ASP.NET Tutorial/Authentication Authorization/LoginName
The LoginName control displays the current user"s registered username.
<source lang="csharp">
If the current user is not authenticated, the LoginName control renders nothing. <%@ Page Language="C#" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" > <head id="Head1" runat="server">
<title>Show LoginName</title>
</head> <body>
<form id="form1" runat="server">
<asp:LoginName id="LoginName1" FormatString="{0} /" Runat="server" /> <asp:LoginStatus id="LoginStatus1" Runat="server" />
Additional information is available to registered users. Log in to view the additional information.
</form>
</body> </html></source>