获取http://XX.XX.XX.XX :XXXX/QuestionResult.aspx?method=接口返回值

private string GetWeather(string strRegisterNo)
        {
            string getWeatherUrl = "http://XX.XX.XX.XX :XXXX/QuestionResult.aspx?method=GetQuestionResultData&reportNo=" + strRegisterNo + "";  //
            WebRequest webReq = WebRequest.Create(getWeatherUrl);
            WebResponse webResp = webReq.GetResponse();
            Stream stream = webResp.GetResponseStream();
            StreamReader sr = new StreamReader(stream, Encoding.UTF8);
            string html = sr.ReadToEnd();
            sr.Close();
            stream.Close();
            return html.Replace("(", "").Replace(")", "");
        }