Gets a collection of request headers and request values to transfer along with the request.
Assembly: System.Web (in System.Web.dll)
The property returns an empty collection unless it is populated in a class that is derived from the DefaultHttpHandler class. The headers that are added are appended to the collection of headers in the request before passing the request back to Internet Information Services (IIS).
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.