XML C#

using System;
using System.IO;
using System.Xml;
using System.Net;
public class Sample {
  public static void Main() {
    XmlTextReader reader = new XmlTextReader("http://myServer/data/books.xml");
    XmlUrlResolver resolver = new XmlUrlResolver();
    resolver.Credentials = CredentialCache.DefaultCredentials;
    reader.XmlResolver = resolver;
    while (reader.Read()) {
    }           
    reader.Close();     
  }
}