OutputCacheProfile.VaryByHeader Property
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Gets or sets the VaryByHeader property.
public:
property System::String ^ VaryByHeader { System::String ^ get(); void set(System::String ^ value); };
[System.Configuration.ConfigurationProperty("varyByHeader")]
public string VaryByHeader { get; set; }
[<System.Configuration.ConfigurationProperty("varyByHeader")>]
member this.VaryByHeader : string with get, set
Public Property VaryByHeader As String
Property Value
The VaryByHeader value.
- Attributes
Examples
The following code example shows how to use the VaryByHeader property.
// Get the current VaryByHeader.
String varyByHeaderValue =
outputCacheProfile.VaryByHeader;
// Set the VaryByHeader.
outputCacheProfile.VaryByHeader =
string.Empty;
' Get the current VaryByHeader.
Dim varyByHeaderValue As String = _
outputCacheProfile.VaryByHeader
' Set the VaryByHeader.
outputCacheProfile.VaryByHeader = _
String.Empty
Remarks
The VaryByHeader is a semicolon-delimited set of headers used to vary the cached output. These are HTTP headers associated with the request. For more information, see Caching Multiple Versions of a Page.
Note
The VaryByHeader settings are the same ones used by the VaryByHeader
attribute of the @ OutputCache. Varying by all headers by setting the value of "*" is not recommended. It can result in cache overflow or a denial of service attack on the Web server.
Applies to
See also
.NET
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