A new version of the ASP.NET Ajax Library has been released at CodePlex:
* The ASP.NET Ajax Library includes the Ajax Control Toolkit. You can continue to use the Ajax Control Toolkit in ASP.NET Web Forms applications by dragging-and-dropping controls from the Visual Studio Toolbox. The new Ajax Control Toolkit also can be used in ASP.NET MVC and even pure HTML applications.
* The ASP.NET Ajax Library has a new CodePlex project located at http://Ajax.CodePlex.com
* The ASP.NET Ajax Library has a new documentation/tutorial/sample code website located at http://www.ASP.net/ajaxLibrary
* The ASP.NET Ajax Library is being hosted on the Microsoft Ajax Content Delivery Network. Learn more about the Microsoft Ajax CDN at http://www.ASP.net/ajaxLibrary/CDN.ashx
* Microsoft has contributed the ASP.NET Ajax Library to the CodePlex Foundation. Learn more about the CodePlex Foundation by visiting http://CodePlex.org
The ASP.NET Ajax Library Beta release enables you to build database-driven Web applications that run entirely in the Web browser. The library provides the following features for developers:
- Powerful developer libraries and tooling support
- Performance – build high performance websites
- Interoperability – use it with any server platform and alongside jQuery
- Extensible – build on top of the library and inherit from controls like DataView
from:http://forums.asp.net/t/1494489.aspx