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PersonalizationDictionary.Item Property

Gets or sets an entry in the personalization dictionary.

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

public virtual PersonalizationEntry this[
	string key
] { get; set; }


Type: System.String

The key of the entry to be retrieved or changed.

Property Value

Type: System.Web.UI.WebControls.WebParts.PersonalizationEntry
A PersonalizationEntry representing custom personalization information identified by the key parameter.


key is null.


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

This property works with a PersonalizationEntry object representing custom personalization information that is identified by the key parameter. If there is no value for key, null is returned.

If key does not already exist, then key (and its associated value) are added to the dictionary.

Note that you can add a null value to the dictionary, and the indexer can also be used to update the personalization value.

.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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