Chapter 5. The UpdatePanel and Timer Controls
The UpdatePanel control is one of the more amazing controls of ASP.NET AJAX. It is a container control (similar to the ASP.NET Panel control) that enables you to use standard ASP.NET controls but will AJAX-enable them. In this chapter, you learn how to use the ASP.NET AJAX UpdatePanel control.
About the UpdatePanel Control
The UpdatePanel control enables you to quickly and easily create an AJAX-enabled application with little or no extra work. ...