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BuildManager.ReadCachedFile Method

Reads a cached file.

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

static member ReadCachedFile : 
        fileName:string -> Stream

Parameters

fileName
Type: System.String

The name of the file to read.

Return Value

Type: System.IO.Stream
The Stream object for the file, or a null reference (Nothing in Visual Basic) if the file does not exist.

This method and the CreateCachedFile method enable you to perform caching that persists across application domain restarts in partial-trust environments. It is used by the MVC framework to cache results of the controller lookup.

To retrieve cached data, you read from the Stream object that is returned by this method.

.NET Framework

Supported in: 4.6, 4.5, 4
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