C# Basic Authentication when redirecting

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My environment is as follows:

IIS 6.0, Asp.Net 2.0, Windows 2003 Server.

I am trying to create a single sign on SSO environment with C# and log into
a site that is running Apache Server using basic authentication.

Questions:

1. How do I display the response in a new window?
2. Is my code correct for basic authentication?

Here's my code

NetworkCredenti al myCred = new NetworkCredenti al("username",
"password") ;
CredentialCache MyCrendentialCa che = new CredentialCache ();
MyCrendentialCa che.Add(new Uri("url"), "Basic", myCred);


HttpWRequest.Cr edentials = MyCrendentialCa che;
HttpWRequest.Pr eAuthenticate = true;

HttpWRequest.Us erAgent = "CSharp HTTP Sample";
HttpWRequest.Ke epAlive = true;
HttpWRequest.He aders.Set("Prag ma", "no-cache");
HttpWRequest.He aders.Add("AUTH _USER", "username") ;
HttpWRequest.He aders.Add("AUTH _PASSWORD", "password") ;
HttpWRequest.Al lowAutoRedirect = true;
HttpWRequest.Ti meout = 300000;
HttpWRequest.Me thod = "Get";


HttpWResponse = (HttpWebRespons e)HttpWRequest. GetResponse();
StreamReader sr = new StreamReader(Ht tpWResponse.Get ResponseStream( ),
Encoding.ASCII) ;
string s = sr.ReadToEnd();
sr.Close();

Response.Redire ct(HttpWRespons e.ResponseUri.T oString());


thanks in advance.