protected void Page_Load(object sender, EventArgs e)        {           string url= "http://api.map.baidu.com/geocoder/v2/?ak=****&callback=renderReverse&location=39.983424,116.322987&output=json";           Response.Write(CreateGetHttpResponse(url));        }        /// <summary>          /// 创建GET方式的HTTP请求          /// </summary>          public static string CreateGetHttpResponse(string url)        {                        System.Net.HttpWebRequest request;            // 创建一个HTTP请求            request = (System.Net.HttpWebRequest)WebRequest.Create(url);            //request.Method="get";            System.Net.HttpWebResponse response;            response = (System.Net.HttpWebResponse)request.GetResponse();            System.IO.StreamReader myreader = new System.IO.StreamReader(response.GetResponseStream(), Encoding.UTF8);            string responseText = myreader.ReadToEnd();            myreader.Close();            return responseText;        }