System Net C# by API

using System;
using System.Net;
using System.Text;
public class CredTest
{
   public static void Main()
   {
      WebClient wc = new WebClient();
      NetworkCredential nc = new NetworkCredential("alex", "mypassword");
      wc.Credentials = nc;
      byte[] response = wc.DownloadData("http://www.rntsoft.com/index.htm");
      Console.WriteLine(Encoding.ASCII.GetString(response));
   }
}