RouteCollection.RouteExistingFiles Property
Gets or sets a value that indicates whether ASP.NET routing should handle URLs that match an existing file.
Assembly: System.Web (in System.Web.dll)
Although this value can be changed dynamically, any change made after a service has been activated will be ignored when using ASP.NET routing integration. For more information, seeASP.NET Routing Integration.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2
The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.