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Page.InitOutputCache Method (Int32, String, String, String, OutputCacheLocation, String)
Visual Studio 2010
This API supports the .NET Framework infrastructure and is not intended to be used directly from your code.
Initializes the output cache for the current page request.
Assembly: System.Web (in System.Web.dll)
'Declaration Protected Overridable Sub InitOutputCache ( _ duration As Integer, _ varyByContentEncoding As String, _ varyByHeader As String, _ varyByCustom As String, _ location As OutputCacheLocation, _ varyByParam As String _ )
Parameters
- duration
- Type: System.Int32
The amount of time that objects stored in the output cache are valid.
- varyByContentEncoding
- Type: System.String
A semicolon-separated list of character-sets (content encodings) that content from the output cache will vary by.
- varyByHeader
- Type: System.String
A semicolon-separated list of headers that content from the output cache will vary by.
- varyByCustom
- Type: System.String
The Vary HTTP header.
- location
- Type: System.Web.UI.OutputCacheLocation
One of the OutputCacheLocation values.
- varyByParam
- Type: System.String
A semicolon-separated list of parameters received by a GET or POST method that content from the output cache will vary by.
| Exception | Condition |
|---|---|
| ArgumentOutOfRangeException | An invalid value is specified for location. |
You should not call this method. To enable and manipulate output caching for a page, use either the @ OutputCache directive in the .aspx file, or methods and properties of the HttpCachePolicy class. The latter are accessible through Response.Cache syntax in the page's code. For more information, see Caching ASP.NET Pages.
Windows 7, Windows Vista SP1 or later, Windows XP SP3, 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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