<%@ Page Language="C#" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <script runat="server"> protected void btnSubmit_Click(object sender, EventArgs e) { System.Threading.Thread.Sleep(5000); } </script> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title>Show UpdateProgress</title> <style type="text/css"> .progress { font-family:Arial; position: absolute; background-color:lightyellow; border:solid 2px red; padding:5px; } </style> </head> <body> <form id="form1" runat="server"> <div> <asp:ScriptManager ID="ScriptManager1" runat="server" /> <asp:UpdatePanel ID="up1" runat="server"> <ContentTemplate> <%= DateTime.Now.ToString("T") %> <asp:Button id="btnSubmit" Text="Submit" Runat="server" OnClick="btnSubmit_Click" /> </ContentTemplate> </asp:UpdatePanel> <asp:UpdateProgress ID="progress1" AssociatedUpdatePanelID="up1" runat="server"> <ProgressTemplate> <div class="progress"> <asp:Image id="imgProgress" ImageUrl="~/Images/Progress.gif" Runat="server" /> Retrieving content... </div> </ProgressTemplate> </asp:UpdateProgress> </div> </form> </body> </html>