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VirtualPathProvider.Previous Property

Gets a reference to a previously registered VirtualPathProvider object in the compilation system.

Namespace:  System.Web.Hosting
Assembly:  System.Web (in System.Web.dll)

member Previous : VirtualPathProvider

Property Value

Type: System.Web.Hosting.VirtualPathProvider
The next VirtualPathProvider object in the compilation system.

When a VirtualPathProvider object is registered with the ASP.NET compilation system, it is added to a chain of providers. Use the Previous property to hand processing off to the previous VirtualPathProvider object in the chain if the requested path is not provided by this VirtualPathProvider instance.

The chain of path providers always ends with the default ASP.NET provider, which serves files from the file system.

The following code example is an implementation of the GetFile method. If the requested virtual directory does not begin with the string "/vrdir", the method uses the Previous property to pass the request to the next VirtualPathProvider object in the chain. For the full code required to run the example, see the Example section of the VirtualPathProvider class overview topic.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, 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.

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