how to use update progress control in ajax?

Posted by aswinialuri-19361 under ASP.NET AJAX category on 7/29/2013 | Points: 40 | Views : 1931

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Update progress is used for time interval control
Code in .aspx page:

<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="WebApplication7.WebForm1" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
    <title></title>
</head>
<body>
    <form id="form1" runat="server">
    <div>
      <div>
        <asp:ScriptManager ID="ScriptManager1" runat="server">
        </asp:ScriptManager>
        <asp:UpdatePanel ID="UpdatePanel1" runat="server">
            <ContentTemplate>
                <fieldset>
                <legend>UpdatePanel</legend>
                <asp:Label ID="Label1" runat="server" Text="Initial page rendered."></asp:Label><br />
                <asp:Button ID="Button1" runat="server" Text="Button" OnClick="Button1_Click" />
                </fieldset>
            </ContentTemplate>
        </asp:UpdatePanel>
        <asp:UpdateProgress ID="UpdateProgress1" runat="server">
            <ProgressTemplate>
              <img src="ajax-loader (1).gif" alt="1" runat="server" />
            </ProgressTemplate>
        </asp:UpdateProgress>

    </div>  
       </div>
    </form>
</body>
</html>

code in .aspx.cs page:

 protected void Button1_Click(object sender, EventArgs e)
        {
          System.Threading.Thread.Sleep(3000);
        Label1.Text = "Page refreshed at " +
            DateTime.Now.ToString();     
        }

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