Wondering how to use the Atlas UpdatePanel control? Microsoft ASP.NET is a free technology that allows programmers to create dynamic web applications. ASP.NET can be used to create anything from small, personal websites through to large, enterprise-class web applications. All you need to get started with ASP.NET is the free .NET Framework and the free Visual Web Developer. In this tutorial, you'll learn how to use the ASP.NET Ajax ATLAS UpdatePanel control. The UpdatePanel is a control which provides many of the benefits of AJAX without the pain of developing in a fully client-side environment. For more information, or to get started running ATLAS UpdatePanel for yourself, take a look.