Assembly: System.Web (in system.web.dll)
The Literal control overrides the Focus method of the base class. The Focus method of a Literal control always throws an exception to indicate that the Focus method is not supported on a Literal control.
Windows 98, Windows 2000 SP4, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.