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HttpRuntimeSection.EnableKernelOutputCache Property

.NET Framework 4

Gets or sets a value that indicates whether output caching is enabled.

Namespace:  System.Web.Configuration
Assembly:  System.Web (in System.Web.dll)
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[ConfigurationPropertyAttribute("enableKernelOutputCache", DefaultValue = true)]
public bool EnableKernelOutputCache { get; set; }

Property Value

Type: System.Boolean
true if output caching is enabled; otherwise, false. The default value is true.

In order to cache a response, the following criteria need to be met:

  • Caching must be explicitly enabled by a page directive or by the caching API.

  • Caching must have an expiration policy so that the kernel knows when to discard it.

  • Caching cannot have any variable headers or parameters.

  • The request must not require any authentication.

Note Note

This property is relevant only when Internet Information Services (IIS) version 6.0 or later is installed.

The following example shows how to use the EnableKernelOutputCache property.

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// Get the current EnableKernelOutputCache property value.
Response.Write("EnableKernelOutputCache: " +
  configSection.EnableKernelOutputCache + "<br>");

// Set the EnableKernelOutputCache property to true.
configSection.EnableKernelOutputCache = true;

.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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