HttpApplication.GetVaryByCustomString Method
.NET Framework 3.0
Provides an application-wide implementation of the VaryByCustom property.
Namespace: System.Web
Assembly: System.Web (in system.web.dll)
Assembly: System.Web (in system.web.dll)
public String GetVaryByCustomString ( HttpContext context, String custom )
public function GetVaryByCustomString ( context : HttpContext, custom : String ) : String
Not applicable.
Parameters
- context
An HttpContext that contains information about the current Web request.
- custom
The custom string that specifies which cached response is used to respond to the current request.
Return Value
If the value of custom is "browser", the browser's Type; otherwise, a null reference (Nothing in Visual Basic).You can override GetVaryByCustomString to add a new method for calculating custom vary-by values based on the current request. The implementation has to call the base class for custom values that it does not recognize. For more information, see How to: Cache Versions of a Page Using Custom Strings.
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