System.Web Namespace


.NET Framework Class Library
HttpCachePolicy Class

Contains methods for setting cache-specific HTTP headers and for controlling the ASP.NET page output cache.

Namespace:  System.Web
Assembly:  System.Web (in System.Web.dll)
Syntax
Visual Basic (Declaration) 
<AspNetHostingPermissionAttribute(SecurityAction.LinkDemand, Level := AspNetHostingPermissionLevel.Minimal)> _
Public NotInheritable Class HttpCachePolicy
Visual Basic (Usage) 
Dim instance As HttpCachePolicy
C# 
[AspNetHostingPermissionAttribute(SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
public sealed class HttpCachePolicy
Visual C++ 
[AspNetHostingPermissionAttribute(SecurityAction::LinkDemand, Level = AspNetHostingPermissionLevel::Minimal)]
public ref class HttpCachePolicy sealed
JScript 
public final class HttpCachePolicy
Remarks

For background information about HTTP headers and controlling caching, see RFC 2616: Hypertext Transfer Protocol -- HTTP/1.1, available on the World Wide Web Consortium (W3C) Web site.

HttpCachePolicy is introduced in the .NET Framework version 3.5. For more information, see .NET Framework 3.5 Architecture.

TopicLocation
How to: Cache Page Output with Cache Key DependenciesBuilding ASP .NET Web Applications
How to: Cache Page Output with Cache Key DependenciesBuilding ASP .NET Web Applications
How to: Cache Page Output with Cache Key DependenciesBuilding ASP .NET Web Applications in Visual Studio
How to: Cache Page Output with Cache Key DependenciesBuilding ASP .NET Web Applications in Visual Studio
How to: Cache Page Output with File DependenciesBuilding ASP .NET Web Applications
How to: Cache Page Output with File DependenciesBuilding ASP .NET Web Applications
How to: Cache Page Output with File DependenciesBuilding ASP .NET Web Applications in Visual Studio
How to: Cache Page Output with File DependenciesBuilding ASP .NET Web Applications in Visual Studio
How to: Cache Versions of a Page Using HTTP HeadersBuilding ASP .NET Web Applications
How to: Cache Versions of a Page Using HTTP HeadersBuilding ASP .NET Web Applications
How to: Cache Versions of a Page Using HTTP HeadersBuilding ASP .NET Web Applications in Visual Studio
How to: Cache Versions of a Page Using HTTP HeadersBuilding ASP .NET Web Applications in Visual Studio
How to: Cache Versions of a Page Using Requesting BrowserBuilding ASP .NET Web Applications
How to: Cache Versions of a Page Using Requesting BrowserBuilding ASP .NET Web Applications
How to: Cache Versions of a Page Using Requesting BrowserBuilding ASP .NET Web Applications in Visual Studio
How to: Cache Versions of a Page Using Requesting BrowserBuilding ASP .NET Web Applications in Visual Studio
How to: Retrieve Values of Cached ItemsBuilding ASP .NET Web Applications
How to: Retrieve Values of Cached ItemsBuilding ASP .NET Web Applications
How to: Retrieve Values of Cached ItemsBuilding ASP .NET Web Applications in Visual Studio
How to: Retrieve Values of Cached ItemsBuilding ASP .NET Web Applications in Visual Studio
How to: Set Expiration Values for ASP.NET Page CachingBuilding ASP .NET Web Applications
How to: Set Expiration Values for ASP.NET Page CachingBuilding ASP .NET Web Applications
How to: Set Expiration Values for ASP.NET Page CachingBuilding ASP .NET Web Applications in Visual Studio
How to: Set Expiration Values for ASP.NET Page CachingBuilding ASP .NET Web Applications in Visual Studio
How to: Set the Cacheability of an ASP.NET Page DeclarativelyBuilding ASP .NET Web Applications
How to: Set the Cacheability of an ASP.NET Page DeclarativelyBuilding ASP .NET Web Applications
How to: Set the Cacheability of an ASP.NET Page DeclarativelyBuilding ASP .NET Web Applications in Visual Studio
How to: Set the Cacheability of an ASP.NET Page DeclarativelyBuilding ASP .NET Web Applications in Visual Studio
How to: Set the Cacheability of an ASP.NET Page ProgrammaticallyBuilding ASP .NET Web Applications
How to: Set the Cacheability of an ASP.NET Page ProgrammaticallyBuilding ASP .NET Web Applications
How to: Set the Cacheability of an ASP.NET Page ProgrammaticallyBuilding ASP .NET Web Applications in Visual Studio
How to: Set the Cacheability of an ASP.NET Page ProgrammaticallyBuilding ASP .NET Web Applications in Visual Studio
Walkthrough: Using Output Caching to Enhance Web Site PerformanceBuilding ASP .NET Web Applications in Visual Studio
Walkthrough: Using Output Caching to Enhance Web Site PerformanceBuilding Applications with Visual Web Developer
Walkthrough: Using Output Caching to Enhance Web Site PerformanceBuilding ASP .NET Web Applications in Visual Studio
Inheritance Hierarchy
System..::.Object
  System.Web..::.HttpCachePolicy
Thread Safety
Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.
Platforms

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

The .NET Framework and .NET Compact Framework do not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.
Version Information

.NET Framework

Supported in: 3.5, 3.0, 2.0, 1.1, 1.0
See Also

Reference

HttpCachePolicy Members
System.Web Namespace
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