Validate by a Server Validate function (VB.net) : By Your Function « Validation by Control « ASP.Net

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ASP.Net » Validation by Control » By Your Function 
Validate by a Server Validate function (VB.net)

<%@ Page Language=VB Debug=true %>
<script runat=server>
Sub Answer_ServerValidation(source As object, E As ServerValidateEventArgs)
    If E.Value = "VB" or E.Value = "VB.NET" or E.Value = "C#" _
        or E.Value = "C#.NET" or E.Value = "A bunch of others." Then
        E.IsValid = True
    Else
        E.IsValid = False
    End If
End Sub
</SCRIPT>
<HTML>
<HEAD>
<TITLE>Using a RegularExpressionValidator Control to Test a Zip Code</TITLE>
</HEAD>
<form runat="server">
<BR><BR>
What languages can you use with ASP.NET?<BR>
<asp:textbox 
    id="txtAnswer" 
    runat=server 
/>
<asp:customvalidator 
    id="custom9"
    controltovalidate="txtAnswer"
    OnServerValidate="Answer_ServerValidation"
    display="Dynamic"
    font-name="Verdana"
    font-bold="True"
    font-size="10pt"
    runat="server">
    <BR>Incorrect answer please try again!
</asp:CustomValidator>
<BR><BR>
<asp:button 
    id="butOK"
    text="OK"
    type="Submit"
    runat="server"
/>
</form>
</BODY>
</HTML>
           
       
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