while (resultType)
            {
                string result = string.Empty;
                string url = "http://search.zhenai.com/search/getfastmdata.jsps?gender=1&agebegin=25&ageend=35&workcityprovince=" + txtCityCode.Text + "&workcitycity=-1&Marriage=-1&Salary=-1&Education=-1&h1=-1&h2=-1&photo=1&currentpage=" + pageIndex;
                HttpWebRequest hwr = (HttpWebRequest)HttpWebRequest.Create(url);
                hwr.Method = "GET";
                hwr.Referer = "localhost";
                using (WebResponse wr = hwr.GetResponse())
                {
                    StreamReader sr = new StreamReader(wr.GetResponseStream(), Encoding.Default);
                    result = sr.ReadToEnd();
                    wr.Close();
                }
                if (result.Contains(errorstr))
                {
                    resultType = false;
                    pageIndex = 1;
                    lblsuccess.Text = "当前城市数据采集完毕!";
                    MessageBox.Show("当前城市数据采集完毕!");
                }
                else
                {
                    //抓取数据代码
                }
             }