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HttpCacheValidateHandler Delegate
Visual Studio 2010
Represents a method that is called to validate a cached item before the item is served from the cache.
Assembly: System.Web (in System.Web.dll)
public delegate void HttpCacheValidateHandler( HttpContext^ context, Object^ data, HttpValidationStatus% validationStatus )
Parameters
- context
- Type: System.Web::HttpContext
The HttpContext object containing information about the current request.
- data
- Type: System::Object
User-supplied data used to validate the cached item.
- validationStatus
- Type: System.Web::HttpValidationStatus%
An HttpValidationStatus enumeration value. Your delegate should set this value to indicate the result of the validation.
If a cached item is invalidated within the scope of the HttpCacheValidateHandler method, it is evicted from the cache and the request for the item is treated as a cache miss.
| Topic | Location |
|---|---|
| How to: Check the Validity of a Cached Page | Building ASP .NET Web Applications |
| How to: Check the Validity of a Cached Page | Building ASP .NET Web Applications |
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.
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