HttpResponse.Cache Property (System.Web)

.NET Framework Class Library

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 ReadOnly Property Cache As HttpCachePolicy

public HttpCachePolicy Cache { get; }

public:
property HttpCachePolicy^ Cache {
	HttpCachePolicy^ get ();
}

member Cache : HttpCachePolicy

Property Value

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

Examples

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") Then
   '...
End If


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"])
{
   //...
}

Version Information

.NET Framework

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

Platforms

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.

Reference

HttpResponse Class

System.Web Namespace

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