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HttpCachePolicy.VaryByHeaders Property

Gets the list of all HTTP headers that will be used to vary cache output.

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

'Declaration
Public ReadOnly Property VaryByHeaders As HttpCacheVaryByHeaders

Property Value

Type: System.Web.HttpCacheVaryByHeaders
An HttpCacheVaryByHeaders that specifies which HTTP headers are used to select the cached response.

When a cached item has several vary headers, a separate version of the requested document is available from the cache for each HTTP header type.

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

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

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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