When overridden in a derived class, gets a collection of objects that are declared by object elements that are marked as server controls and scoped to the current session in the application's Global.asax file.
Assembly: System.Web.Abstractions (in System.Web.Abstractions.dll)
Windows 7, Windows Vista, Windows XP SP2, Windows Server 2008 R2, 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.