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PartialCachingAttribute.VaryByCustom Property

.NET Framework 4.5

Gets a list of custom strings that the output cache will use to vary the user control.

Namespace: System.Web.UI
Assembly: System.Web (in System.Web.dll)

public string VaryByCustom { get; set; }

Property Value

Type: System.String
The list of custom strings.

Remarks

If you specify "browser" for this property, the user control will be varied by browser type and major version number. You can also use this property to extend the values that output cache varies the user control response.

Examples

The following code example demonstrates how the PartialCachingAttribute(Int32, String, String, String) constructor can be applied to a user control. In the example, the constructor is used to indicate that the user control can be cached and to specify that the cache entry is dependent on the browser type and major version number.

// Set the PartialCachingAttribute.Duration property to 
// 20 seconds and the PartialCachingAttribute.VaryByCustom 
// property to browser.
[PartialCaching(20, null, null, "browser")]
public partial class ctlSelect : UserControl

Version Information

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

Platforms

Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

Reference

PartialCachingAttribute Class

System.Web.UI Namespace

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