HttpCachePolicy.SetVaryByCustom Method (String)


Specifies a custom text string to vary cached output responses by.

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

member SetVaryByCustom : 
        custom:string -> unit


Type: System.String

The text string to vary cached output by.

Exception Condition

custom is null.


The SetVaryByCustom method has already been called.

SetVaryByCustom is introduced in the .NET Framework version 3.5. For more information, see .NET Framework Versions and Dependencies.

The following code example demonstrates how to set the custom vary string to "Accept-Charset", which causes the origin-server's cache to choose one of several cached responses depending on the browser's Accept-Charset header.

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

.NET Framework
Available since 1.1
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