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HttpCacheVaryByHeaders.UserCharSet Property

Gets or sets a value indicating whether the ASP.NET output cache varies the cached responses by the Accept-Charset header, and appends it to the out-going Vary HTTP header.

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

public bool UserCharSet { get; set; }

Property Value

Type: System.Boolean
true when the ASP.NET output cache varies by the Accept-Charset header and adds it to the Vary HTTP header sent to the client; otherwise, false. The default value is false.

The Vary header indicates the request-header fields that the server uses to determine which of multiple cached responses is sent in response to a client request. The Accept-CharSet field specifies that the server selects the response based on the client's character set.

For more information, see RFC 2616: Hypertext Transfer Protocol -- HTTP/1.1, available on the World Wide Web Consortium (W3C) Web site. See section 14, "Header Field Definitions", for complete details.

The following code example demonstrates how some action is performed only if the UserCharSet property is true.

Response.Cache.VaryByHeaders.UserCharSet = true;

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0

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