HttpCachePolicy Class (System.Web)

HttpCachePolicy Class

.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

[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.

Topic	Location
How to: Cache Page Output with Cache Key Dependencies	Building ASP .NET Web Applications
How to: Cache Page Output with Cache Key Dependencies	Building ASP .NET Web Applications
How to: Cache Page Output with Cache Key Dependencies	Building ASP .NET Web Applications in Visual Studio
How to: Cache Page Output with Cache Key Dependencies	Building ASP .NET Web Applications in Visual Studio
How to: Cache Page Output with File Dependencies	Building ASP .NET Web Applications
How to: Cache Page Output with File Dependencies	Building ASP .NET Web Applications
How to: Cache Page Output with File Dependencies	Building ASP .NET Web Applications in Visual Studio
How to: Cache Page Output with File Dependencies	Building ASP .NET Web Applications in Visual Studio
How to: Cache Versions of a Page Using HTTP Headers	Building ASP .NET Web Applications
How to: Cache Versions of a Page Using HTTP Headers	Building ASP .NET Web Applications
How to: Cache Versions of a Page Using HTTP Headers	Building ASP .NET Web Applications in Visual Studio
How to: Cache Versions of a Page Using HTTP Headers	Building ASP .NET Web Applications in Visual Studio
How to: Cache Versions of a Page Using Requesting Browser	Building ASP .NET Web Applications
How to: Cache Versions of a Page Using Requesting Browser	Building ASP .NET Web Applications
How to: Cache Versions of a Page Using Requesting Browser	Building ASP .NET Web Applications in Visual Studio
How to: Cache Versions of a Page Using Requesting Browser	Building ASP .NET Web Applications in Visual Studio
How to: Retrieve Values of Cached Items	Building ASP .NET Web Applications
How to: Retrieve Values of Cached Items	Building ASP .NET Web Applications
How to: Retrieve Values of Cached Items	Building ASP .NET Web Applications in Visual Studio
How to: Retrieve Values of Cached Items	Building ASP .NET Web Applications in Visual Studio
How to: Set Expiration Values for ASP.NET Page Caching	Building ASP .NET Web Applications
How to: Set Expiration Values for ASP.NET Page Caching	Building ASP .NET Web Applications
How to: Set Expiration Values for ASP.NET Page Caching	Building ASP .NET Web Applications in Visual Studio
How to: Set Expiration Values for ASP.NET Page Caching	Building ASP .NET Web Applications in Visual Studio
How to: Set the Cacheability of an ASP.NET Page Declaratively	Building ASP .NET Web Applications
How to: Set the Cacheability of an ASP.NET Page Declaratively	Building ASP .NET Web Applications
How to: Set the Cacheability of an ASP.NET Page Declaratively	Building ASP .NET Web Applications in Visual Studio
How to: Set the Cacheability of an ASP.NET Page Declaratively	Building ASP .NET Web Applications in Visual Studio
How to: Set the Cacheability of an ASP.NET Page Programmatically	Building ASP .NET Web Applications
How to: Set the Cacheability of an ASP.NET Page Programmatically	Building ASP .NET Web Applications
How to: Set the Cacheability of an ASP.NET Page Programmatically	Building ASP .NET Web Applications in Visual Studio
How to: Set the Cacheability of an ASP.NET Page Programmatically	Building ASP .NET Web Applications in Visual Studio
Walkthrough: Using Output Caching to Enhance Web Site Performance	Building ASP .NET Web Applications in Visual Studio
Walkthrough: Using Output Caching to Enhance Web Site Performance	Building Applications with Visual Web Developer
Walkthrough: Using Output Caching to Enhance Web Site Performance	Building 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

Reference

HttpCachePolicy Members

System.Web Namespace