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HttpContext.User Property

Gets or sets security information for the current HTTP request.

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

member User : IPrincipal with get, set

Property Value

Type: System.Security.Principal.IPrincipal
Security information for the current HTTP request.

The User property provides programmatic access to the properties and methods of the IPrincipal interface.

Because ASP.NET pages contain a default reference to the System.Web namespace (which contains the HttpContext class), you can reference the members of HttpContext on an .aspx page without using the fully qualified class reference to HttpContext. For example, you can use User.Identity.Name to get the name of the user on whose behalf the current process is running. However, if you want to use the members of IPrincipal from an ASP.NET code-behind module, you must include a reference to the System.Web namespace in the module and a fully qualified reference to both the currently active request/response context and the class in System.Web that you want to use. For example, in a code-behind page you must specify the fully qualified name HttpContext.Current.User.Identity.Name.

The following example shows how to access properties of the current user through the User property. Those properties are used to set the title of the Web page.

If the application uses Windows authentication, the user name includes the domain. For example, the page title would be “Home page for DOMAIN\username”.

No code example is currently available or this language may not be supported.

.NET Framework

Supported in: 4.5, 4, 3.5, 3.0, 2.0, 1.1, 1.0

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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