asp:CustomValidator validation (VB.net) : CustomValidator « Validation by Control « ASP.Net






  1. ASP.Net
  2. Validation by Control
  3. CustomValidator

asp:CustomValidator validation (VB.net)

<%@ Page Language=VB Debug=true %>
<%@ Import Namespace="System.Data" %>
<script runat=server>
Sub ServerValidation9 (source As object, E As ServerValidateEventArgs)
    If E.Value mod 9 = 0 Then
        E.IsValid = True
    Else
        E.IsValid = False
    End If
End Sub
</SCRIPT>
<HTML>
<HEAD>
<TITLE>CustomValidator Control Sample Page</TITLE>
</HEAD>
<BODY >
<form runat="server">
<Font Face="Tahoma">
<BR><BR>
<asp:Label
    id="lblMessage"
    runat="server"
    Font-Bold="True"
    Text="Enter a multiple of 9"
/>
<asp:TextBox 
    id="txt9" 
    Columns="25"
    MaxLength="30"
    runat=server 
/>
<asp:CustomValidator 
    id="custom9"
    ControlToValidate="txt9"
    OnServerValidate="ServerValidation9"
    Display="Dynamic"
    Font-Name="Verdana"
    Font-Bold="True"
    Font-Size="10pt"
    runat="server">
    <BR>You must enter a number that is divisible by 9!
</asp:CustomValidator>
<BR><BR>
<asp:button 
    id="butOK"
    text="OK"
    Type="Submit"
    runat="server"
/>

</Font>
</Form>
</BODY>
</HTML>








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