(Address.Length - 2).Trim
>> >>         Dim PostalCode As String = Address(Address.Length - 1).Trim
>> >>
>> >>         Me.Addr1.Text = Name
>> >>         Me.Addr2.Text = Addr1
>> >>         If Not Addr2.Equals(City) Then
>> >>             Me.Addr3.Text = Addr2
>> >>             Me.Addr4.Text = City & " " & StateProvCd & ", " &
>> >> PostalCode
>> >>         Else
>> >>             Me.Addr3.Text = City & " " & StateProvCd & ", " &
>> >> PostalCode
>> >>         End If
>> >>     End Sub
>> >> End Class
>> >>
>> >> <%@ Control Language="vb" AutoEventWireup="false"
>> >> Codebehind="CustomAddresses.ascx.vb"
>> >> Inherits="WBMI.Claims.CustomAddresses"
>> >> TargetSchema="http://schemas.microsoft.com/intellisense/ie5"%>
>> >> <TABLE class="interior" id="Table1" width="100%">
>> >> <TR>
>> >> <TD class="tabledata">
>> >> <asp:TextBox id="Addr1" runat="server" Width="361px" ReadOnly="False"
>> >> MaxLength="60"></asp:TextBox></TD>
>> >> </TR>
>> >> <TR>
>> >> <TD class="tabledata">
>> >> <asp:TextBox id="Addr2" runat="server" Width="361px" ReadOnly="False"
>> >> MaxLength="60"></asp:TextBox></TD>
>> >> </TR>
>> >> <TR>
>> >> <TD class="tabledata">
>> >> <asp:TextBox id="Addr3" runat="server" Width="361px" ReadOnly="False"
>> >> MaxLength="60"></asp:TextBox></TD>
>> >> </TR>
>> >> <TR>
>> >> <TD class="tabledata">
>> >> <asp:TextBox id="Addr4" runat="server" Width="361px" ReadOnly="False"
>> >> MaxLength="60"></asp:TextBox></TD>
>> >> </TR>
>> >> </TABLE>
>> >>
>> >> Here's a sample of the webform code that calls these:
>> >>
>> >> If TypeOf
>> >> SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode))
>> >> Is
>> >> WebControl Then
>> >>    ControlToRender =
>> >> CType(SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)),
>> >> WebControl)
>> >>
>> >>  ElseIf TypeOf
>> >> SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)) Is
>> >> UserControl Then
>> >>    ControlToRender =
>> >> CType(SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)),
>> >> UserControl)
>> >>
>> >> End If
>> >> NewCell.Controls.Add(ControlToRender)
>> >>
>> >> What this boils down to is that I want to create and utilize a
>> >> ControlServer
>> >> class to encapsulate the details about how a control is created and
>> >> returned.
>> >>
>> >> Can this be done?
>> >>
>> >> TIA,
>> >> --
>> >> Joe
>> >>
>> >> VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
>>
>>
>>

"Marina" wrote:

> I don't think this explains why you are against using LoadControl.
>
> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
> news:1412A66C-FDE3-491E-8426-7F2379461567@microsoft.com...
> > Hi Peter,
> >
> > We are using an xml document to "drive" the creation of web pages.  The
> > document defines what controls to include on a webform and where where the
> > controls will appear.
> >
> > I have alot of lead-way in defining how the document will be structured
> > and
> > used.
> >
> > My idea was to have a class to encapsulate the generation of the required
> > control (be it a WebControl or a UserControl) and returns it to the
> > webform.
> > In this app, a UserControl is just a grouping of WebControls.  For
> > example,
> > one UserControl (CustomAddresses) is four textbox server controls grouped
> > together for name, address1, address2 and city-state-zip.  This will be
> > used
> > on the page when it will display a person's addresses.
> >
> > Does this help you understand hat I am really trying to do?
> > --
> > Joe
> >
> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
> >
> >
> > "Peter Rilling" wrote:
> >
> >> Can you clarify more why you don't want to call LoadControl to load the
> >> control.  The reason LoadControl exists is so that ASP.NET has the
> >> ability
> >> to prepare the object has it expects such as loading the ASCX and
> >> creating
> >> an object model.  If you create one with a constructor, then you prevent
> >> the
> >> engine from doing what it was suppose to.
> >>
> >> All controls have the Render method, but you should not override that in
> >> a
> >> usercontrol.  There are such things as custom web controls which inherit
> >> from WebControl which you can then  override the Render method.
> >>
> >> All the HtmlTextWriter does is allow you to output the HTML.  A textbox
> >> is
> >> nothing more than <input type="text" value="something"/>.
> >>
> >>
> >> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
> >> news:0FF81938-2689-42C0-886B-1B0FE9D97972@microsoft.com...
> >> >I figured out that I have to override the Render method in the
> >> >UserControl.
> >> >
> >> > I do not really understand the HtmlTextWriter.  How do I write
> >> > populated
> >> > TextBox controls to the webform?
> >> >
> >> > Thank you for any available help.
> >> > --
> >> > Joe
> >> >
> >> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
> >> >
> >> >
> >> > "Joe" wrote:
> >> >
> >> >> Hello All:
> >> >>
> >> >> Do I have to use the LoadControl method of the Page to load a
> >> >> UserControl?
> >> >>
> >> >> I have a class which contains three methods (one public and two
> >> >> private).
> >> >> The class acts as a control server.  It "serves" back the required
> >> >> control
> >> >> (either WebControl or UserControl) based on the contents of an xml
> >> >> file.
> >> >> The
> >> >> code in the webform places each control in a TableCell.
> >> >>
> >> >> My problem is that the control server works as far as returning the
> >> >> correct
> >> >> control; but when I view the webform, the UserControl is nowhere to be
> >> >> found.
> >> >>  It's not on the page and not in the View Source.
> >> >>
> >> >> Here is the server code (I'm not posting GetWebControl here):
> >> >>
> >> >>     Public Function GetControl(ByVal NodeToRender As XmlNode) As
> >> >> Web.UI.Control
> >> >>         Dim ValueToMatch As String
> >> >>         If NodeToRender.Name.Equals("DisplayText") Then
> >> >>             ValueToMatch = NodeToRender.Name.ToLower
> >> >>         Else
> >> >>             ValueToMatch =
> >> >> NodeToRender.Attributes("type").Value.ToLower
> >> >>         End If
> >> >>         Select Case ValueToMatch.ToLower
> >> >>             Case "label", "textbox", "checkbox", "displaytext"
> >> >>                 Return GetWebControl(NodeToRender)
> >> >>
> >> >>             Case "customaddresses"
> >> >>                 Return GetUserControl(NodeToRender)
> >> >>
> >> >>         End Select
> >> >>     End Function
> >> >>
> >> >>     Private Function GetUserControl(ByVal NodeToRender As XmlNode) As
> >> >> Web.UI.UserControl
> >> >>         Dim uControl As New CustomAddresses
> >> >>
> >> >> uControl.PopulateAddressBoxes(NodeToRender.Attributes("value").Value.Trim)
> >> >>         Return uControl
> >> >>     End Function
> >> >>
> >> >> Here is the code and HTML for the UserControl (called
> >> >> CustomAddresses):
> >> >>
> >> >> Public Class CustomAddresses
> >> >>     Inherits System.Web.UI.UserControl
> >> >>
> >> >>     Public Sub New()
> >> >>         Addr1 = New TextBox
> >> >>         Addr2 = New TextBox
> >> >>         Addr3 = New TextBox
> >> >>         Addr4 = New TextBox
> >> >>     End Sub
> >> >>
> >> >>     Public Sub PopulateAddressBoxes(ByVal str As String)
> >> >>         Dim SelectedValue() As String = str.Split(("/").ToCharArray())
> >> >>         Dim Name As String = SelectedValue(0).Trim
> >> >>         Dim Address() As String =
> >> >> SelectedValue(1).Split((",").ToCharArray())
> >> >>         Dim Addr1 As String = Address(0).Trim
> >> >>         Dim Addr2 As String = Address(1).Trim
> >> >>         Dim City As String = Address(Address.Length - 3).Trim
> >> >>         Dim StateProvCd As String = Address(Address.Length - 2).Trim
> >> >>         Dim PostalCode As String = Address(Address.Length - 1).Trim
> >> >>
> >> >>         Me.Addr1.Text = Name
> >> >>         Me.Addr2.Text = Addr1
> >> >>         If Not Addr2.Equals(City) Then
> >> >>             Me.Addr3.Text = Addr2
> >> >>             Me.Addr4.Text = City & " " & StateProvCd & ", " &
> >> >> PostalCode
> >> >>         Else
> >> >>             Me.Addr3.Text = City & " " & StateProvCd & ", " &
> >> >> PostalCode
> >> >>         End If
> >> >>     End Sub
> >> >> End Class
> >> >>
> >> >> <%@ Control Language="vb" AutoEventWireup="false"
> >> >> Codebehind="CustomAddresses.ascx.vb"
> >> >> Inherits="WBMI.Claims.CustomAddresses"
> >> >> TargetSchema="http://schemas.microsoft.com/intellisense/ie5"%>
> >> >> <TABLE class="interior" id="Table1" width="100%">
> >> >> <TR>
> >> >> <TD class="tabledata">
> >> >> <asp:TextBox id="Addr1" runat="server" Width="361px" ReadOnly="False"
> >> >> MaxLength="60"></asp:TextBox></TD>
> >> >> </TR>
> >> >> <TR>
> >> >> <TD class="tabledata">
> >> >> <asp:TextBox id="Addr2" runat="server" Width="361px" ReadOnly="False"
> >> >> MaxLength="60"></asp:TextBox></TD>
> >> >> </TR>
> >> >> <TR>
> >> >> <TD class="tabledata">
> >> >> <asp:TextBox id="Addr3" runat="server" Width="361px" ReadOnly="False"
> >> >> MaxLength="60"></asp:TextBox></TD>
> >> >> </TR>
> >> >> <TR>
> >> >> <TD class="tabledata">
> >> >> <asp:TextBox id="Addr4" runat="server" Width="361px" ReadOnly="False"
> >> >> MaxLength="60"></asp:TextBox></TD>
> >> >> </TR>
> >> >> </TABLE>
> >> >>
> >> >> Here's a sample of the webform code that calls these:
> >> >>
> >> >> If TypeOf
> >> >> SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode))
> >> >> Is
> >> >> WebControl Then
> >> >>    ControlToRender =
> >> >> CType(SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)),
> >> >> WebControl)
> >> >>
> >> >>  ElseIf TypeOf
> >> >> SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)) Is
> >> >> UserControl Then
> >> >>    ControlToRender =
> >> >> CType(SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)),
> >> >> UserControl)
> >> >>
> >> >> End If
> >> >> NewCell.Controls.Add(ControlToRender)
> >> >>
> >> >> What this boils down to is that I want to create and utilize a
> >> >> ControlServer
> >> >> class to encapsulate the details about how a control is created and
> >> >> returned.
> >> >>
> >> >> Can this be done?
> >> >>
> >> >> TIA,
> >> >> --
> >> >> Joe
> >> >>
> >> >> VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
> >>
> >>
> >>
>
>
>

"Joe" <joeherro@donotspam.yahoo.com> wrote in message
news:A22FF11D-8E8C-4FF2-AE02-D96038721CCD@microsoft.com...
> Hi Marina,
>
> How would you use LoadControl from within the class that serves the
> WebControls/UserControls?  LoadControl must be called from a class that
> inherits from the emplateControl class (i.e. Page and UserControl).
>
> The whole point is to maximize flexibility by encapsulating the generation
> of these controls, so that a webform (or another class) can simply request
> the control that corresponds to an entry in the xml document.
>
> If you know of another way to do this, please let me know.  I would
> appreciate any direction that you could provide.
>
> Thanks,
> --
> Joe
>
> VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
>
>
> "Marina" wrote:
>
>> I don't think this explains why you are against using LoadControl.
>>
>> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
>> news:1412A66C-FDE3-491E-8426-7F2379461567@microsoft.com...
>> > Hi Peter,
>> >
>> > We are using an xml document to "drive" the creation of web pages.  The
>> > document defines what controls to include on a webform and where where
>> > the
>> > controls will appear.
>> >
>> > I have alot of lead-way in defining how the document will be structured
>> > and
>> > used.
>> >
>> > My idea was to have a class to encapsulate the generation of the
>> > required
>> > control (be it a WebControl or a UserControl) and returns it to the
>> > webform.
>> > In this app, a UserControl is just a grouping of WebControls.  For
>> > example,
>> > one UserControl (CustomAddresses) is four textbox server controls
>> > grouped
>> > together for name, address1, address2 and city-state-zip.  This will be
>> > used
>> > on the page when it will display a person's addresses.
>> >
>> > Does this help you understand hat I am really trying to do?
>> > --
>> > Joe
>> >
>> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
>> >
>> >
>> > "Peter Rilling" wrote:
>> >
>> >> Can you clarify more why you don't want to call LoadControl to load
>> >> the
>> >> control.  The reason LoadControl exists is so that ASP.NET has the
>> >> ability
>> >> to prepare the object has it expects such as loading the ASCX and
>> >> creating
>> >> an object model.  If you create one with a constructor, then you
>> >> prevent
>> >> the
>> >> engine from doing what it was suppose to.
>> >>
>> >> All controls have the Render method, but you should not override that
>> >> in
>> >> a
>> >> usercontrol.  There are such things as custom web controls which
>> >> inherit
>> >> from WebControl which you can then  override the Render method.
>> >>
>> >> All the HtmlTextWriter does is allow you to output the HTML.  A
>> >> textbox
>> >> is
>> >> nothing more than <input type="text" value="something"/>.
>> >>
>> >>
>> >> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
>> >> news:0FF81938-2689-42C0-886B-1B0FE9D97972@microsoft.com...
>> >> >I figured out that I have to override the Render method in the
>> >> >UserControl.
>> >> >
>> >> > I do not really understand the HtmlTextWriter.  How do I write
>> >> > populated
>> >> > TextBox controls to the webform?
>> >> >
>> >> > Thank you for any available help.
>> >> > --
>> >> > Joe
>> >> >
>> >> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
>> >> >
>> >> >
>> >> > "Joe" wrote:
>> >> >
>> >> >> Hello All:
>> >> >>
>> >> >> Do I have to use the LoadControl method of the Page to load a
>> >> >> UserControl?
>> >> >>
>> >> >> I have a class which contains three methods (one public and two
>> >> >> private).
>> >> >> The class acts as a control server.  It "serves" back the required
>> >> >> control
>> >> >> (either WebControl or UserControl) based on the contents of an xml
>> >> >> file.
>> >> >> The
>> >> >> code in the webform places each control in a TableCell.
>> >> >>
>> >> >> My problem is that the control server works as far as returning the
>> >> >> correct
>> >> >> control; but when I view the webform, the UserControl is nowhere to
>> >> >> be
>> >> >> found.
>> >> >>  It's not on the page and not in the View Source.
>> >> >>
>> >> >> Here is the server code (I'm not posting GetWebControl here):
>> >> >>
>> >> >>     Public Function GetControl(ByVal NodeToRender As XmlNode) As
>> >> >> Web.UI.Control
>> >> >>         Dim ValueToMatch As String
>> >> >>         If NodeToRender.Name.Equals("DisplayText") Then
>> >> >>             ValueToMatch = NodeToRender.Name.ToLower
>> >> >>         Else
>> >> >>             ValueToMatch =
>> >> >> NodeToRender.Attributes("type").Value.ToLower
>> >> >>         End If
>> >> >>         Select Case ValueToMatch.ToLower
>> >> >>             Case "label", "textbox", "checkbox", "displaytext"
>> >> >>                 Return GetWebControl(NodeToRender)
>> >> >>
>> >> >>             Case "customaddresses"
>> >> >>                 Return GetUserControl(NodeToRender)
>> >> >>
>> >> >>         End Select
>> >> >>     End Function
>> >> >>
>> >> >>     Private Function GetUserControl(ByVal NodeToRender As XmlNode)
>> >> >> As
>> >> >> Web.UI.UserControl
>> >> >>         Dim uControl As New CustomAddresses
>> >> >>
>> >> >> uControl.PopulateAddressBoxes(NodeToRender.Attributes("value").Value.Trim)
>> >> >>         Return uControl
>> >> >>     End Function
>> >> >>
>> >> >> Here is the code and HTML for the UserControl (called
>> >> >> CustomAddresses):
>> >> >>
>> >> >> Public Class CustomAddresses
>> >> >>     Inherits System.Web.UI.UserControl
>> >> >>
>> >> >>     Public Sub New()
>> >> >>         Addr1 = New TextBox
>> >> >>         Addr2 = New TextBox
>> >> >>         Addr3 = New TextBox
>> >> >>         Addr4 = New TextBox
>> >> >>     End Sub
>> >> >>
>> >> >>     Public Sub PopulateAddressBoxes(ByVal str As String)
>> >> >>         Dim SelectedValue() As String =
>> >> >> str.Split(("/").ToCharArray())
>> >> >>         Dim Name As String = SelectedValue(0).Trim
>> >> >>         Dim Address() As String =
>> >> >> SelectedValue(1).Split((",").ToCharArray())
>> >> >>         Dim Addr1 As String = Address(0).Trim
>> >> >>         Dim Addr2 As String = Address(1).Trim
>> >> >>         Dim City As String = Address(Address.Length - 3).Trim
>> >> >>         Dim StateProvCd As String = Address(Address.Length -
>> >> >> 2).Trim
>> >> >>         Dim PostalCode As String = Address(Address.Length - 1).Trim
>> >> >>
>> >> >>         Me.Addr1.Text = Name
>> >> >>         Me.Addr2.Text = Addr1
>> >> >>         If Not Addr2.Equals(City) Then
>> >> >>             Me.Addr3.Text = Addr2
>> >> >>             Me.Addr4.Text = City & " " & StateProvCd & ", " &
>> >> >> PostalCode
>> >> >>         Else
>> >> >>             Me.Addr3.Text = City & " " & StateProvCd & ", " &
>> >> >> PostalCode
>> >> >>         End If
>> >> >>     End Sub
>> >> >> End Class
>> >> >>
>> >> >> <%@ Control Language="vb" AutoEventWireup="false"
>> >> >> Codebehind="CustomAddresses.ascx.vb"
>> >> >> Inherits="WBMI.Claims.CustomAddresses"
>> >> >> TargetSchema="http://schemas.microsoft.com/intellisense/ie5"%>
>> >> >> <TABLE class="interior" id="Table1" width="100%">
>> >> >> <TR>
>> >> >> <TD class="tabledata">
>> >> >> <asp:TextBox id="Addr1" runat="server" Width="361px"
>> >> >> ReadOnly="False"
>> >> >> MaxLength="60"></asp:TextBox></TD>
>> >> >> </TR>
>> >> >> <TR>
>> >> >> <TD class="tabledata">
>> >> >> <asp:TextBox id="Addr2" runat="server" Width="361px"
>> >> >> ReadOnly="False"
>> >> >> MaxLength="60"></asp:TextBox></TD>
>> >> >> </TR>
>> >> >> <TR>
>> >> >> <TD class="tabledata">
>> >> >> <asp:TextBox id="Addr3" runat="server" Width="361px"
>> >> >> ReadOnly="False"
>> >> >> MaxLength="60"></asp:TextBox></TD>
>> >> >> </TR>
>> >> >> <TR>
>> >> >> <TD class="tabledata">
>> >> >> <asp:TextBox id="Addr4" runat="server" Width="361px"
>> >> >> ReadOnly="False"
>> >> >> MaxLength="60"></asp:TextBox></TD>
>> >> >> </TR>
>> >> >> </TABLE>
>> >> >>
>> >> >> Here's a sample of the webform code that calls these:
>> >> >>
>> >> >> If TypeOf
>> >> >> SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode))
>> >> >> Is
>> >> >> WebControl Then
>> >> >>    ControlToRender =
>> >> >> CType(SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)),
>> >> >> WebControl)
>> >> >>
>> >> >>  ElseIf TypeOf
>> >> >> SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)) Is
>> >> >> UserControl Then
>> >> >>    ControlToRender =
>> >> >> CType(SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)),
>> >> >> UserControl)
>> >> >>
>> >> >> End If
>> >> >> NewCell.Controls.Add(ControlToRender)
>> >> >>
>> >> >> What this boils down to is that I want to create and utilize a
>> >> >> ControlServer
>> >> >> class to encapsulate the details about how a control is created and
>> >> >> returned.
>> >> >>
>> >> >> Can this be done?
>> >> >>
>> >> >> TIA,
>> >> >> --
>> >> >> Joe
>> >> >>
>> >> >> VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
>> >>
>> >>
>> >>
>>
>>
>>

"Marina" wrote:

> If this is a usercontrol, nothing but another usercontrol or page can
> possible do anything with it. It is a visual asp.net user control - windows
> forms, etc. are not going to be able to do anything with it. Only the
> ASP.NET engine can process it - which is why LoadControl was created, to do
> just that. Because a constructor cannot do anything to help with rendering
> it and instantiating it, and looking at the .ascx, etc etc.
>
> So, even if you did manage to encapsulate it, only a page or usercontrol
> would be able to use it anyway - so why bother?
>
> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
> news:A22FF11D-8E8C-4FF2-AE02-D96038721CCD@microsoft.com...
> > Hi Marina,
> >
> > How would you use LoadControl from within the class that serves the
> > WebControls/UserControls?  LoadControl must be called from a class that
> > inherits from the emplateControl class (i.e. Page and UserControl).
> >
> > The whole point is to maximize flexibility by encapsulating the generation
> > of these controls, so that a webform (or another class) can simply request
> > the control that corresponds to an entry in the xml document.
> >
> > If you know of another way to do this, please let me know.  I would
> > appreciate any direction that you could provide.
> >
> > Thanks,
> > --
> > Joe
> >
> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
> >
> >
> > "Marina" wrote:
> >
> >> I don't think this explains why you are against using LoadControl.
> >>
> >> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
> >> news:1412A66C-FDE3-491E-8426-7F2379461567@microsoft.com...
> >> > Hi Peter,
> >> >
> >> > We are using an xml document to "drive" the creation of web pages.  The
> >> > document defines what controls to include on a webform and where where
> >> > the
> >> > controls will appear.
> >> >
> >> > I have alot of lead-way in defining how the document will be structured
> >> > and
> >> > used.
> >> >
> >> > My idea was to have a class to encapsulate the generation of the
> >> > required
> >> > control (be it a WebControl or a UserControl) and returns it to the
> >> > webform.
> >> > In this app, a UserControl is just a grouping of WebControls.  For
> >> > example,
> >> > one UserControl (CustomAddresses) is four textbox server controls
> >> > grouped
> >> > together for name, address1, address2 and city-state-zip.  This will be
> >> > used
> >> > on the page when it will display a person's addresses.
> >> >
> >> > Does this help you understand hat I am really trying to do?
> >> > --
> >> > Joe
> >> >
> >> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
> >> >
> >> >
> >> > "Peter Rilling" wrote:
> >> >
> >> >> Can you clarify more why you don't want to call LoadControl to load
> >> >> the
> >> >> control.  The reason LoadControl exists is so that ASP.NET has the
> >> >> ability
> >> >> to prepare the object has it expects such as loading the ASCX and
> >> >> creating
> >> >> an object model.  If you create one with a constructor, then you
> >> >> prevent
> >> >> the
> >> >> engine from doing what it was suppose to.
> >> >>
> >> >> All controls have the Render method, but you should not override that
> >> >> in
> >> >> a
> >> >> usercontrol.  There are such things as custom web controls which
> >> >> inherit
> >> >> from WebControl which you can then  override the Render method.
> >> >>
> >> >> All the HtmlTextWriter does is allow you to output the HTML.  A
> >> >> textbox
> >> >> is
> >> >> nothing more than <input type="text" value="something"/>.
> >> >>
> >> >>
> >> >> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
> >> >> news:0FF81938-2689-42C0-886B-1B0FE9D97972@microsoft.com...
> >> >> >I figured out that I have to override the Render method in the
> >> >> >UserControl.
> >> >> >
> >> >> > I do not really understand the HtmlTextWriter.  How do I write
> >> >> > populated
> >> >> > TextBox controls to the webform?
> >> >> >
> >> >> > Thank you for any available help.
> >> >> > --
> >> >> > Joe
> >> >> >
> >> >> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
> >> >> >
> >> >> >
> >> >> > "Joe" wrote:
> >> >> >
> >> >> >> Hello All:
> >> >> >>
> >> >> >> Do I have to use the LoadControl method of the Page to load a
> >> >> >> UserControl?
> >> >> >>
> >> >> >> I have a class which contains three methods (one public and two
> >> >> >> private).
> >> >> >> The class acts as a control server.  It "serves" back the required
> >> >> >> control
> >> >> >> (either WebControl or UserControl) based on the contents of an xml
> >> >> >> file.
> >> >> >> The
> >> >> >> code in the webform places each control in a TableCell.
> >> >> >>
> >> >> >> My problem is that the control server works as far as returning the
> >> >> >> correct
> >> >> >> control; but when I view the webform, the UserControl is nowhere to
> >> >> >> be
> >> >> >> found.
> >> >> >>  It's not on the page and not in the View Source.
> >> >> >>
> >> >> >> Here is the server code (I'm not posting GetWebControl here):
> >> >> >>
> >> >> >>     Public Function GetControl(ByVal NodeToRender As XmlNode) As
> >> >> >> Web.UI.Control
> >> >> >>         Dim ValueToMatch As String
> >> >> >>         If NodeToRender.Name.Equals("DisplayText") Then
> >> >> >>             ValueToMatch = NodeToRender.Name.ToLower
> >> >> >>         Else
> >> >> >>             ValueToMatch =
> >> >> >> NodeToRender.Attributes("type").Value.ToLower
> >> >> >>         End If
> >> >> >>         Select Case ValueToMatch.ToLower
> >> >> >>             Case "label", "textbox", "checkbox", "displaytext"
> >> >> >>                 Return GetWebControl(NodeToRender)
> >> >> >>
> >> >> >>             Case "customaddresses"
> >> >> >>                 Return GetUserControl(NodeToRender)
> >> >> >>
> >> >> >>         End Select
> >> >> >>     End Function
> >> >> >>
> >> >> >>     Private Function GetUserControl(ByVal NodeToRender As XmlNode)
> >> >> >> As
> >> >> >> Web.UI.UserControl
> >> >> >>         Dim uControl As New CustomAddresses
> >> >> >>
> >> >> >> uControl.PopulateAddressBoxes(NodeToRender.Attributes("value").Value.Trim)
> >> >> >>         Return uControl
> >> >> >>     End Function
> >> >> >>
> >> >> >> Here is the code and HTML for the UserControl (called
> >> >> >> CustomAddresses):
> >> >> >>
> >> >> >> Public Class CustomAddresses
> >> >> >>     Inherits System.Web.UI.UserControl
> >> >> >>
> >> >> >>     Public Sub New()
> >> >> >>         Addr1 = New TextBox
> >> >> >>         Addr2 = New TextBox
> >> >> >>         Addr3 = New TextBox
> >> >> >>         Addr4 = New TextBox
> >> >> >>     End Sub
> >> >> >>
> >> >> >>     Public Sub PopulateAddressBoxes(ByVal str As String)
> >> >> >>         Dim SelectedValue() As String =
> >> >> >> str.Split(("/").ToCharArray())
> >> >> >>         Dim Name As String = SelectedValue(0).Trim
> >> >> >>         Dim Address() As String =
> >> >> >> SelectedValue(1).Split((",").ToCharArray())
> >> >> >>         Dim Addr1 As String = Address(0).Trim
> >> >> >>         Dim Addr2 As String = Address(1).Trim
> >> >> >>         Dim City As String = Address(Address.Length - 3).Trim
> >> >> >>         Dim StateProvCd As String = Address(Address.Length -
> >> >> >> 2).Trim
> >> >> >>         Dim PostalCode As String = Address(Address.Length - 1).Trim
> >> >> >>
> >> >> >>         Me.Addr1.Text = Name
> >> >> >>         Me.Addr2.Text = Addr1
> >> >> >>         If Not Addr2.Equals(City) Then
> >> >> >>             Me.Addr3.Text = Addr2
> >> >> >>             Me.Addr4.Text = City & " " & StateProvCd & ", " &
> >> >> >> PostalCode
> >> >> >>         Else
> >> >> >>             Me.Addr3.Text = City & " " & StateProvCd & ", " &
> >> >> >> PostalCode
> >> >> >>         End If
> >> >> >>     End Sub
> >> >> >> End Class
> >> >> >>
> >> >> >> <%@ Control Language="vb" AutoEventWireup="false"
> >> >> >> Codebehind="CustomAddresses.ascx.vb"
> >> >> >> Inherits="WBMI.Claims.CustomAddresses"
> >> >> >> TargetSchema="http://schemas.microsoft.com/intellisense/ie5"%>
> >> >> >> <TABLE class="interior" id="Table1" width="100%">
> >> >> >> <TR>
> >> >> >> <TD class="tabledata">
> >> >> >> <asp:TextBox id="Addr1" runat="server" Width="361px"
> >> >> >> ReadOnly="False"
> >> >> >> MaxLength="60"></asp:TextBox></TD>
> >> >> >> </TR>
> >> >> >> <TR>
> >> >> >> <TD class="tabledata">
> >> >> >> <asp:TextBox id="Addr2" runat="server" Width="361px"
> >> >> >> ReadOnly="False"
> >> >> >> MaxLength="60"></asp:TextBox></TD>
> >> >> >> </TR>
> >> >> >> <TR>
> >> >> >> <TD class="tabledata">
> >> >> >> <asp:TextBox id="Addr3" runat="server" Width="361px"
> >> >> >> ReadOnly="False"
> >> >> >> MaxLength="60"></asp:TextBox></TD>
> >> >> >> </TR>
> >> >> >> <TR>
> >> >> >> <TD class="tabledata">
> >> >> >> <asp:TextBox id="Addr4" runat="server" Width="361px"
> >> >> >> ReadOnly="False"
> >> >> >> MaxLength="60"></asp:TextBox></TD>
> >> >> >> </TR>
> >> >> >> </TABLE>
> >> >> >>
> >> >> >> Here's a sample of the webform code that calls these:
> >> >> >>
> >> >> >> If TypeOf
> >> >> >> SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode))
> >> >> >> Is
> >> >> >> WebControl Then
> >> >> >>    ControlToRender =
> >> >> >> CType(SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)),
> >> >> >> WebControl)
> >> >> >>
> >> >> >>  ElseIf TypeOf
> >> >> >> SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)) Is
> >> >> >> UserControl Then
> >> >> >>    ControlToRender =
> >> >> >> CType(SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)),
> >> >> >> UserControl)
> >> >> >>
> >> >> >> End If
> >> >> >> NewCell.Controls.Add(ControlToRender)
> >> >> >>
> >> >> >> What this boils down to is that I want to create and utilize a
> >> >> >> ControlServer
> >> >> >> class to encapsulate the details about how a control is created and
> >> >> >> returned.
> >> >> >>
> >> >> >> Can this be done?
> >> >> >>
> >> >> >> TIA,
> >> >> >> --
> >> >> >> Joe
> >> >> >>
> >> >> >> VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
> >> >>
> >> >>
> >> >>
> >>
> >>
> >>
>
>
>

"Joe" <joeherro@donotspam.yahoo.com> wrote in message
news:737D8DD8-7E5F-4B6F-B105-D6DA94808166@microsoft.com...
> Hi Marina,
>
> Only a Page is going to use it.
>
> The point is to encapsulate the process of creating it.  To have one class
> that accepts information (in this case, an XmlNode that has data that the
> class uses to return the appropriate control) and returns a control - be
> it a
> WebControl or a UserControl.  I've encapsulated the process of returning
> WebControls that are then placed in the appropriate places on the Page;
> now I
> want to encapsulate the process of returning UserControls.
>
> Why?  Because we want a central unit to handle this functionality.
>
> Any ideas?
> --
> Joe
>
> VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
>
>
> "Marina" wrote:
>
>> If this is a usercontrol, nothing but another usercontrol or page can
>> possible do anything with it. It is a visual asp.net user control -
>> windows
>> forms, etc. are not going to be able to do anything with it. Only the
>> ASP.NET engine can process it - which is why LoadControl was created, to
>> do
>> just that. Because a constructor cannot do anything to help with
>> rendering
>> it and instantiating it, and looking at the .ascx, etc etc.
>>
>> So, even if you did manage to encapsulate it, only a page or usercontrol
>> would be able to use it anyway - so why bother?
>>
>> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
>> news:A22FF11D-8E8C-4FF2-AE02-D96038721CCD@microsoft.com...
>> > Hi Marina,
>> >
>> > How would you use LoadControl from within the class that serves the
>> > WebControls/UserControls?  LoadControl must be called from a class that
>> > inherits from the emplateControl class (i.e. Page and UserControl).
>> >
>> > The whole point is to maximize flexibility by encapsulating the
>> > generation
>> > of these controls, so that a webform (or another class) can simply
>> > request
>> > the control that corresponds to an entry in the xml document.
>> >
>> > If you know of another way to do this, please let me know.  I would
>> > appreciate any direction that you could provide.
>> >
>> > Thanks,
>> > --
>> > Joe
>> >
>> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
>> >
>> >
>> > "Marina" wrote:
>> >
>> >> I don't think this explains why you are against using LoadControl.
>> >>
>> >> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
>> >> news:1412A66C-FDE3-491E-8426-7F2379461567@microsoft.com...
>> >> > Hi Peter,
>> >> >
>> >> > We are using an xml document to "drive" the creation of web pages.
>> >> > The
>> >> > document defines what controls to include on a webform and where
>> >> > where
>> >> > the
>> >> > controls will appear.
>> >> >
>> >> > I have alot of lead-way in defining how the document will be
>> >> > structured
>> >> > and
>> >> > used.
>> >> >
>> >> > My idea was to have a class to encapsulate the generation of the
>> >> > required
>> >> > control (be it a WebControl or a UserControl) and returns it to the
>> >> > webform.
>> >> > In this app, a UserControl is just a grouping of WebControls.  For
>> >> > example,
>> >> > one UserControl (CustomAddresses) is four textbox server controls
>> >> > grouped
>> >> > together for name, address1, address2 and city-state-zip.  This will
>> >> > be
>> >> > used
>> >> > on the page when it will display a person's addresses.
>> >> >
>> >> > Does this help you understand hat I am really trying to do?
>> >> > --
>> >> > Joe
>> >> >
>> >> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
>> >> >
>> >> >
>> >> > "Peter Rilling" wrote:
>> >> >
>> >> >> Can you clarify more why you don't want to call LoadControl to load
>> >> >> the
>> >> >> control.  The reason LoadControl exists is so that ASP.NET has the
>> >> >> ability
>> >> >> to prepare the object has it expects such as loading the ASCX and
>> >> >> creating
>> >> >> an object model.  If you create one with a constructor, then you
>> >> >> prevent
>> >> >> the
>> >> >> engine from doing what it was suppose to.
>> >> >>
>> >> >> All controls have the Render method, but you should not override
>> >> >> that
>> >> >> in
>> >> >> a
>> >> >> usercontrol.  There are such things as custom web controls which
>> >> >> inherit
>> >> >> from WebControl which you can then  override the Render method.
>> >> >>
>> >> >> All the HtmlTextWriter does is allow you to output the HTML.  A
>> >> >> textbox
>> >> >> is
>> >> >> nothing more than <input type="text" value="something"/>.
>> >> >>
>> >> >>
>> >> >> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
>> >> >> news:0FF81938-2689-42C0-886B-1B0FE9D97972@microsoft.com...
>> >> >> >I figured out that I have to override the Render method in the
>> >> >> >UserControl.
>> >> >> >
>> >> >> > I do not really understand the HtmlTextWriter.  How do I write
>> >> >> > populated
>> >> >> > TextBox controls to the webform?
>> >> >> >
>> >> >> > Thank you for any available help.
>> >> >> > --
>> >> >> > Joe
>> >> >> >
>> >> >> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA
>> >> >> > Automation
>> >> >> >
>> >> >> >
>> >> >> > "Joe" wrote:
>> >> >> >
>> >> >> >> Hello All:
>> >> >> >>
>> >> >> >> Do I have to use the LoadControl method of the Page to load a
>> >> >> >> UserControl?
>> >> >> >>
>> >> >> >> I have a class which contains three methods (one public and two
>> >> >> >> private).
>> >> >> >> The class acts as a control server.  It "serves" back the
>> >> >> >> required
>> >> >> >> control
>> >> >> >> (either WebControl or UserControl) based on the contents of an
>> >> >> >> xml
>> >> >> >> file.
>> >> >> >> The
>> >> >> >> code in the webform places each control in a TableCell.
>> >> >> >>
>> >> >> >> My problem is that the control server works as far as returning
>> >> >> >> the
>> >> >> >> correct
>> >> >> >> control; but when I view the webform, the UserControl is nowhere
>> >> >> >> to
>> >> >> >> be
>> >> >> >> found.
>> >> >> >>  It's not on the page and not in the View Source.
>> >> >> >>
>> >> >> >> Here is the server code (I'm not posting GetWebControl here):
>> >> >> >>
>> >> >> >>     Public Function GetControl(ByVal NodeToRender As XmlNode) As
>> >> >> >> Web.UI.Control
>> >> >> >>         Dim ValueToMatch As String
>> >> >> >>         If NodeToRender.Name.Equals("DisplayText") Then
>> >> >> >>             ValueToMatch = NodeToRender.Name.ToLower
>> >> >> >>         Else
>> >> >> >>             ValueToMatch =
>> >> >> >> NodeToRender.Attributes("type").Value.ToLower
>> >> >> >>         End If
>> >> >> >>         Select Case ValueToMatch.ToLower
>> >> >> >>             Case "label", "textbox", "checkbox", "displaytext"
>> >> >> >>                 Return GetWebControl(NodeToRender)
>> >> >> >>
>> >> >> >>             Case "customaddresses"
>> >> >> >>                 Return GetUserControl(NodeToRender)
>> >> >> >>
>> >> >> >>         End Select
>> >> >> >>     End Function
>> >> >> >>
>> >> >> >>     Private Function GetUserControl(ByVal NodeToRender As
>> >> >> >> XmlNode)
>> >> >> >> As
>> >> >> >> Web.UI.UserControl
>> >> >> >>         Dim uControl As New CustomAddresses
>> >> >> >>
>> >> >> >> uControl.PopulateAddressBoxes(NodeToRender.Attributes("value").Value.Trim)
>> >> >> >>         Return uControl
>> >> >> >>     End Function
>> >> >> >>
>> >> >> >> Here is the code and HTML for the UserControl (called
>> >> >> >> CustomAddresses):
>> >> >> >>
>> >> >> >> Public Class CustomAddresses
>> >> >> >>     Inherits System.Web.UI.UserControl
>> >> >> >>
>> >> >> >>     Public Sub New()
>> >> >> >>         Addr1 = New TextBox
>> >> >> >>         Addr2 = New TextBox
>> >> >> >>         Addr3 = New TextBox
>> >> >> >>         Addr4 = New TextBox
>> >> >> >>     End Sub
>> >> >> >>
>> >> >> >>     Public Sub PopulateAddressBoxes(ByVal str As String)
>> >> >> >>         Dim SelectedValue() As String =
>> >> >> >> str.Split(("/").ToCharArray())
>> >> >> >>         Dim Name As String = SelectedValue(0).Trim
>> >> >> >>         Dim Address() As String =
>> >> >> >> SelectedValue(1).Split((",").ToCharArray())
>> >> >> >>         Dim Addr1 As String = Address(0).Trim
>> >> >> >>         Dim Addr2 As String = Address(1).Trim
>> >> >> >>         Dim City As String = Address(Address.Length - 3).Trim
>> >> >> >>         Dim StateProvCd As String = Address(Address.Length -
>> >> >> >> 2).Trim
>> >> >> >>         Dim PostalCode As String = Address(Address.Length -
>> >> >> >> 1).Trim
>> >> >> >>
>> >> >> >>         Me.Addr1.Text = Name
>> >> >> >>         Me.Addr2.Text = Addr1
>> >> >> >>         If Not Addr2.Equals(City) Then
>> >> >> >>             Me.Addr3.Text = Addr2
>> >> >> >>             Me.Addr4.Text = City & " " & StateProvCd & ", " &
>> >> >> >> PostalCode
>> >> >> >>         Else
>> >> >> >>             Me.Addr3.Text = City & " " & StateProvCd & ", " &
>> >> >> >> PostalCode
>> >> >> >>         End If
>> >> >> >>     End Sub
>> >> >> >> End Class
>> >> >> >>
>> >> >> >> <%@ Control Language="vb" AutoEventWireup="false"
>> >> >> >> Codebehind="CustomAddresses.ascx.vb"
>> >> >> >> Inherits="WBMI.Claims.CustomAddresses"
>> >> >> >> TargetSchema="http://schemas.microsoft.com/intellisense/ie5"%>
>> >> >> >> <TABLE class="interior" id="Table1" width="100%">
>> >> >> >> <TR>
>> >> >> >> <TD class="tabledata">
>> >> >> >> <asp:TextBox id="Addr1" runat="server" Width="361px"
>> >> >> >> ReadOnly="False"
>> >> >> >> MaxLength="60"></asp:TextBox></TD>
>> >> >> >> </TR>
>> >> >> >> <TR>
>> >> >> >> <TD class="tabledata">
>> >> >> >> <asp:TextBox id="Addr2" runat="server" Width="361px"
>> >> >> >> ReadOnly="False"
>> >> >> >> MaxLength="60"></asp:TextBox></TD>
>> >> >> >> </TR>
>> >> >> >> <TR>
>> >> >> >> <TD class="tabledata">
>> >> >> >> <asp:TextBox id="Addr3" runat="server" Width="361px"
>> >> >> >> ReadOnly="False"
>> >> >> >> MaxLength="60"></asp:TextBox></TD>
>> >> >> >> </TR>
>> >> >> >> <TR>
>> >> >> >> <TD class="tabledata">
>> >> >> >> <asp:TextBox id="Addr4" runat="server" Width="361px"
>> >> >> >> ReadOnly="False"
>> >> >> >> MaxLength="60"></asp:TextBox></TD>
>> >> >> >> </TR>
>> >> >> >> </TABLE>
>> >> >> >>
>> >> >> >> Here's a sample of the webform code that calls these:
>> >> >> >>
>> >> >> >> If TypeOf
>> >> >> >> SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode))
>> >> >> >> Is
>> >> >> >> WebControl Then
>> >> >> >>    ControlToRender =
>> >> >> >> CType(SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)),
>> >> >> >> WebControl)
>> >> >> >>
>> >> >> >>  ElseIf TypeOf
>> >> >> >> SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode))
>> >> >> >> Is
>> >> >> >> UserControl Then
>> >> >> >>    ControlToRender =
>> >> >> >> CType(SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)),
>> >> >> >> UserControl)
>> >> >> >>
>> >> >> >> End If
>> >> >> >> NewCell.Controls.Add(ControlToRender)
>> >> >> >>
>> >> >> >> What this boils down to is that I want to create and utilize a
>> >> >> >> ControlServer
>> >> >> >> class to encapsulate the details about how a control is created
>> >> >> >> and
>> >> >> >> returned.
>> >> >> >>
>> >> >> >> Can this be done?
>> >> >> >>
>> >> >> >> TIA,
>> >> >> >> --
>> >> >> >> Joe
>> >> >> >>
>> >> >> >> VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA
>> >> >> >> Automation
>> >> >>
>> >> >>
>> >> >>
>> >>
>> >>
>> >>
>>
>>
>>

"Marina" wrote:

> That's fine. But why can't this unit use LoadControl? That is really the
> question.
>
> There are many way to accomplish this central place having access to
> whatever page wants the user control created, so it can use the page's
> LoadControl.
>
> I think you are getting stuck in trying to box everything up, and not really
> thinking about the functionality here.  Only a Page can host a user control.
> Only ASP.NET's engine can parse the .ascx, turn it into an object, use the
> class behind it to render it all. So, whatever black box is going to have
> this functionality, is going to need to have access to a Page on way or
> another. It could be through inheritance, it could be through passing the
> Page instance up, etc.
>
> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
> news:737D8DD8-7E5F-4B6F-B105-D6DA94808166@microsoft.com...
> > Hi Marina,
> >
> > Only a Page is going to use it.
> >
> > The point is to encapsulate the process of creating it.  To have one class
> > that accepts information (in this case, an XmlNode that has data that the
> > class uses to return the appropriate control) and returns a control - be
> > it a
> > WebControl or a UserControl.  I've encapsulated the process of returning
> > WebControls that are then placed in the appropriate places on the Page;
> > now I
> > want to encapsulate the process of returning UserControls.
> >
> > Why?  Because we want a central unit to handle this functionality.
> >
> > Any ideas?
> > --
> > Joe
> >
> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
> >
> >
> > "Marina" wrote:
> >
> >> If this is a usercontrol, nothing but another usercontrol or page can
> >> possible do anything with it. It is a visual asp.net user control -
> >> windows
> >> forms, etc. are not going to be able to do anything with it. Only the
> >> ASP.NET engine can process it - which is why LoadControl was created, to
> >> do
> >> just that. Because a constructor cannot do anything to help with
> >> rendering
> >> it and instantiating it, and looking at the .ascx, etc etc.
> >>
> >> So, even if you did manage to encapsulate it, only a page or usercontrol
> >> would be able to use it anyway - so why bother?
> >>
> >> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
> >> news:A22FF11D-8E8C-4FF2-AE02-D96038721CCD@microsoft.com...
> >> > Hi Marina,
> >> >
> >> > How would you use LoadControl from within the class that serves the
> >> > WebControls/UserControls?  LoadControl must be called from a class that
> >> > inherits from the emplateControl class (i.e. Page and UserControl).
> >> >
> >> > The whole point is to maximize flexibility by encapsulating the
> >> > generation
> >> > of these controls, so that a webform (or another class) can simply
> >> > request
> >> > the control that corresponds to an entry in the xml document.
> >> >
> >> > If you know of another way to do this, please let me know.  I would
> >> > appreciate any direction that you could provide.
> >> >
> >> > Thanks,
> >> > --
> >> > Joe
> >> >
> >> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
> >> >
> >> >
> >> > "Marina" wrote:
> >> >
> >> >> I don't think this explains why you are against using LoadControl.
> >> >>
> >> >> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
> >> >> news:1412A66C-FDE3-491E-8426-7F2379461567@microsoft.com...
> >> >> > Hi Peter,
> >> >> >
> >> >> > We are using an xml document to "drive" the creation of web pages.
> >> >> > The
> >> >> > document defines what controls to include on a webform and where
> >> >> > where
> >> >> > the
> >> >> > controls will appear.
> >> >> >
> >> >> > I have alot of lead-way in defining how the document will be
> >> >> > structured
> >> >> > and
> >> >> > used.
> >> >> >
> >> >> > My idea was to have a class to encapsulate the generation of the
> >> >> > required
> >> >> > control (be it a WebControl or a UserControl) and returns it to the
> >> >> > webform.
> >> >> > In this app, a UserControl is just a grouping of WebControls.  For
> >> >> > example,
> >> >> > one UserControl (CustomAddresses) is four textbox server controls
> >> >> > grouped
> >> >> > together for name, address1, address2 and city-state-zip.  This will
> >> >> > be
> >> >> > used
> >> >> > on the page when it will display a person's addresses.
> >> >> >
> >> >> > Does this help you understand hat I am really trying to do?
> >> >> > --
> >> >> > Joe
> >> >> >
> >> >> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
> >> >> >
> >> >> >
> >> >> > "Peter Rilling" wrote:
> >> >> >
> >> >> >> Can you clarify more why you don't want to call LoadControl to load
> >> >> >> the
> >> >> >> control.  The reason LoadControl exists is so that ASP.NET has the
> >> >> >> ability
> >> >> >> to prepare the object has it expects such as loading the ASCX and
> >> >> >> creating
> >> >> >> an object model.  If you create one with a constructor, then you
> >> >> >> prevent
> >> >> >> the
> >> >> >> engine from doing what it was suppose to.
> >> >> >>
> >> >> >> All controls have the Render method, but you should not override
> >> >> >> that
> >> >> >> in
> >> >> >> a
> >> >> >> usercontrol.  There are such things as custom web controls which
> >> >> >> inherit
> >> >> >> from WebControl which you can then  override the Render method.
> >> >> >>
> >> >> >> All the HtmlTextWriter does is allow you to output the HTML.  A
> >> >> >> textbox
> >> >> >> is
> >> >> >> nothing more than <input type="text" value="something"/>.
> >> >> >>
> >> >> >>
> >> >> >> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
> >> >> >> news:0FF81938-2689-42C0-886B-1B0FE9D97972@microsoft.com...
> >> >> >> >I figured out that I have to override the Render method in the
> >> >> >> >UserControl.
> >> >> >> >
> >> >> >> > I do not really understand the HtmlTextWriter.  How do I write
> >> >> >> > populated
> >> >> >> > TextBox controls to the webform?
> >> >> >> >
> >> >> >> > Thank you for any available help.
> >> >> >> > --
> >> >> >> > Joe
> >> >> >> >
> >> >> >> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA
> >> >> >> > Automation
> >> >> >> >
> >> >> >> >
> >> >> >> > "Joe" wrote:
> >> >> >> >
> >> >> >> >> Hello All:
> >> >> >> >>
> >> >> >> >> Do I have to use the LoadControl method of the Page to load a
> >> >> >> >> UserControl?
> >> >> >> >>
> >> >> >> >> I have a class which contains three methods (one public and two
> >> >> >> >> private).
> >> >> >> >> The class acts as a control server.  It "serves" back the
> >> >> >> >> required
> >> >> >> >> control
> >> >> >> >> (either WebControl or UserControl) based on the contents of an
> >> >> >> >> xml
> >> >> >> >> file.
> >> >> >> >> The
> >> >> >> >> code in the webform places each control in a TableCell.
> >> >> >> >>
> >> >> >> >> My problem is that the control server works as far as returning
> >> >> >> >> the
> >> >> >> >> correct
> >> >> >> >> control; but when I view the webform, the UserControl is nowhere
> >> >> >> >> to
> >> >> >> >> be
> >> >> >> >> found.
> >> >> >> >>  It's not on the page and not in the View Source.
> >> >> >> >>
> >> >> >> >> Here is the server code (I'm not posting GetWebControl here):
> >> >> >> >>
> >> >> >> >>     Public Function GetControl(ByVal NodeToRender As XmlNode) As
> >> >> >> >> Web.UI.Control
> >> >> >> >>         Dim ValueToMatch As String
> >> >> >> >>         If NodeToRender.Name.Equals("DisplayText") Then
> >> >> >> >>             ValueToMatch = NodeToRender.Name.ToLower
> >> >> >> >>         Else
> >> >> >> >>             ValueToMatch =
> >> >> >> >> NodeToRender.Attributes("type").Value.ToLower
> >> >> >> >>         End If
> >> >> >> >>         Select Case ValueToMatch.ToLower
> >> >> >> >>             Case "label", "textbox", "checkbox", "displaytext"
> >> >> >> >>                 Return GetWebControl(NodeToRender)
> >> >> >> >>
> >> >> >> >>             Case "customaddresses"
> >> >> >> >>                 Return GetUserControl(NodeToRender)
> >> >> >> >>
> >> >> >> >>         End Select
> >> >> >> >>     End Function
> >> >> >> >>
> >> >> >> >>     Private Function GetUserControl(ByVal NodeToRender As
> >> >> >> >> XmlNode)
> >> >> >> >> As
> >> >> >> >> Web.UI.UserControl
> >> >> >> >>         Dim uControl As New CustomAddresses
> >> >> >> >>
> >> >> >> >> uControl.PopulateAddressBoxes(NodeToRender.Attributes("value").Value.Trim)
> >> >> >> >>         Return uControl
> >> >> >> >>     End Function
> >> >> >> >>
> >> >> >> >> Here is the code and HTML for the UserControl (called
> >> >> >> >> CustomAddresses):
> >> >> >> >>
> >> >> >> >> Public Class CustomAddresses
> >> >> >> >>     Inherits System.Web.UI.UserControl
> >> >> >> >>
> >> >> >> >>     Public Sub New()
> >> >> >> >>         Addr1 = New TextBox
> >> >> >> >>         Addr2 = New TextBox
> >> >> >> >>         Addr3 = New TextBox
> >> >> >> >>         Addr4 = New TextBox
> >> >> >> >>     End Sub
> >> >> >> >>
> >> >> >> >>     Public Sub PopulateAddressBoxes(ByVal str As String)
> >> >> >> >>         Dim SelectedValue() As String =
> >> >> >> >> str.Split(("/").ToCharArray())
> >> >> >> >>         Dim Name As String = SelectedValue(0).Trim
> >> >> >> >>         Dim Address() As String =
> >> >> >> >> SelectedValue(1).Split((",").ToCharArray())
> >> >> >> >>         Dim Addr1 As String = Address(0).Trim
> >> >> >> >>         Dim Addr2 As String = Address(1).Trim
> >> >> >> >>         Dim City As String = Address(Address.Length - 3).Trim
> >> >> >> >>         Dim StateProvCd As String = Address(Address.Length -
> >> >> >> >> 2).Trim
> >> >> >> >>         Dim PostalCode As String = Address(Address.Length -
> >> >> >> >> 1).Trim
> >> >> >> >>
> >> >> >> >>         Me.Addr1.Text = Name
> >> >> >> >>         Me.Addr2.Text = Addr1
> >> >> >> >>         If Not Addr2.Equals(City) Then
> >> >> >> >>             Me.Addr3.Text = Addr2
> >> >> >> >>             Me.Addr4.Text = City & " " & StateProvCd & ", " &
> >> >> >> >> PostalCode
> >> >> >> >>         Else
> >> >> >> >>             Me.Addr3.Text = City & " " & StateProvCd & ", " &
> >> >> >> >> PostalCode
> >> >> >> >>         End If
> >> >> >> >>     End Sub
> >> >> >> >> End Class
> >> >> >> >>
> >> >> >> >> <%@ Control Language="vb" AutoEventWireup="false"
> >> >> >> >> Codebehind="CustomAddresses.ascx.vb"
> >> >> >> >> Inherits="WBMI.Claims.CustomAddresses"
> >> >> >> >> TargetSchema="http://schemas.microsoft.com/intellisense/ie5"%>
> >> >> >> >> <TABLE class="interior" id="Table1" width="100%">
> >> >> >> >> <TR>
> >> >> >> >> <TD class="tabledata">
> >> >> >> >> <asp:TextBox id="Addr1" runat="server" Width="361px"
> >> >> >> >> ReadOnly="False"
> >> >> >> >> MaxLength="60"></asp:TextBox></TD>
> >> >> >> >> </TR>
> >> >> >> >> <TR>
> >> >> >> >> <TD class="tabledata">
> >> >> >> >> <asp:TextBox id="Addr2" runat="server" Width="361px"
> >> >> >> >> ReadOnly="False"
> >> >> >> >> MaxLength="60"></asp:TextBox></TD>
> >> >> >> >> </TR>
> >> >> >> >> <TR>
> >> >> >> >> <TD class="tabledata">
> >> >> >> >> <asp:TextBox id="Addr3" runat="server" Width="361px"
> >> >> >> >> ReadOnly="False"
> >> >> >> >> MaxLength="60"></asp:TextBox></TD>
> >> >> >> >> </TR>
> >> >> >> >> <TR>
> >> >> >> >> <TD class="tabledata">
> >> >> >> >> <asp:TextBox id="Addr4" runat="server" Width="361px"
> >> >> >> >> ReadOnly="False"
> >> >> >> >> MaxLength="60"></asp:TextBox></TD>
> >> >> >> >> </TR>
> >> >> >> >> </TABLE>
> >> >> >> >>
> >> >> >> >> Here's a sample of the webform code that calls these:
> >> >> >> >>
> >> >> >> >> If TypeOf
> >> >> >> >> SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode))
> >> >> >> >> Is
> >> >> >> >> WebControl Then
> >> >> >> >>    ControlToRender =
> >> >> >> >> CType(SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)),
> >> >> >> >> WebControl)

"Joe" <joeherro@donotspam.yahoo.com> wrote in message
news:E0D9317C-C176-45D1-B4FD-F1044E370102@microsoft.com...
> It can use LoadControl; in fact, I want to use LoadControl because I don't
> want to bother overriding the Render method of the UserControl.  The
> problem
> is that I didn't have access to LoadControl from within my class (let's
> call
> it ControlServer).  So I instantiate and call ControlServer class from
> within
> the Page (I am doing this now).
>
> How would you pass a Page Instance up?  Like so?
>
> Dim sC as New ControlServer
> sC.SomeMethod(Me, another_data_value)
>
> --
> Joe
>
> VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
>
>
> "Marina" wrote:
>
>> That's fine. But why can't this unit use LoadControl? That is really the
>> question.
>>
>> There are many way to accomplish this central place having access to
>> whatever page wants the user control created, so it can use the page's
>> LoadControl.
>>
>> I think you are getting stuck in trying to box everything up, and not
>> really
>> thinking about the functionality here.  Only a Page can host a user
>> control.
>> Only ASP.NET's engine can parse the .ascx, turn it into an object, use
>> the
>> class behind it to render it all. So, whatever black box is going to have
>> this functionality, is going to need to have access to a Page on way or
>> another. It could be through inheritance, it could be through passing the
>> Page instance up, etc.
>>
>> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
>> news:737D8DD8-7E5F-4B6F-B105-D6DA94808166@microsoft.com...
>> > Hi Marina,
>> >
>> > Only a Page is going to use it.
>> >
>> > The point is to encapsulate the process of creating it.  To have one
>> > class
>> > that accepts information (in this case, an XmlNode that has data that
>> > the
>> > class uses to return the appropriate control) and returns a control -
>> > be
>> > it a
>> > WebControl or a UserControl.  I've encapsulated the process of
>> > returning
>> > WebControls that are then placed in the appropriate places on the Page;
>> > now I
>> > want to encapsulate the process of returning UserControls.
>> >
>> > Why?  Because we want a central unit to handle this functionality.
>> >
>> > Any ideas?
>> > --
>> > Joe
>> >
>> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
>> >
>> >
>> > "Marina" wrote:
>> >
>> >> If this is a usercontrol, nothing but another usercontrol or page can
>> >> possible do anything with it. It is a visual asp.net user control -
>> >> windows
>> >> forms, etc. are not going to be able to do anything with it. Only the
>> >> ASP.NET engine can process it - which is why LoadControl was created,
>> >> to
>> >> do
>> >> just that. Because a constructor cannot do anything to help with
>> >> rendering
>> >> it and instantiating it, and looking at the .ascx, etc etc.
>> >>
>> >> So, even if you did manage to encapsulate it, only a page or
>> >> usercontrol
>> >> would be able to use it anyway - so why bother?
>> >>
>> >> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
>> >> news:A22FF11D-8E8C-4FF2-AE02-D96038721CCD@microsoft.com...
>> >> > Hi Marina,
>> >> >
>> >> > How would you use LoadControl from within the class that serves the
>> >> > WebControls/UserControls?  LoadControl must be called from a class
>> >> > that
>> >> > inherits from the emplateControl class (i.e. Page and UserControl).
>> >> >
>> >> > The whole point is to maximize flexibility by encapsulating the
>> >> > generation
>> >> > of these controls, so that a webform (or another class) can simply
>> >> > request
>> >> > the control that corresponds to an entry in the xml document.
>> >> >
>> >> > If you know of another way to do this, please let me know.  I would
>> >> > appreciate any direction that you could provide.
>> >> >
>> >> > Thanks,
>> >> > --
>> >> > Joe
>> >> >
>> >> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
>> >> >
>> >> >
>> >> > "Marina" wrote:
>> >> >
>> >> >> I don't think this explains why you are against using LoadControl.
>> >> >>
>> >> >> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
>> >> >> news:1412A66C-FDE3-491E-8426-7F2379461567@microsoft.com...
>> >> >> > Hi Peter,
>> >> >> >
>> >> >> > We are using an xml document to "drive" the creation of web
>> >> >> > pages.
>> >> >> > The
>> >> >> > document defines what controls to include on a webform and where
>> >> >> > where
>> >> >> > the
>> >> >> > controls will appear.
>> >> >> >
>> >> >> > I have alot of lead-way in defining how the document will be
>> >> >> > structured
>> >> >> > and
>> >> >> > used.
>> >> >> >
>> >> >> > My idea was to have a class to encapsulate the generation of the
>> >> >> > required
>> >> >> > control (be it a WebControl or a UserControl) and returns it to
>> >> >> > the
>> >> >> > webform.
>> >> >> > In this app, a UserControl is just a grouping of WebControls.
>> >> >> > For
>> >> >> > example,
>> >> >> > one UserControl (CustomAddresses) is four textbox server controls
>> >> >> > grouped
>> >> >> > together for name, address1, address2 and city-state-zip.  This
>> >> >> > will
>> >> >> > be
>> >> >> > used
>> >> >> > on the page when it will display a person's addresses.
>> >> >> >
>> >> >> > Does this help you understand hat I am really trying to do?
>> >> >> > --
>> >> >> > Joe
>> >> >> >
>> >> >> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA
>> >> >> > Automation
>> >> >> >
>> >> >> >
>> >> >> > "Peter Rilling" wrote:
>> >> >> >
>> >> >> >> Can you clarify more why you don't want to call LoadControl to
>> >> >> >> load
>> >> >> >> the
>> >> >> >> control.  The reason LoadControl exists is so that ASP.NET has
>> >> >> >> the
>> >> >> >> ability
>> >> >> >> to prepare the object has it expects such as loading the ASCX
>> >> >> >> and
>> >> >> >> creating
>> >> >> >> an object model.  If you create one with a constructor, then you
>> >> >> >> prevent
>> >> >> >> the
>> >> >> >> engine from doing what it was suppose to.
>> >> >> >>
>> >> >> >> All controls have the Render method, but you should not override
>> >> >> >> that
>> >> >> >> in
>> >> >> >> a
>> >> >> >> usercontrol.  There are such things as custom web controls which
>> >> >> >> inherit
>> >> >> >> from WebControl which you can then  override the Render method.
>> >> >> >>
>> >> >> >> All the HtmlTextWriter does is allow you to output the HTML.  A
>> >> >> >> textbox
>> >> >> >> is
>> >> >> >> nothing more than <input type="text" value="something"/>.
>> >> >> >>
>> >> >> >>
>> >> >> >> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
>> >> >> >> news:0FF81938-2689-42C0-886B-1B0FE9D97972@microsoft.com...
>> >> >> >> >I figured out that I have to override the Render method in the
>> >> >> >> >UserControl.
>> >> >> >> >
>> >> >> >> > I do not really understand the HtmlTextWriter.  How do I write
>> >> >> >> > populated
>> >> >> >> > TextBox controls to the webform?
>> >> >> >> >
>> >> >> >> > Thank you for any available help.
>> >> >> >> > --
>> >> >> >> > Joe
>> >> >> >> >
>> >> >> >> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA
>> >> >> >> > Automation
>> >> >> >> >
>> >> >> >> >
>> >> >> >> > "Joe" wrote:
>> >> >> >> >
>> >> >> >> >> Hello All:
>> >> >> >> >>
>> >> >> >> >> Do I have to use the LoadControl method of the Page to load a
>> >> >> >> >> UserControl?
>> >> >> >> >>
>> >> >> >> >> I have a class which contains three methods (one public and
>> >> >> >> >> two
>> >> >> >> >> private).
>> >> >> >> >> The class acts as a control server.  It "serves" back the
>> >> >> >> >> required
>> >> >> >> >> control
>> >> >> >> >> (either WebControl or UserControl) based on the contents of
>> >> >> >> >> an
>> >> >> >> >> xml
>> >> >> >> >> file.
>> >> >> >> >> The
>> >> >> >> >> code in the webform places each control in a TableCell.
>> >> >> >> >>
>> >> >> >> >> My problem is that the control server works as far as
>> >> >> >> >> returning
>> >> >> >> >> the
>> >> >> >> >> correct
>> >> >> >> >> control; but when I view the webform, the UserControl is
>> >> >> >> >> nowhere
>> >> >> >> >> to
>> >> >> >> >> be
>> >> >> >> >> found.
>> >> >> >> >>  It's not on the page and not in the View Source.
>> >> >> >> >>
>> >> >> >> >> Here is the server code (I'm not posting GetWebControl here):
>> >> >> >> >>
>> >> >> >> >>     Public Function GetControl(ByVal NodeToRender As XmlNode)
>> >> >> >> >> As
>> >> >> >> >> Web.UI.Control
>> >> >> >> >>         Dim ValueToMatch As String
>> >> >> >> >>         If NodeToRender.Name.Equals("DisplayText") Then
>> >> >> >> >>             ValueToMatch = NodeToRender.Name.ToLower
>> >> >> >> >>         Else
>> >> >> >> >>             ValueToMatch =
>> >> >> >> >> NodeToRender.Attributes("type").Value.ToLower
>> >> >> >> >>         End If
>> >> >> >> >>         Select Case ValueToMatch.ToLower
>> >> >> >> >>             Case "label", "textbox", "checkbox",
>> >> >> >> >> "displaytext"
>> >> >> >> >>                 Return GetWebControl(NodeToRender)
>> >> >> >> >>
>> >> >> >> >>             Case "customaddresses"
>> >> >> >> >>                 Return GetUserControl(NodeToRender)
>> >> >> >> >>
>> >> >> >> >>         End Select
>> >> >> >> >>     End Function
>> >> >> >> >>
>> >> >> >> >>     Private Function GetUserControl(ByVal NodeToRender As
>> >> >> >> >> XmlNode)
>> >> >> >> >> As
>> >> >> >> >> Web.UI.UserControl
>> >> >> >> >>         Dim uControl As New CustomAddresses
>> >> >> >> >>
>> >> >> >> >> uControl.PopulateAddressBoxes(NodeToRender.Attributes("value").Value.Trim)
>> >> >> >> >>         Return uControl
>> >> >> >> >>     End Function
>> >> >> >> >>
>> >> >> >> >> Here is the code and HTML for the UserControl (called
>> >> >> >> >> CustomAddresses):
>> >> >> >> >>
>> >> >> >> >> Public Class CustomAddresses
>> >> >> >> >>     Inherits System.Web.UI.UserControl
>> >> >> >> >>
>> >> >> >> >>     Public Sub New()
>> >> >> >> >>         Addr1 = New TextBox
>> >> >> >> >>         Addr2 = New TextBox
>> >> >> >> >>         Addr3 = New TextBox
>> >> >> >> >>         Addr4 = New TextBox
>> >> >> >> >>     End Sub
>> >> >> >> >>
>> >> >> >> >>     Public Sub PopulateAddressBoxes(ByVal str As String)
>> >> >> >> >>         Dim SelectedValue() As String =
>> >> >> >> >> str.Split(("/").ToCharArray())
>> >> >> >> >>         Dim Name As String = SelectedValue(0).Trim
>> >> >> >> >>         Dim Address() As String =
>> >> >> >> >> SelectedValue(1).Split((",").ToCharArray())
>> >> >> >> >>         Dim Addr1 As String = Address(0).Trim
>> >> >> >> >>         Dim Addr2 As String = Address(1).Trim
>> >> >> >> >>         Dim City As String = Address(Address.Length - 3).Trim
>> >> >> >> >>         Dim StateProvCd As String = Address(Address.Length -
>> >> >> >> >> 2).Trim
>> >> >> >> >>         Dim PostalCode As String = Address(Address.Length -
>> >> >> >> >> 1).Trim
>> >> >> >> >>
>> >> >> >> >>         Me.Addr1.Text = Name
>> >> >> >> >>         Me.Addr2.Text = Addr1
>> >> >> >> >>         If Not Addr2.Equals(City) Then
>> >> >> >> >>             Me.Addr3.Text = Addr2
>> >> >> >> >>             Me.Addr4.Text = City & " " & StateProvCd & ", " &
>> >> >> >> >> PostalCode
>> >> >> >> >>         Else
>> >> >> >> >>             Me.Addr3.Text = City & " " & StateProvCd & ", " &
>> >> >> >> >> PostalCode
>> >> >> >> >>         End If
>> >> >> >> >>     End Sub
>> >> >> >> >> End Class
>> >> >> >> >>
>> >> >> >> >> <%@ Control Language="vb" AutoEventWireup="false"
>> >> >> >> >> Codebehind="CustomAddresses.ascx.vb"
>> >> >> >> >> Inherits="WBMI.Claims.CustomAddresses"
>> >> >> >> >> TargetSchema="http://schemas.microsoft.com/intellisense/ie5"%>
>> >> >> >> >> <TABLE class="interior" id="Table1" width="100%">
>> >> >> >> >> <TR>
>> >> >> >> >> <TD class="tabledata">
>> >> >> >> >> <asp:TextBox id="Addr1" runat="server" Width="361px"
>> >> >> >> >> ReadOnly="False"
>> >> >> >> >> MaxLength="60"></asp:TextBox></TD>
>> >> >> >> >> </TR>
>> >> >> >> >> <TR>
>> >> >> >> >> <TD class="tabledata">
>> >> >> >> >> <asp:TextBox id="Addr2" runat="server" Width="361px"
>> >> >> >> >> ReadOnly="False"
>> >> >> >> >> MaxLength="60"></asp:TextBox></TD>
>> >> >> >> >> </TR>
>> >> >> >> >> <TR>
>> >> >> >> >> <TD class="tabledata">
>> >> >> >> >> <asp:TextBox id="Addr3" runat="server" Width="361px"
>> >> >> >> >> ReadOnly="False"
>> >> >> >> >> MaxLength="60"></asp:TextBox></TD>
>> >> >> >> >> </TR>
>> >> >> >> >> <TR>
>> >> >> >> >> <TD class="tabledata">
>> >> >> >> >> <asp:TextBox id="Addr4" runat="server" Width="361px"
>> >> >> >> >> ReadOnly="False"
>> >> >> >> >> MaxLength="60"></asp:TextBox></TD>
>> >> >> >> >> </TR>
>> >> >> >> >> </TABLE>
>> >> >> >> >>
>> >> >> >> >> Here's a sample of the webform code that calls these:
>> >> >> >> >>
>> >> >> >> >> If TypeOf
>> >> >> >> >> SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode))
>> >> >> >> >> Is
>> >> >> >> >> WebControl Then
>> >> >> >> >>    ControlToRender =
>> >> >> >> >> CType(SvrControl.GetControl(m_FormTemplate.GetControlNode(ChildNode)),
>> >> >> >> >> WebControl)

"Marina" wrote:

> Your thread started out saying you didn't want to use LoadControl, which is
> why I was addressing that issue.
>
> Yes, your code would look something like what you have there.
>
> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
> news:E0D9317C-C176-45D1-B4FD-F1044E370102@microsoft.com...
> > It can use LoadControl; in fact, I want to use LoadControl because I don't
> > want to bother overriding the Render method of the UserControl.  The
> > problem
> > is that I didn't have access to LoadControl from within my class (let's
> > call
> > it ControlServer).  So I instantiate and call ControlServer class from
> > within
> > the Page (I am doing this now).
> >
> > How would you pass a Page Instance up?  Like so?
> >
> > Dim sC as New ControlServer
> > sC.SomeMethod(Me, another_data_value)
> >
> > --
> > Joe
> >
> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
> >
> >
> > "Marina" wrote:
> >
> >> That's fine. But why can't this unit use LoadControl? That is really the
> >> question.
> >>
> >> There are many way to accomplish this central place having access to
> >> whatever page wants the user control created, so it can use the page's
> >> LoadControl.
> >>
> >> I think you are getting stuck in trying to box everything up, and not
> >> really
> >> thinking about the functionality here.  Only a Page can host a user
> >> control.
> >> Only ASP.NET's engine can parse the .ascx, turn it into an object, use
> >> the
> >> class behind it to render it all. So, whatever black box is going to have
> >> this functionality, is going to need to have access to a Page on way or
> >> another. It could be through inheritance, it could be through passing the
> >> Page instance up, etc.
> >>
> >> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
> >> news:737D8DD8-7E5F-4B6F-B105-D6DA94808166@microsoft.com...
> >> > Hi Marina,
> >> >
> >> > Only a Page is going to use it.
> >> >
> >> > The point is to encapsulate the process of creating it.  To have one
> >> > class
> >> > that accepts information (in this case, an XmlNode that has data that
> >> > the
> >> > class uses to return the appropriate control) and returns a control -
> >> > be
> >> > it a
> >> > WebControl or a UserControl.  I've encapsulated the process of
> >> > returning
> >> > WebControls that are then placed in the appropriate places on the Page;
> >> > now I
> >> > want to encapsulate the process of returning UserControls.
> >> >
> >> > Why?  Because we want a central unit to handle this functionality.
> >> >
> >> > Any ideas?
> >> > --
> >> > Joe
> >> >
> >> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
> >> >
> >> >
> >> > "Marina" wrote:
> >> >
> >> >> If this is a usercontrol, nothing but another usercontrol or page can
> >> >> possible do anything with it. It is a visual asp.net user control -
> >> >> windows
> >> >> forms, etc. are not going to be able to do anything with it. Only the
> >> >> ASP.NET engine can process it - which is why LoadControl was created,
> >> >> to
> >> >> do
> >> >> just that. Because a constructor cannot do anything to help with
> >> >> rendering
> >> >> it and instantiating it, and looking at the .ascx, etc etc.
> >> >>
> >> >> So, even if you did manage to encapsulate it, only a page or
> >> >> usercontrol
> >> >> would be able to use it anyway - so why bother?
> >> >>
> >> >> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
> >> >> news:A22FF11D-8E8C-4FF2-AE02-D96038721CCD@microsoft.com...
> >> >> > Hi Marina,
> >> >> >
> >> >> > How would you use LoadControl from within the class that serves the
> >> >> > WebControls/UserControls?  LoadControl must be called from a class
> >> >> > that
> >> >> > inherits from the emplateControl class (i.e. Page and UserControl).
> >> >> >
> >> >> > The whole point is to maximize flexibility by encapsulating the
> >> >> > generation
> >> >> > of these controls, so that a webform (or another class) can simply
> >> >> > request
> >> >> > the control that corresponds to an entry in the xml document.
> >> >> >
> >> >> > If you know of another way to do this, please let me know.  I would
> >> >> > appreciate any direction that you could provide.
> >> >> >
> >> >> > Thanks,
> >> >> > --
> >> >> > Joe
> >> >> >
> >> >> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
> >> >> >
> >> >> >
> >> >> > "Marina" wrote:
> >> >> >
> >> >> >> I don't think this explains why you are against using LoadControl.
> >> >> >>
> >> >> >> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
> >> >> >> news:1412A66C-FDE3-491E-8426-7F2379461567@microsoft.com...
> >> >> >> > Hi Peter,
> >> >> >> >
> >> >> >> > We are using an xml document to "drive" the creation of web
> >> >> >> > pages.
> >> >> >> > The
> >> >> >> > document defines what controls to include on a webform and where
> >> >> >> > where
> >> >> >> > the
> >> >> >> > controls will appear.
> >> >> >> >
> >> >> >> > I have alot of lead-way in defining how the document will be
> >> >> >> > structured
> >> >> >> > and
> >> >> >> > used.
> >> >> >> >
> >> >> >> > My idea was to have a class to encapsulate the generation of the
> >> >> >> > required
> >> >> >> > control (be it a WebControl or a UserControl) and returns it to
> >> >> >> > the
> >> >> >> > webform.
> >> >> >> > In this app, a UserControl is just a grouping of WebControls.
> >> >> >> > For
> >> >> >> > example,
> >> >> >> > one UserControl (CustomAddresses) is four textbox server controls
> >> >> >> > grouped
> >> >> >> > together for name, address1, address2 and city-state-zip.  This
> >> >> >> > will
> >> >> >> > be
> >> >> >> > used
> >> >> >> > on the page when it will display a person's addresses.
> >> >> >> >
> >> >> >> > Does this help you understand hat I am really trying to do?
> >> >> >> > --
> >> >> >> > Joe
> >> >> >> >
> >> >> >> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA
> >> >> >> > Automation
> >> >> >> >
> >> >> >> >
> >> >> >> > "Peter Rilling" wrote:
> >> >> >> >
> >> >> >> >> Can you clarify more why you don't want to call LoadControl to
> >> >> >> >> load
> >> >> >> >> the
> >> >> >> >> control.  The reason LoadControl exists is so that ASP.NET has
> >> >> >> >> the
> >> >> >> >> ability
> >> >> >> >> to prepare the object has it expects such as loading the ASCX
> >> >> >> >> and
> >> >> >> >> creating
> >> >> >> >> an object model.  If you create one with a constructor, then you
> >> >> >> >> prevent
> >> >> >> >> the
> >> >> >> >> engine from doing what it was suppose to.
> >> >> >> >>
> >> >> >> >> All controls have the Render method, but you should not override
> >> >> >> >> that
> >> >> >> >> in
> >> >> >> >> a
> >> >> >> >> usercontrol.  There are such things as custom web controls which
> >> >> >> >> inherit
> >> >> >> >> from WebControl which you can then  override the Render method.
> >> >> >> >>
> >> >> >> >> All the HtmlTextWriter does is allow you to output the HTML.  A
> >> >> >> >> textbox
> >> >> >> >> is
> >> >> >> >> nothing more than <input type="text" value="something"/>.
> >> >> >> >>
> >> >> >> >>
> >> >> >> >> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
> >> >> >> >> news:0FF81938-2689-42C0-886B-1B0FE9D97972@microsoft.com...
> >> >> >> >> >I figured out that I have to override the Render method in the
> >> >> >> >> >UserControl.
> >> >> >> >> >
> >> >> >> >> > I do not really understand the HtmlTextWriter.  How do I write
> >> >> >> >> > populated
> >> >> >> >> > TextBox controls to the webform?
> >> >> >> >> >
> >> >> >> >> > Thank you for any available help.
> >> >> >> >> > --
> >> >> >> >> > Joe
> >> >> >> >> >
> >> >> >> >> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA
> >> >> >> >> > Automation
> >> >> >> >> >
> >> >> >> >> >
> >> >> >> >> > "Joe" wrote:
> >> >> >> >> >
> >> >> >> >> >> Hello All:
> >> >> >> >> >>
> >> >> >> >> >> Do I have to use the LoadControl method of the Page to load a
> >> >> >> >> >> UserControl?
> >> >> >> >> >>
> >> >> >> >> >> I have a class which contains three methods (one public and
> >> >> >> >> >> two
> >> >> >> >> >> private).
> >> >> >> >> >> The class acts as a control server.  It "serves" back the
> >> >> >> >> >> required
> >> >> >> >> >> control
> >> >> >> >> >> (either WebControl or UserControl) based on the contents of
> >> >> >> >> >> an
> >> >> >> >> >> xml
> >> >> >> >> >> file.
> >> >> >> >> >> The
> >> >> >> >> >> code in the webform places each control in a TableCell.
> >> >> >> >> >>
> >> >> >> >> >> My problem is that the control server works as far as
> >> >> >> >> >> returning
> >> >> >> >> >> the
> >> >> >> >> >> correct
> >> >> >> >> >> control; but when I view the webform, the UserControl is
> >> >> >> >> >> nowhere
> >> >> >> >> >> to
> >> >> >> >> >> be
> >> >> >> >> >> found.
> >> >> >> >> >>  It's not on the page and not in the View Source.
> >> >> >> >> >>
> >> >> >> >> >> Here is the server code (I'm not posting GetWebControl here):
> >> >> >> >> >>
> >> >> >> >> >>     Public Function GetControl(ByVal NodeToRender As XmlNode)
> >> >> >> >> >> As
> >> >> >> >> >> Web.UI.Control
> >> >> >> >> >>         Dim ValueToMatch As String
> >> >> >> >> >>         If NodeToRender.Name.Equals("DisplayText") Then
> >> >> >> >> >>             ValueToMatch = NodeToRender.Name.ToLower
> >> >> >> >> >>         Else
> >> >> >> >> >>             ValueToMatch =
> >> >> >> >> >> NodeToRender.Attributes("type").Value.ToLower
> >> >> >> >> >>         End If
> >> >> >> >> >>         Select Case ValueToMatch.ToLower
> >> >> >> >> >>             Case "label", "textbox", "checkbox",
> >> >> >> >> >> "displaytext"
> >> >> >> >> >>                 Return GetWebControl(NodeToRender)
> >> >> >> >> >>
> >> >> >> >> >>             Case "customaddresses"
> >> >> >> >> >>                 Return GetUserControl(NodeToRender)
> >> >> >> >> >>
> >> >> >> >> >>         End Select
> >> >> >> >> >>     End Function
> >> >> >> >> >>
> >> >> >> >> >>     Private Function GetUserControl(ByVal NodeToRender As
> >> >> >> >> >> XmlNode)
> >> >> >> >> >> As
> >> >> >> >> >> Web.UI.UserControl
> >> >> >> >> >>         Dim uControl As New CustomAddresses
> >> >> >> >> >>
> >> >> >> >> >> uControl.PopulateAddressBoxes(NodeToRender.Attributes("value").Value.Trim)
> >> >> >> >> >>         Return uControl
> >> >> >> >> >>     End Function
> >> >> >> >> >>
> >> >> >> >> >> Here is the code and HTML for the UserControl (called
> >> >> >> >> >> CustomAddresses):
> >> >> >> >> >>
> >> >> >> >> >> Public Class CustomAddresses
> >> >> >> >> >>     Inherits System.Web.UI.UserControl
> >> >> >> >> >>
> >> >> >> >> >>     Public Sub New()
> >> >> >> >> >>         Addr1 = New TextBox
> >> >> >> >> >>         Addr2 = New TextBox
> >> >> >> >> >>         Addr3 = New TextBox
> >> >> >> >> >>         Addr4 = New TextBox
> >> >> >> >> >>     End Sub
> >> >> >> >> >>
> >> >> >> >> >>     Public Sub PopulateAddressBoxes(ByVal str As String)
> >> >> >> >> >>         Dim SelectedValue() As String =
> >> >> >> >> >> str.Split(("/").ToCharArray())
> >> >> >> >> >>         Dim Name As String = SelectedValue(0).Trim
> >> >> >> >> >>         Dim Address() As String =
> >> >> >> >> >> SelectedValue(1).Split((",").ToCharArray())
> >> >> >> >> >>         Dim Addr1 As String = Address(0).Trim
> >> >> >> >> >>         Dim Addr2 As String = Address(1).Trim
> >> >> >> >> >>         Dim City As String = Address(Address.Length - 3).Trim
> >> >> >> >> >>         Dim StateProvCd As String = Address(Address.Length -
> >> >> >> >> >> 2).Trim
> >> >> >> >> >>         Dim PostalCode As String = Address(Address.Length -
> >> >> >> >> >> 1).Trim
> >> >> >> >> >>

"Joe" <joeherro@donotspam.yahoo.com> wrote in message
news:B34014AF-A20E-4796-888E-8D2D76B0906D@microsoft.com...
> Hi Marina,
>
> My thread started out with this:
>
> Do I have to use the LoadControl method of the Page to load a UserControl?
>
> I have a class which contains three methods (one public and two private).
> The class acts as a control server.  It "serves" back the required control
> (either WebControl or UserControl) based on the contents of an xml file.
> The
> code in the webform places each control in a TableCell.
>
> **********************
> Code  and HTML snippets here
> **********************
>
> What this boils down to is that I want to create and utilize a
> ControlServer
> class to encapsulate the details about how a control is created and
> returned.
>
> Can this be done?
>
>
>
> I don't see any mention of not wanting to use LoadControl.  I asked if I
> had
> to.  And, now I know.
>
> BTW, thanks for your help.  This solves the problem.  I appreicate it.
> --
> Joe
>
> VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
>
>
> "Marina" wrote:
>
>> Your thread started out saying you didn't want to use LoadControl, which
>> is
>> why I was addressing that issue.
>>
>> Yes, your code would look something like what you have there.
>>
>> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
>> news:E0D9317C-C176-45D1-B4FD-F1044E370102@microsoft.com...
>> > It can use LoadControl; in fact, I want to use LoadControl because I
>> > don't
>> > want to bother overriding the Render method of the UserControl.  The
>> > problem
>> > is that I didn't have access to LoadControl from within my class (let's
>> > call
>> > it ControlServer).  So I instantiate and call ControlServer class from
>> > within
>> > the Page (I am doing this now).
>> >
>> > How would you pass a Page Instance up?  Like so?
>> >
>> > Dim sC as New ControlServer
>> > sC.SomeMethod(Me, another_data_value)
>> >
>> > --
>> > Joe
>> >
>> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
>> >
>> >
>> > "Marina" wrote:
>> >
>> >> That's fine. But why can't this unit use LoadControl? That is really
>> >> the
>> >> question.
>> >>
>> >> There are many way to accomplish this central place having access to
>> >> whatever page wants the user control created, so it can use the page's
>> >> LoadControl.
>> >>
>> >> I think you are getting stuck in trying to box everything up, and not
>> >> really
>> >> thinking about the functionality here.  Only a Page can host a user
>> >> control.
>> >> Only ASP.NET's engine can parse the .ascx, turn it into an object, use
>> >> the
>> >> class behind it to render it all. So, whatever black box is going to
>> >> have
>> >> this functionality, is going to need to have access to a Page on way
>> >> or
>> >> another. It could be through inheritance, it could be through passing
>> >> the
>> >> Page instance up, etc.
>> >>
>> >> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
>> >> news:737D8DD8-7E5F-4B6F-B105-D6DA94808166@microsoft.com...
>> >> > Hi Marina,
>> >> >
>> >> > Only a Page is going to use it.
>> >> >
>> >> > The point is to encapsulate the process of creating it.  To have one
>> >> > class
>> >> > that accepts information (in this case, an XmlNode that has data
>> >> > that
>> >> > the
>> >> > class uses to return the appropriate control) and returns a
>> >> > control -
>> >> > be
>> >> > it a
>> >> > WebControl or a UserControl.  I've encapsulated the process of
>> >> > returning
>> >> > WebControls that are then placed in the appropriate places on the
>> >> > Page;
>> >> > now I
>> >> > want to encapsulate the process of returning UserControls.
>> >> >
>> >> > Why?  Because we want a central unit to handle this functionality.
>> >> >
>> >> > Any ideas?
>> >> > --
>> >> > Joe
>> >> >
>> >> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA Automation
>> >> >
>> >> >
>> >> > "Marina" wrote:
>> >> >
>> >> >> If this is a usercontrol, nothing but another usercontrol or page
>> >> >> can
>> >> >> possible do anything with it. It is a visual asp.net user control -
>> >> >> windows
>> >> >> forms, etc. are not going to be able to do anything with it. Only
>> >> >> the
>> >> >> ASP.NET engine can process it - which is why LoadControl was
>> >> >> created,
>> >> >> to
>> >> >> do
>> >> >> just that. Because a constructor cannot do anything to help with
>> >> >> rendering
>> >> >> it and instantiating it, and looking at the .ascx, etc etc.
>> >> >>
>> >> >> So, even if you did manage to encapsulate it, only a page or
>> >> >> usercontrol
>> >> >> would be able to use it anyway - so why bother?
>> >> >>
>> >> >> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
>> >> >> news:A22FF11D-8E8C-4FF2-AE02-D96038721CCD@microsoft.com...
>> >> >> > Hi Marina,
>> >> >> >
>> >> >> > How would you use LoadControl from within the class that serves
>> >> >> > the
>> >> >> > WebControls/UserControls?  LoadControl must be called from a
>> >> >> > class
>> >> >> > that
>> >> >> > inherits from the emplateControl class (i.e. Page and
>> >> >> > UserControl).
>> >> >> >
>> >> >> > The whole point is to maximize flexibility by encapsulating the
>> >> >> > generation
>> >> >> > of these controls, so that a webform (or another class) can
>> >> >> > simply
>> >> >> > request
>> >> >> > the control that corresponds to an entry in the xml document.
>> >> >> >
>> >> >> > If you know of another way to do this, please let me know.  I
>> >> >> > would
>> >> >> > appreciate any direction that you could provide.
>> >> >> >
>> >> >> > Thanks,
>> >> >> > --
>> >> >> > Joe
>> >> >> >
>> >> >> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA
>> >> >> > Automation
>> >> >> >
>> >> >> >
>> >> >> > "Marina" wrote:
>> >> >> >
>> >> >> >> I don't think this explains why you are against using
>> >> >> >> LoadControl.
>> >> >> >>
>> >> >> >> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
>> >> >> >> news:1412A66C-FDE3-491E-8426-7F2379461567@microsoft.com...
>> >> >> >> > Hi Peter,
>> >> >> >> >
>> >> >> >> > We are using an xml document to "drive" the creation of web
>> >> >> >> > pages.
>> >> >> >> > The
>> >> >> >> > document defines what controls to include on a webform and
>> >> >> >> > where
>> >> >> >> > where
>> >> >> >> > the
>> >> >> >> > controls will appear.
>> >> >> >> >
>> >> >> >> > I have alot of lead-way in defining how the document will be
>> >> >> >> > structured
>> >> >> >> > and
>> >> >> >> > used.
>> >> >> >> >
>> >> >> >> > My idea was to have a class to encapsulate the generation of
>> >> >> >> > the
>> >> >> >> > required
>> >> >> >> > control (be it a WebControl or a UserControl) and returns it
>> >> >> >> > to
>> >> >> >> > the
>> >> >> >> > webform.
>> >> >> >> > In this app, a UserControl is just a grouping of WebControls.
>> >> >> >> > For
>> >> >> >> > example,
>> >> >> >> > one UserControl (CustomAddresses) is four textbox server
>> >> >> >> > controls
>> >> >> >> > grouped
>> >> >> >> > together for name, address1, address2 and city-state-zip.
>> >> >> >> > This
>> >> >> >> > will
>> >> >> >> > be
>> >> >> >> > used
>> >> >> >> > on the page when it will display a person's addresses.
>> >> >> >> >
>> >> >> >> > Does this help you understand hat I am really trying to do?
>> >> >> >> > --
>> >> >> >> > Joe
>> >> >> >> >
>> >> >> >> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA
>> >> >> >> > Automation
>> >> >> >> >
>> >> >> >> >
>> >> >> >> > "Peter Rilling" wrote:
>> >> >> >> >
>> >> >> >> >> Can you clarify more why you don't want to call LoadControl
>> >> >> >> >> to
>> >> >> >> >> load
>> >> >> >> >> the
>> >> >> >> >> control.  The reason LoadControl exists is so that ASP.NET
>> >> >> >> >> has
>> >> >> >> >> the
>> >> >> >> >> ability
>> >> >> >> >> to prepare the object has it expects such as loading the ASCX
>> >> >> >> >> and
>> >> >> >> >> creating
>> >> >> >> >> an object model.  If you create one with a constructor, then
>> >> >> >> >> you
>> >> >> >> >> prevent
>> >> >> >> >> the
>> >> >> >> >> engine from doing what it was suppose to.
>> >> >> >> >>
>> >> >> >> >> All controls have the Render method, but you should not
>> >> >> >> >> override
>> >> >> >> >> that
>> >> >> >> >> in
>> >> >> >> >> a
>> >> >> >> >> usercontrol.  There are such things as custom web controls
>> >> >> >> >> which
>> >> >> >> >> inherit
>> >> >> >> >> from WebControl which you can then  override the Render
>> >> >> >> >> method.
>> >> >> >> >>
>> >> >> >> >> All the HtmlTextWriter does is allow you to output the HTML.
>> >> >> >> >> A
>> >> >> >> >> textbox
>> >> >> >> >> is
>> >> >> >> >> nothing more than <input type="text" value="something"/>.
>> >> >> >> >>
>> >> >> >> >>
>> >> >> >> >> "Joe" <joeherro@donotspam.yahoo.com> wrote in message
>> >> >> >> >> news:0FF81938-2689-42C0-886B-1B0FE9D97972@microsoft.com...
>> >> >> >> >> >I figured out that I have to override the Render method in
>> >> >> >> >> >the
>> >> >> >> >> >UserControl.
>> >> >> >> >> >
>> >> >> >> >> > I do not really understand the HtmlTextWriter.  How do I
>> >> >> >> >> > write
>> >> >> >> >> > populated
>> >> >> >> >> > TextBox controls to the webform?
>> >> >> >> >> >
>> >> >> >> >> > Thank you for any available help.
>> >> >> >> >> > --
>> >> >> >> >> > Joe
>> >> >> >> >> >
>> >> >> >> >> > VB.NET/C#/ASP.NET/ASP/VB/C++/Web and DB development/VBA
>> >> >> >> >> > Automation
>> >> >> >> >> >
>> >> >> >> >> >
>> >> >> >> >> > "Joe" wrote:
>> >> >> >> >> >
>> >> >> >> >> >> Hello All:
>> >> >> >> >> >>
>> >> >> >> >> >> Do I have to use the LoadControl method of the Page to
>> >> >> >> >> >> load a
>> >> >> >> >> >> UserControl?
>> >> >> >> >> >>
>> >> >> >> >> >> I have a class which contains three methods (one public
>> >> >> >> >> >> and
>> >> >> >> >> >> two
>> >> >> >> >> >> private).
>> >> >> >> >> >> The class acts as a control server.  It "serves" back the
>> >> >> >> >> >> required
>> >> >> >> >> >> control
>> >> >> >> >> >> (either WebControl or UserControl) based on the contents
>> >> >> >> >> >> of
>> >> >> >> >> >> an
>> >> >> >> >> >> xml
>> >> >> >> >> >> file.
>> >> >> >> >> >> The
>> >> >> >> >> >> code in the webform places each control in a TableCell.
>> >> >> >> >> >>
>> >> >> >> >> >> My problem is that the control server works as far as
>> >> >> >> >> >> returning
>> >> >> >> >> >> the
>> >> >> >> >> >> correct
>> >> >> >> >> >> control; but when I view the webform, the UserControl is
>> >> >> >> >> >> nowhere
>> >> >> >> >> >> to
>> >> >> >> >> >> be
>> >> >> >> >> >> found.
>> >> >> >> >> >>  It's not on the page and not in the View Source.
>> >> >> >> >> >>
>> >> >> >> >> >> Here is the server code (I'm not posting GetWebControl
>> >> >> >> >> >> here):
>> >> >> >> >> >>
>> >> >> >> >> >>     Public Function GetControl(ByVal NodeToRender As
>> >> >> >> >> >> XmlNode)
>> >> >> >> >> >> As
>> >> >> >> >> >> Web.UI.Control
>> >> >> >> >> >>         Dim ValueToMatch As String
>> >> >> >> >> >>         If NodeToRender.Name.Equals("DisplayText") Then
>> >> >> >> >> >>             ValueToMatch = NodeToRender.Name.ToLower
>> >> >> >> >> >>         Else
>> >> >> >> >> >>             ValueToMatch =
>> >> >> >> >> >> NodeToRender.Attributes("type").Value.ToLower
>> >> >> >> >> >>         End If
>> >> >> >> >> >>         Select Case ValueToMatch.ToLower
>> >> >> >> >> >>             Case "label", "textbox", "checkbox",
>> >> >> >> >> >> "displaytext"
>> >> >> >> >> >>                 Return GetWebControl(NodeToRender)
>> >> >> >> >> >>
>> >> >> >> >> >>             Case "customaddresses"
>> >> >> >> >> >>                 Return GetUserControl(NodeToRender)
>> >> >> >> >> >>
>> >> >> >> >> >>         End Select
>> >> >> >> >> >>     End Function
>> >> >> >> >> >>
>> >> >> >> >> >>     Private Function GetUserControl(ByVal NodeToRender As
>> >> >> >> >> >> XmlNode)
>> >> >> >> >> >> As
>> >> >> >> >> >> Web.UI.UserControl
>> >> >> >> >> >>         Dim uControl As New CustomAddresses
>> >> >> >> >> >>
>> >> >> >> >> >> uControl.PopulateAddressBoxes(NodeToRender.Attributes("value").Value.Trim)
>> >> >> >> >> >>         Return uControl
>> >> >> >> >> >>     End Function
>> >> >> >> >> >>
>> >> >> >> >> >> Here is the code and HTML for the UserControl (called
>> >> >> >> >> >> CustomAddresses):
>> >> >> >> >> >>
>> >> >> >> >> >> Public Class CustomAddresses
>> >> >> >> >> >>     Inherits System.Web.UI.UserControl
>> >> >> >> >> >>
>> >> >> >> >> >>     Public Sub New()
>> >> >> >> >> >>         Addr1 = New TextBox
>> >> >> >> >> >>         Addr2 = New TextBox
>> >> >> >> >> >>         Addr3 = New TextBox
>> >> >> >> >> >>         Addr4 = New TextBox
>> >> >> >> >> >>     End Sub
>> >> >> >> >> >>
>> >> >> >> >> >>     Public Sub PopulateAddressBoxes(ByVal str As String)
>> >> >> >> >> >>         Dim SelectedValue() As String =
>> >> >> >> >> >> str.Split(("/").ToCharArray())
>> >> >> >> >> >>         Dim Name As String = SelectedValue(0).Trim
>> >> >> >> >> >>         Dim Address() As String =
>> >> >> >> >> >> SelectedValue(1).Split((",").ToCharArray())
>> >> >> >> >> >>         Dim Addr1 As String = Address(0).Trim
>> >> >> >> >> >>         Dim Addr2 As String = Address(1).Trim
>> >> >> >> >> >>         Dim City As String = Address(Address.Length -
>> >> >> >> >> >> 3).Trim
>> >> >> >> >> >>         Dim StateProvCd As String =
>> >> >> >> >> >> Address(Address.Length -
>> >> >> >> >> >> 2).Trim
>> >> >> >> >> >>         Dim PostalCode As String =
>> >> >> >> >> >> Address(Address.Length -
>> >> >> >> >> >> 1).Trim
>> >> >> >> >> >>