HttpResponse.Cache Property

Definition

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

C#
public System.Web.HttpCachePolicy Cache { get; }

Property Value

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.

C#
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"])
{
   //...
}

Applies to

Product Versions
.NET Framework 1.1, 2.0, 3.0, 3.5, 4.0, 4.5, 4.5.1, 4.5.2, 4.6, 4.6.1, 4.6.2, 4.7, 4.7.1, 4.7.2, 4.8, 4.8.1