ASP.NET.in.a.Nutshell.Second.Edition [Electronic resources] نسخه متنی

This class is used to set the VaryByHeaders
property of the HttpCachePolicy class. It allows
you to specify that separate versions of a page should be cached for
different languages or character sets. For example, if you set the
UserCharSet property of this class to
True, the
"Accept-Charset" field will be
included in the HTTP Vary header and a separate version of the page
will be cached for each request that has a different character set.
The cache page will be reused only among requests that have the same
Accept-Charset header.

Alternatively, if type safety is not important, you can set the
default Item property to a string that contains the name of a header,
or a list of header names separated by semi-colons (;). Cached pages
will then be reused only among requests that have the same values for
the headers you identify.

public sealed class 
HttpCacheVaryByHeaders  {
// Public Instance Properties
public bool 
AcceptTypes {set; get; }
public bool 
this [string 
header ]{set; get; }
public bool 
UserAgent {set; get; }
public bool 
UserCharSet {set; get; }
public bool 
UserLanguage {set; get; }
// Public Instance Methods
public void 
VaryByUnspecifiedParameters ( );
}

Returned By

HttpCachePolicy.VaryByHeaders