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HttpResponse.Expires Property

Gets or sets the number of minutes before a page cached on a browser expires. If the user returns to the same page before it expires, the cached version is displayed. Expires is provided for compatibility with earlier versions of ASP.

Namespace:  System.Web
Assembly:  System.Web (in System.Web.dll)
public int Expires { get; set; }

Property Value

Type: System.Int32
The number of minutes before the page expires.

The Expires, ExpiresAbsolute and CacheControl properties have been deprecated in favor of the methods of the HttpCachePolicy class available through the Cache intrinsic object to control the Internet Information Services (IIS) output cache and client caches.

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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