.NET Framework Class Library
FormsAuthenticationConfigurationCookieless Property

Gets or sets a value indicating whether forms-based authentication should use cookies.

Namespace:   System.Web.Configuration
Assembly:  System.Web (in System.Web.dll)
<[%$TOPIC/h46ckxh1_en-us_VS_110_1_0_0_0_0%]("cookieless", DefaultValue := [%$TOPIC/h46ckxh1_en-us_VS_110_1_0_0_0_1%].UseDeviceProfile)> _
Public Property Cookieless As [%$TOPIC/h46ckxh1_en-us_VS_110_1_0_0_0_2%]
[[%$TOPIC/h46ckxh1_en-us_VS_110_1_0_1_0_0%]("cookieless", DefaultValue = [%$TOPIC/h46ckxh1_en-us_VS_110_1_0_1_0_1%].UseDeviceProfile)]
public [%$TOPIC/h46ckxh1_en-us_VS_110_1_0_1_0_2%] Cookieless { get; set; }
[[%$TOPIC/h46ckxh1_en-us_VS_110_1_0_2_0_0%](L"cookieless", DefaultValue = [%$TOPIC/h46ckxh1_en-us_VS_110_1_0_2_0_1%]::UseDeviceProfile)]
property [%$TOPIC/h46ckxh1_en-us_VS_110_1_0_2_0_2%] Cookieless {
	[%$TOPIC/h46ckxh1_en-us_VS_110_1_0_2_0_3%] get ();
	void set ([%$TOPIC/h46ckxh1_en-us_VS_110_1_0_2_0_4%] value);
[<[%$TOPIC/h46ckxh1_en-us_VS_110_1_0_3_0_0%]("cookieless", DefaultValue = [%$TOPIC/h46ckxh1_en-us_VS_110_1_0_3_0_1%].UseDeviceProfile)>]
member Cookieless : [%$TOPIC/h46ckxh1_en-us_VS_110_1_0_3_0_2%] with get, set

Property Value

Type: System.WebHttpCookieMode
One of the HttpCookieMode values. The default value is UseDeviceProfile.

The Cookieless property defines whether forms-based authentication should use a cookie to exchange user information.


The following code example demonstrates how to access the Cookieless property. Refer to the code example in the FormsAuthenticationConfiguration class topic to learn how to get the section.

' Get current Cookieless. 
  Dim currentCookieless _
  As System.Web.HttpCookieMode = _

' Set current Cookieless.
formsAuthentication.Cookieless = HttpCookieMode.AutoDetect
// Get current Cookieless.
            System.Web.HttpCookieMode currentCookieless = 

            // Set current Cookieless.
            formsAuthentication.Cookieless = 
Version Information

.NET Framework

Supported in: 4.6, 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.