Hello,
<asp:CustomValidator ID="CustomValidator1" runat="server" OnServerValidate="ServerValidation"
ErrorMessage="CustomValidator" ValidateEmptyText="True"></asp:CustomValidator>
Protected Sub ServerValidation(source As Object, args As System.Web.UI.WebControls.ServerValidateEventArgs)
For Each dl As DataListItem In DataList1.Items
Dim rbl As RadioButtonList = dl.FindControl("RadioButtonList1")
If rbl5.SelectedIndex = -1 Then
args.IsValid = True
Else
args.IsValid = False
End If
Next
End Sub
ImageButton is an Insert Button.
Protected Sub ImageButton1_Click(sender As Object, e As System.Web.UI.ImageClickEventArgs)
If (Page.IsValid) Then
...
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