"Craig" <Cr***@discussions.microsoft.com> wrote in message
news:E74E5F13-EBDA-4A64-A8B0-8530FFCD3C68@microsoft.com...
> Ok so ASP.Net 2.0 Validation Groups are great and lovely...
>
> But has anyone managed to sort out a solution to Validators that directly
> Implement IValidator (as opposed to inheriting from BaseValidator) error
> message's not appearing in the ValidationSummary.
>
> Starting point for my control was....
> http://codeproject.com/aspnet/selfvalidatingtextbox.asp,
> http://www.codetools.com/aspnet/SelfValidatingTextBox2.asp
>
> I've overridden the Validate method and GetValidators on the page to work
> with validationGroups...the default page ones cast all registered
> validators
> to BaseValidator....
>
> But validationSummary doesn't want to play ball..Reflecting the
> ValidationSummary.GetErrorMessages :
>
> Dim collection1 As ValidatorCollection =
> Me.Page.GetValidators(Me.ValidationGroup)
>
> But this isn't firing my custom Page.GetValidators call....which I find
> odd...
>
> My workaround at the moment is to copy the reflected code of
> ValidationSummary into a customValidationSummary control and alter that so
> that it grabs the method via reflection...
>
> 'Dim collection1 As ValidatorCollection =
> Me.Page.GetValidators(Me.ValidationGroup)
>
>        Dim collection1 As ValidatorCollection
>        Dim oMethodInfo As System.Reflection.MethodInfo =
> Me.Page.GetType.GetMethod("GetValidators")
>        collection1 = oMethodInfo.Invoke(Me.Page, New Object()
> {Me.ValidationGroup})
>
>        Dim collection2 As ValidatorCollection =
> Me.Page.GetValidators(Me.ValidationGroup)
>
> This isn't that elegant so I thought I'd pitch for other
> suggestions...(apart from, Create a baseValidator inherited validation
> control...and replace the single self validating control with a textbox
> and
> the new validation control.)
>
> Cheers..
>
> C.
>
>
> Public Overrides Sub Validate(ByVal validationGroup As String)
>        MyBase.Validate(validationGroup)
>        Dim vals As ValidatorCollection = GetValidators(validationGroup)
>        If String.IsNullOrEmpty(validationGroup) AndAlso
> Me.Validators.Count
> = vals.Count Then
>            Me.Validate()
>        Else
>            Dim i As Integer = 0
>            Do While (i < vals.Count)
>                vals.Item(i).Validate()
>                i += 1
>            Loop
>
>        End If
>
>    End Sub
>
>    Public Overloads Function GetValidators(ByVal validationgroup As
> String)
> As ValidatorCollection
>        Dim coll As New ValidatorCollection
>
>        For Each obj As Object In Page.Validators
>            Dim val As BaseValidator = TryCast(obj, BaseValidator)
>
>            If Not val Is Nothing AndAlso
> String.Compare(val.ValidationGroup, validationgroup,
> StringComparison.Ordinal) = 0 Then
>                coll.Add(val)
>            Else
>
>                Dim ival As IValidator = TryCast(obj, IValidator)
>                If Not ival Is Nothing Then
>
>                    'IValidator dsoesn't expose validation group
>                    Dim objtype As Type = obj.GetType()
>
>                    Dim prop As System.Reflection.PropertyInfo =
> objtype.GetProperty("ValidationGroup",
> System.Reflection.BindingFlags.Public
> Or System.Reflection.BindingFlags.Instance)
>                    Dim group As String = prop.GetValue(obj,
> Nothing).ToString()
>
>                    If String.Compare(group, validationgroup,
> StringComparison.Ordinal) = 0 Then
>                        coll.Add(ival)
>                    End If
>
>                End If
>
>
>            End If
>
>        Next
>
>        Return coll
>    End Function
>