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copied!<p>The only inbuilt method of customising the output is the <a href="http://msdn.microsoft.com/en-us/library/system.web.ui.webcontrols.loginname.formatstring.aspx" rel="nofollow"><code>LoginName.FormatString</code></a> property, unfortunately all this allows is for you to provide a format string which the username gets embedded into, such as "Welcome, DOMAIN\NAME" rather than just "DOMAIN\NAME".</p> <p>The only option I can see is to re-implement the LoginName control, either wholesale or by inheriting from <code>LoginName</code> and re-implementing the <code>RenderContents</code> method to format the username appropriately. From Reflector, the current code (for .net 2.0) for this is:</p> <pre><code>Protected Friend Overrides Sub RenderContents(ByVal writer As HtmlTextWriter) Dim userName As String = Me.UserName If Not String.IsNullOrEmpty(userName) Then userName = HttpUtility.HtmlEncode(userName) Dim formatString As String = Me.FormatString If (formatString.Length = 0) Then writer.Write(userName) Else Try writer.Write(String.Format(CultureInfo.CurrentCulture, formatString, New Object() { userName })) Catch exception As FormatException Throw New FormatException(SR.GetString("LoginName_InvalidFormatString"), exception) End Try End If End If End Sub </code></pre> <p><code>UserName</code> is a <code>Friend ReadOnly</code> property of the LoginName class which, via another internal class called LoginUtil gets the username from <code>HttpContext.Current.User</code>.</p>

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