Mega Code Archive

 
Categories / ASP.Net / Validation By Control
 

Asp CustomValidator

<%@ Page Language="C#" %> <script runat="server">     void valProductCode_ServerValidate(Object source, ServerValidateEventArgs args)     {         if (args.Value.Length == 4)             args.IsValid = true;         else             args.IsValid = false;     } </script> <html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server">     <title>Show Validate Empty Text</title> </head> <body>     <form id="form1" runat="server">     <div>          <asp:Label           id="lblProductCode"         Text="Product Code:"         AssociatedControlID="txtProductCode"         Runat="server" />     <br />     <asp:TextBox         id="txtProductCode"         Runat="server" />     <asp:CustomValidator         id="valProductCode"         ControlToValidate="txtProductCode"         Text="(Invalid product code)"         ValidateEmptyText="true"         OnServerValidate="valProductCode_ServerValidate"          Runat="server" />          <br /><br />          <asp:Button         id="btnSubmit"         Text="Submit"         Runat="server" />              </div>     </form> </body> </html>