"Mark Richards" wrote:

> I posted this earlier, and got no response.  Basically I need to be able to
> grab a value from one of the fields in a gridView to populate a dropdown in
> another column of the gridview:
>
>
> I have a gridView that has 2 templated columns that contain drop-down lists.
> The first drop down list uses a value off of a formview on the same page for
> filtering.  The 2nd drop-down is supposed to use the value off the first
> drop-down for it's parameter.  I tried to add a parameter definition the
> same way I did referring to the FormView, but I get the following error:
>
> DataBinding: 'System.Web.UI.WebControls.GridView' does not contain a
> property with the name 'DataKey'.
>
> Offending Code:
> <asp:ObjectDataSource ID="dsTarget" runat="server"
> OldValuesParameterFormatString="original_{0}"
> SelectMethod="GetTargetsForSite" TypeName="AL.clsSite">
> <SelectParameters>
> <asp:ControlParameter ControlID="GridView1" Name="SiteID"
> PropertyName="DataKey("SiteID")" Type="Int32" />
> </SelectParameters>
> </asp:ObjectDataSource>
>
>
>
> wheras this code works:
>
> <asp:ObjectDataSource ID="dsSite" runat="server"
> OldValuesParameterFormatString="original_{0}"
> SelectMethod="GetSitesForPublisher" TypeName="AL.clsSite">
> <SelectParameters>
> <asp:ControlParameter ControlID="FormView1" Name="PublisherID"
> PropertyName="DataKey("PublisherID")" Type="Int32" />
> </SelectParameters>
> </asp:ObjectDataSource>
>
>
>
>
>
> So, first, is this the best way to get a value out of a formView ?  2nd, how
> do I get a value from the GridView ?
>
>
>
> Thanks,
>
> Mark Richards
>
>
>