Assembly: System.Web (in system.web.dll)
The name of the collection member to get.
Property ValueThe QueryString, Form, Cookies, or ServerVariables collection member specified in the key parameter. If the specified key is not found, then a null reference (Nothing in Visual Basic) is returned.
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.