"Giuseppe Esposito" <giusespo@no_spam_libero.it> wrote in message
news:9fa0d7356ac08c7e760e48e4610@news.microsoft.com...
>I don't know if it's the right name: I try to explain what I want to do.
>
> Follow me. Wb.config file permits user to create personalized section. The
> section can be read throught your ConfigurationSection's derived class and
> each
> element of the section should belong to a ConfigurationElement's derived
> class.
>
> Well. For standard field that return string, integer and so on, for each
> attribute
> you can use XXXXValidator to check if passed value is in a certain range.
> That's fine, but I want to implement my own XXXX Validator.
>
> So what I did is the following.
>
> public sealed class ContentTypeValidator : ConfigurationValidatorBase
> {
> public override void Validate(object value)
> {
> ArrayList ct = new ArrayList();
>
> ct.Add("text/plain");
> ct.Add("text/HTML");
> ct.Add("image/GIF");
> ct.Add("image/JPEG");
> ct.Add("image/TIFF");
> ct.Add("application/pdf");
> ct.Add("application/zip");
> ct.Add("application/x-excel");
> ct.Add("application/rtf");
>
> try
> {
>   if (Array.IndexOf(ct, value) == -1)
>     throw new ConfigurationErrorsException("Value isn't allowed");
>
> }
> catch (ConfigurationErrorsException err)
> {
>     throw err;
> }
> }
> }
>
> I don't know if this is the right way to do what I want, but despite the
> class doesn't contain
> any formal error, if I got closest to my attribute declaration and press
> [ and look for my Validator
> class, it isn't there. What's the matter?
>
>
> Thanks to all
> Giuseppe
>
>
>

"Giuseppe Esposito" <giusespo@no_spam_libero.it> wrote in message
news:9fa0d7356e678c7e8aff2c4d230@news.microsoft.com...
> Well, I need to use it in the web.config file, not in an asp page, so I
> suppose that a CustomValidator doesn't suit my needs, does it?
>
> ByeGiuseppe
>
>
>

NS> "Giuseppe Esposito" <giusespo@no_spam_libero.it> wrote in message
NS> news:9fa0d7356e678c7e8aff2c4d230@news.microsoft.com...
NS>
>> Well, I need to use it in the web.config file, not in an asp page, so
>> I suppose that a CustomValidator doesn't suit my needs, does it?
>>
>> ByeGiuseppe
>>

"andrea" <googlegro***@freemail.it> wrote in message
news:9fa0d7357c878c7e9e9138e6096@news.microsoft.com...
> Sorry, I just saw that the name and e-mail used for posting is wrongly
> changed with another profile.
> By the way.
>
> Well, I believe to have said all on the first post, but let me try to
> explain it again. Maybe that I wasn't so clear as I mean.
>
> This is an extract of the web.config file
>
> <configSections>
>  <section name="mySection" type="MyCompany.MySection"/>
> </configSections>
> <mySection>
> <Item name="Giuseppe"/>
> </mySection>
>
>
> Then ... to handle mySection I wrote a class that inherits from
> ConfigurationSection in which is defined a metod Item that return
> a class that inherits from ConfigurationElement. In this class you must
> define each property of Item, otherwise compiler generate an error during
> the startup.
>
> So here it is the class.
>
>
> public class Item : ConfigurationElement {
> [ConfigurationProperty("name",
>                                             DefaultValue = ",
>      IsRequired = false)]
> public string name
> {
> get { return (string)this["name"]; }
> set { this["name"] = value; }
> }
>             }
>
> Now you want to be sure that name is in a certain range if it is numeric
> or that doesn't contains some invalid characters.
> So in case like this you could use the XValidator class; then in case of
> the string you probably use the stringValidator, right?
>
> But StringValidator perform a RegEx search, so if you want to match your
> value with something that is in a list, this isn't suit your goal.
>
> Your last chance is to implement your own Validator Class.
>
> So this is what I do.
>
> [AttributeUsage(AttributeTargets.Property, AllowMultiple=false)]
> public sealed class NameAttribute : ConfigurationValidatorAttribute
> {
> public ContentTypeAttribute()
> {
> }
>
> public override ConfigurationValidatorBase ValidatorInstance { get
> {
> return new NameValidator(""); // Here there is a problem
> }
> }
> }
>
> public class NameValidator : ConfigurationValidatorBase
> {
> String[] ct = new String[] {"Andrea", "Giuseppe"};
>
> public NameValidator (String name)
> {
>   if (base.CanValidate(name.GetType()))
> this.Validate(NameValidator); }
>
> public override void Validate(object value)
> {
>  if (Array.IndexOf(ct, value) == -1)
> throw new Exception("Value isn't allowed");
> }
> }
>
>
>
> Basically it should be the same that a XValidator does, but there is one
> thing that isn't so clear to me :
> how the current value stored in the property Name of the Element Item
> arrive to my validator.
>
> Bye
> Andrea
>
>
> NS> Well, first of all, the web.config file is an XML file, so you won't
> NS> be able to write VB.NET or C#.NET code in it to begin with. The
> NS> web.config file is simply a list of settings, so I think I am a
> NS> little confused about what you are planning to do with your
> NS> validation code. If you simply want to write a class, create a .VB
> NS> or .CS file (depending on what language you are using). If you
> NS> simply want a function or sub that does the validation, you can
> NS> either write a class containing nothing except that function or sub,
> NS> or you could add the function or sub to the Global class (located in
> NS> the Global.asax.vb or Global.asax.cs file). If you could try to
> NS> clarify what you are planning on doing with this validator, it might
> NS> help me and anyone else figure out what you are looking for. (NOTE:
> NS> When posting a Reply, it is good to include the previous message so
> NS> that people can see anything you have already tried, mentioned, as
> NS> well as what the original problem was)
> NS> NS> "Giuseppe Esposito" <giusespo@no_spam_libero.it> wrote in message
> NS> news:9fa0d7356e678c7e8aff2c4d230@news.microsoft.com...
> NS>
>>> Well, I need to use it in the web.config file, not in an asp page, so
>>> I suppose that a CustomValidator doesn't suit my needs, does it?
>>>
>>> ByeGiuseppe
>>>
>
>
>

NS> "andrea" <googlegro***@freemail.it> wrote in message
NS> news:9fa0d7357c878c7e9e9138e6096@news.microsoft.com...
NS>
>> Sorry, I just saw that the name and e-mail used for posting is
>> wrongly
>> changed with another profile.
>> By the way.
>> Well, I believe to have said all on the first post, but let me try to
>> explain it again. Maybe that I wasn't so clear as I mean.
>>
>> This is an extract of the web.config file
>>
>> <configSections>
>> <section name="mySection" type="MyCompany.MySection"/>
>> </configSections>
>> <mySection>
>> <Item name="Giuseppe"/>
>> </mySection>
>> Then ... to handle mySection I wrote a class that inherits from
>> ConfigurationSection in which is defined a metod Item that return
>> a class that inherits from ConfigurationElement. In this class you
>> must
>> define each property of Item, otherwise compiler generate an error
>> during
>> the startup.
>> So here it is the class.
>>
>> public class Item : ConfigurationElement {
>> [ConfigurationProperty("name",
>> DefaultValue = ",
>> IsRequired = false)]
>> public string name
>> {
>> get { return (string)this["name"]; }
>> set { this["name"] = value; }
>> }
>> }
>> Now you want to be sure that name is in a certain range if it is
>> numeric
>> or that doesn't contains some invalid characters.
>> So in case like this you could use the XValidator class; then in case
>> of
>> the string you probably use the stringValidator, right?
>> But StringValidator perform a RegEx search, so if you want to match
>> your value with something that is in a list, this isn't suit your
>> goal.
>>
>> Your last chance is to implement your own Validator Class.
>>
>> So this is what I do.
>>
>> [AttributeUsage(AttributeTargets.Property, AllowMultiple=false)]
>> public sealed class NameAttribute : ConfigurationValidatorAttribute
>> {
>> public ContentTypeAttribute()
>> {
>> }
>> public override ConfigurationValidatorBase ValidatorInstance { get
>> {
>> return new NameValidator(""); // Here there is a problem
>> }
>> }
>> }
>> public class NameValidator : ConfigurationValidatorBase
>> {
>> String[] ct = new String[] {"Andrea", "Giuseppe"};
>> public NameValidator (String name)
>> {
>> if (base.CanValidate(name.GetType()))
>> this.Validate(NameValidator); }
>> public override void Validate(object value)
>> {
>> if (Array.IndexOf(ct, value) == -1)
>> throw new Exception("Value isn't allowed");
>> }
>> }
>> Basically it should be the same that a XValidator does, but there is
>> one
>> thing that isn't so clear to me :
>> how the current value stored in the property Name of the Element Item
>> arrive to my validator.
>> Bye
>> Andrea
>> NS> Well, first of all, the web.config file is an XML file, so you
>> won't
>> NS> be able to write VB.NET or C#.NET code in it to begin with. The
>> NS> web.config file is simply a list of settings, so I think I am a
>> NS> little confused about what you are planning to do with your
>> NS> validation code. If you simply want to write a class, create a
>> .VB
>> NS> or .CS file (depending on what language you are using). If you
>> NS> simply want a function or sub that does the validation, you can
>> NS> either write a class containing nothing except that function or
>> sub,
>> NS> or you could add the function or sub to the Global class (located
>> in
>> NS> the Global.asax.vb or Global.asax.cs file). If you could try to
>> NS> clarify what you are planning on doing with this validator, it
>> might
>> NS> help me and anyone else figure out what you are looking for.
>> (NOTE:
>> NS> When posting a Reply, it is good to include the previous message
>> so
>> NS> that people can see anything you have already tried, mentioned,
>> as
>> NS> well as what the original problem was)
>> NS> NS> "Giuseppe Esposito" <giusespo@no_spam_libero.it> wrote in
>> message
>> NS> news:9fa0d7356e678c7e8aff2c4d230@news.microsoft.com...
>> NS>
>>>> Well, I need to use it in the web.config file, not in an asp page,
>>>> so I suppose that a CustomValidator doesn't suit my needs, does it?
>>>>
>>>> ByeGiuseppe
>>>>