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PersonalizationAdministration.ResetUserState Method (String, String)

Resets per-user state in the underlying data store for the specified combination of user name and path.

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

public static bool ResetUserState(
	string path,
	string username


Type: System.String

The path to the page associated with the personalization state information to be reset.

Type: System.String

The user name associated with the personalization data to be reset.

Return Value

Type: System.Boolean
The number of rows that were reset.


path or username is null.


path or username is an empty string ("") after trimming.

- or -

username contains commas.

- or -

The provider for a personalization provider defined in configuration is not of the correct type.

- or -

The length of the string of any parameter is greater than 256 characters.


A configuration exception occurred while attempting to create and initialize an instance of one of the configured personalization providers.

- or -

The default personalization provider defined in configuration could not be found.


The default provider indicated that the number of deleted rows was a negative number.

It is not an error to attempt to reset nonexistent user state.

.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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