Overrides the target URL for the current request.
Assembly: System.Web (in System.Web.dll)
The method returns null unless it is overridden in a class that is derived from the DefaultHttpHandler class.
The method is called only if ASP.NET is running in worker process isolation mode on IIS 6.0, and if the response was not modified before the DefaultHttpHandler object was called. The response is modified by any of the following:
Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.