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HttpResponse.Cache Property

Gets the caching policy (such as expiration time, privacy settings, and vary clauses) of a Web page.

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

public HttpCachePolicy Cache { get; }

Property Value

Type: System.Web.HttpCachePolicy
An HttpCachePolicy object that contains information about the caching policy of the current response.

The following example writes properties of the current cache policy to the HTTP output stream.


Response.Cache.SetExpires(DateTime.Now.AddSeconds(60));
Response.Cache.SetCacheability(HttpCacheability.Public);
Response.Cache.SetValidUntilExpires(false);
Response.Cache.VaryByParams["Category"] = true;

if (Response.Cache.VaryByParams["Category"])
{
   //...
}


.NET Framework

Supported in: 4, 3.5, 3.0, 2.0, 1.1, 1.0

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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