ASP.NET AJAX Extensions 1.0

One of the excellent features of ASP.NET AJAX Extensions 1.0 is the UpdatePanel control. The UpdatePanel control enables partial-page rendering in an ASP.NET Web page asynchronously. The contents of the UpdatePanel control will automatically update when a postback event is invoked. This control does work the same as the MagicAjax.net panel control. The UpdateProgress control is very useful when working with the UpdatePanel control. With an UpdateProgress control, you can show the status during the partial-page rendering of an UpdatePanel