Occurs when the handler is selected to respond to the request.
Assembly: System.Web (in System.Web.dll)
The event is used by the ASP.NET infrastructure to determine the request handler for the current request. For more information, see How to: Register HTTP Handlers.
For more information about how to handle events, see Consuming Events.
is introduced in the .NET Framework version 3.5. For more information, see .NET Framework 3.5 Architecture.
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.