This documentation is archived and is not being maintained.

AnonymousIdentificationSection.CookieSlidingExpiration Property

Gets or sets whether the cookie time-out value is reset on each request.

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

[ConfigurationPropertyAttribute("cookieSlidingExpiration", DefaultValue = true)]
public bool CookieSlidingExpiration { get; set; }

Property Value

Type: System.Boolean
true if the sliding expiration is enabled; otherwise, false. The default is false.

When CookieSlidingExpiration is set to true, for each request issued during a single session the time interval during which the cookie is valid is reset to the amount of time specified in the CookieTimeout property. When CookieSlidingExpiration is set to false, the cookie expires at a set point in time.

The following code example shows how to access the CookieSlidingExpiration property.

// Get CookieSlidingExpiration.
bool cookieSlidingExpiration = 
Console.WriteLine("Cookie sliding expiration: {0}",

.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.