[This documentation is for preview only, and is subject to change in later releases. Blank topics are included as placeholders.]
Assembly: System.Web.Extensions (in System.Web.Extensions.dll)
Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008, Windows Server 2003
The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.