HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.Credentials = CredentialCache.DefaultCredentials;
request.ImpersonationLevel = System.Security.Principal.TokenImpersonationLevel.Delegation;
request.AllowAutoRedirect = false;
CredentialCache credCache =new CredentialCache();
credCache.Add(new Uri(url), "NTLM", CredentialCache.DefaultNetworkCredentials);
request.Credentials = credCache;
request.UserAgent = mobile ? "Mozilla/5.0 (Android 12; Mobile; rv:106.0) Gecko/106.0 Firefox/106.0" : "Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-TW; rv:1.9.2.12) Gecko/20101026 Firefox/3.6.12 GTB7.1 ( .NET CLR 3.5.30729)";
//request.UserAgent = "Mozilla/5.0 (Windows; U; Windows NT 5.1; zh-TW; rv:1.9.2.12) Gecko/20101026 Firefox/3.6.12 GTB7.1 ( .NET CLR 3.5.30729)";
//request.UserAgent = "Mozilla/5.0 (Android 12; Mobile; rv:106.0) Gecko/106.0 Firefox/106.0";
request.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8";
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream responseStream = response.GetResponseStream();
StreamReader myStreamReader = new StreamReader(responseStream, Encoding.Default);
string pageContent = myStreamReader.ReadToEnd();
responseStream.Close();
response.Close();
return pageContent;
