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ControlCachePolicy.VaryByControl Property

Gets or sets a list of control identifiers to vary the cached output by.

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

public string VaryByControl { get; set; }

Property Value

Type: System.String
A semicolon-separated list of strings used to vary a user control's output cache. These strings represent the ID property values of ASP.NET server controls declared in the user control.

ExceptionCondition
HttpException

The user control is not associated with a BasePartialCachingControl and is not cacheable.

- or -

The VaryByControl property is set outside of the initialization and rendering stages of the control.

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

Windows 8.1, Windows Server 2012 R2, 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.

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