public String GetWebContent(String username, String password)
		{
			String _retVal = "err001";
			String _urlLogin = "";
			String _urlSignin = "";
			String _respStr = "";
			String _postData = "";

			Uri _uriLogin = null;
			Uri _uriSignin = null;

            _urlLogin = "http://rm.test.nl/projects/tetrahis/issues"; // is the login Page
            _urlSignin = "http://rm.test.nl/login?back_url=http%3A%2F%2Frm.test.nl%2Fprojects%2Ftetrahis%2Fissues"; //is the link used inside the action of the form tag (Note: I suppose in this example that the form name inside the _urlLogin page is "loginForm")


			_uriLogin = new Uri(_urlLogin);
			_uriSignin = new Uri(_urlSignin);

			try
			{
				HttpWebRequest _wReq;
				HttpWebResponse _wResp;
				System.IO.StreamReader _sr;
				System.Text.ASCIIEncoding _enc = new System.Text.ASCIIEncoding();

				CookieContainer _cookies;

				_wReq = (HttpWebRequest) WebRequest.Create(_uriLogin);
				_wReq.CookieContainer = new CookieContainer();
				_wReq.UserAgent = "Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)";
				
				_wResp = (HttpWebResponse) _wReq.GetResponse();
				_sr = new System.IO.StreamReader(_wResp.GetResponseStream());
				_respStr = _sr.ReadToEnd();
				_sr.Close();
				
				_cookies=_wReq.CookieContainer;

				_wResp.Close();
                Hashtable _otherData;
                // in an initialization routine
                _otherData = new Hashtable();
                _otherData.Add("username", new Hashtable());
                _otherData.Add("password", new Hashtable()); 


				//Here insert all the parameter needed for the login... eg: in my example I suppose that the loginForm has two input field named "username" and "password"
				((Hashtable)_otherData["username"])["value"] = username;
				((Hashtable)_otherData["password"])["value"] = password;
				//you could need to insert other information

				_postData = "";
				foreach(string name in _otherData.Keys)
				{
					_postData += "&" + name + "=" + ((Hashtable)_otherData[name])["value"];
				}
				_postData = _postData.Substring(1);

				byte[] _data = _enc.GetBytes(_postData);

				_wReq = (HttpWebRequest) WebRequest.Create(_uriSignin);
				_wReq.Accept = "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8";
				_wReq.Referer = _urlLogin;
				_wReq.KeepAlive = true;
				_wReq.Method = "POST";
				_wReq.ContentType = "application/x-www-form-urlencoded";
				_wReq.ContentLength = _data.Length;
				_wReq.CookieContainer = _cookies;
				_wReq.AllowAutoRedirect = false;
				_wReq.UserAgent = "Mozilla/5.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322; .NET CLR 2.0.50727)";

			
				System.IO.Stream _outStream = _wReq.GetRequestStream();
				_outStream.Write(_data,0,_data.Length);
				
				_outStream.Close();
				
				_wResp = (HttpWebResponse) _wReq.GetResponse();
				_sr = new System.IO.StreamReader(_wResp.GetResponseStream());
				_respStr = _sr.ReadToEnd();
				_sr.Close();

				_wResp.Close();
								
				// _respStr contains the page content... use this for your needed.
				_retVal=_respStr;
			}

            catch(Exception ex)
			{
				string err = ex.ToString();
				throw ex;
				//Response.Write(e.ToString());
				return null;
			}

            return _retVal;
		}