string PageUrl = "http://www.163.com/";
System.Net.HttpWebRequest request = (System.Net.HttpWebRequest)System.Net.WebRequest.Create(PageUrl);
request.UserAgent = "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.2; .NET CLR 1.1.4322; Alexa Toolbar; .NET CLR 2.0.50727; .NET CLR 3.0.04506.30)";
request.Method = "GET";
System.Net.WebResponse response = request.GetResponse();
System.IO.Stream resStream = response.GetResponseStream();
System.IO.StreamReader sr = new System.IO.StreamReader(resStream, System.Text.Encoding.Default);
string PageInfo = sr.ReadToEnd();
resStream.Close();
resStream.Dispose();
sr.Close();
sr.Dispose();
Response.Write(PageInfo);