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Page.User Property

Gets information about the user making the page request.

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

'Declaration
<BrowsableAttribute(False)> _
Public ReadOnly Property User As IPrincipal
'Usage
Dim instance As Page 
Dim value As IPrincipal 

value = instance.User

Property Value

Type: System.Security.Principal.IPrincipal
An IPrincipal that represents the user making the page request.

An IPrincipal object represents the security context of the user on whose behalf the code is running, including that user's identity and any roles to which they belong.

This property uses the HttpContext object's User property to determine where the request originates.

The following code example uses the User property to access authentication and identity information for the current user. If the user is not authenticated, it redirects them to a login page.

Sub UserInfo(sender As Object, e As EventArgs)         
   Dim myPrincipal As IPrincipal = Me.User
   Dim tableString As   String 
        tableString = "<table border=""1""><tr><td>Name</td><td>"
   tableString &= Server.HtmlEncode(myPrincipal.Identity.Name) + "</td></tr><tr><td>"
   tableString &= "AuthenticationType</td><td>" + myPrincipal.Identity.AuthenticationType
   tableString &= "</td></tr><tr><td>IsAuthenticated</td><td>"
   tableString &= myPrincipal.Identity.IsAuthenticated.ToString() + "</td></tr></table>"
   Response.Write(tableString)
End Sub

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

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

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