<%@ Page Language="C#" AutoEventWireup="true" %> <script runat="server"> protected void slow_postback(object sender, EventArgs e) { // ten seconds is overkill... we timeout after one second (see ScriptManager below) System.Threading.Thread.Sleep(10000); } </script> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head id="Head1" runat="server"> <title>Handling an async postback timeout</title> </head> <body> <form id="form1" runat="server"> <!-- This sets the timeout on async postbacks (i.e. UpdatePanel refreshes) to one second --> <asp:ScriptManager ID="ScriptManager1" runat="server" AsyncPostBackTimeout="1" /> <asp:UpdatePanel ID="UpdatePanel1" runat="server"> <ContentTemplate> <asp:Button ID="Button1" runat="server" Text="Fast postback - no timeout" /> <br /> <asp:Button ID="Button2" runat="server" Text="Slow postback - times out after one second" OnClick="slow_postback" /> <br /> Last updated: <%= DateTime.Now %> </ContentTemplate> </asp:UpdatePanel> </form> </body> <script type="text/javascript"> Sys.WebForms.PageRequestManager.getInstance().add_endRequest(function (sender, args) { if (args.get_error() && args.get_error().name === 'Sys.WebForms.PageRequestManagerTimeoutException') { alert('Caught a timeout!'); // remember to set errorHandled = true to keep from getting a popup from the AJAX library itself args.set_errorHandled(true); } }); </script> </html>
1 comment:
Thanks - very helpful!
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