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PersonalizationDictionary.Contains Method

Returns a value indicating whether a piece of custom state information with the same key is contained in the personalization dictionary.

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

public virtual bool Contains(
	string key
)

Parameters

key
Type: System.String

A key value.

Return Value

Type: System.Boolean
true if the provided key matches a key in the personalization dictionary; otherwise, false.

ExceptionCondition
ArgumentException

key is either an empty string (""), or trimming key results in an empty string.

ArgumentNullException

key is null.

Use this method to determine whether a piece of custom state information is contained in a personalization dictionary.

.NET Framework

Supported in: 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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