Capturing the Windows NT Username from IE 5.5+

From: Dennis Thornton (Dennis.Thornton@api-wi.com)
Date: 07/09/02 

From: "Dennis Thornton" <Dennis.Thornton@api-wi.com>
Date: Tue, 9 Jul 2002 10:06:29 -0500

Using c#

The following code snippet displays the prompt for user credentials. I have
set internet explorer to automatic logon in the intranet zone. IIS virtual
directory is set to allow anonymous users.

How do I prevent the dialog from appearing?

private void Page_Load(object sender, System.EventArgs e)

{

Response.StatusCode = (int) HttpStatusCode.Unauthorized;

Response.AppendHeader("Server","Microsoft-IIS5.1");

Response.AppendHeader("WWW-Authenticate","Negotiate");

StringBuilder result = new StringBuilder();

for (int item = 0; item < Request.ServerVariables.Count ; item++ )

result.Append(Request.ServerVariables.Keys[item] + " = " +
Request.ServerVariables[item] + "\n");

outputTextBox.Text = result.ToString();

}

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