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PersonalizationAdministration.ResetInactiveUserState Method (DateTime)

Resets all per-user personalization state information in the underlying data store, based on the specified parameter.

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

public static int ResetInactiveUserState(
	DateTime userInactiveSinceDate


Type: System.DateTime
The last date a user's personalization information was accessed.

Return Value

Type: System.Int32
The number of rows in the underlying data store that were reset.


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 returned a negative number for the count.

This method resets all per-user state information in the underlying data store, where the user's LastActivityDate property value is less than or equal to the UserInactiveSinceDate value.

If UserInactiveSinceDate is set to MaxValue, this method resets all per-user data in the underlying data store.

.NET Framework

Supported in: 4, 3.5, 3.0, 2.0

Windows 7, Windows Vista SP1 or later, Windows XP SP3, Windows XP SP2 x64 Edition, Windows Server 2008 (Server Core not supported), Windows Server 2008 R2 (Server Core supported with SP1 or later), Windows Server 2003 SP2

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