ServerValidateEventArgs.Value Property
.NET Framework 2.0
Gets the value to validate in the custom event handler for the ServerValidate event.
Namespace: System.Web.UI.WebControls
Assembly: System.Web (in system.web.dll)
Assembly: System.Web (in system.web.dll)
The following example demonstrates how to use the Value property to determine the value to validate.
<%@ Page Language="C#" AutoEventWireup="True" %> <html> <head> <script runat="server"> void ValidateBtn_OnClick(object sender, EventArgs e) { // Display whether the page passed validation. if (Page.IsValid) { Message.Text = "Page is valid."; } else { Message.Text = "Page is not valid!"; } } void ServerValidation(object source, ServerValidateEventArgs args) { try { // Test whether the value entered into the text box is even. int i = int.Parse(args.Value); args.IsValid = ((i%2) == 0); } catch(Exception ex) { args.IsValid = false; } } </script> </head> <body> <form runat="server"> <h3>CustomValidator ServerValidate Example</h3> <asp:Label id="Message" Text="Enter an even number:" Font-Name="Verdana" Font-Size="10pt" runat="server"/> <p> <asp:TextBox id="Text1" runat="server" /> <asp:CustomValidator id="CustomValidator1" ControlToValidate="Text1" Display="Static" ErrorMessage="Not an even number!" ForeColor="green" Font-Name="verdana" Font-Size="10pt" OnServerValidate="ServerValidation" runat="server"/> <p> <asp:Button id="Button1" Text="Validate" OnClick="ValidateBtn_OnClick" runat="server"/> </form> </body> </html>
Windows 98, Windows 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.