ASP.NET Tutorial/Authentication Authorization/User
Содержание
Checking whether the user is authenticated
<source lang="csharp">
Dim AuthUser As Boolean AuthUser = User.Identity.IsAuthenticated()</source>
Checking whether the user is part of a specific role
<source lang="csharp">
If (User.IsInRole("ReutersServer\Subscribers")) Then
" Private information for subscribers
Else
" Public information
End If</source>
Getting the username of the logged-in user
<source lang="csharp">
Dim UserName As String UserName = User.Identity.Name</source>
Output the name of the currently logged-on user as authenticated by the ASP.NET application
<source lang="csharp">
<%@ Page Language="C#" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" > <head runat="server">
<title>Welcome page</title>
</head> <body>
<form id="form1" runat="server">
Welcome, <%=User.Identity.Name %>
</form>
</body> </html></source>
Using an If/Then statement that checks authentication
<source lang="csharp">
If (User.Identity.IsAuthenticated()) Then
" Do some actions here for authenticated users
Else
" Do other actions here for unauthenticated users
End If</source>
Using the AuthenticationType property
<source lang="csharp">
Dim AuthType As String AuthType = User.Identity.AuthenticationType</source>
Using the WindowsBuiltInRole enumeration
<source lang="csharp">
Dim AdminUser As Boolean AdminUser = User.IsInRole(WindowsBuiltInRole.Administrator)</source>
