try

            {

                Console.WriteLine("新开始进行连接测试");

                string responseString;

                string param = @"<?xml version=""1.0"" encoding=""utf-8""?>

                                <soap12:Envelope xmlns:xsi=""http://www.w3.org/2001/XMLSchema-instance"" xmlns:xsd=""http://www.w3.org/2001/XMLSchema"" xmlns:soap12=""http://www.w3.org/2003/05/soap-envelope"">

                                 <soap12:Body>

                                    <HelloWorld xmlns=""http://tempuri.org/"">

                                        <StudentName>1212</StudentName>

                                         <PassWord>12121</PassWord>

                                    </HelloWorld>

                                </soap12:Body>

                            </soap12:Envelope>";

                byte[] bs = Encoding.UTF8.GetBytes(param);

                HttpWebRequest myRequest = (HttpWebRequest)WebRequest.Create("  http://fox-gaolijun/Short_Message/Service1.asmx");

                myRequest.Method = "POST";

                myRequest.ContentType = "application/soap+xml; charset=utf-8";

                myRequest.ContentLength = bs.Length;

                Console.WriteLine("完成准备工作");

                using (Stream reqStream = myRequest.GetRequestStream())

                {

                    reqStream.Write(bs, , bs.Length);

                }

                using (HttpWebResponse myResponse = (HttpWebResponse)myRequest.GetResponse())

                {

                    StreamReader sr = new StreamReader(myResponse.GetResponseStream(), Encoding.UTF8);

                    responseString = sr.ReadToEnd();

                    Console.WriteLine("反馈结果" + responseString);

                }

                Console.WriteLine("完成调用接口");

            }

            catch (Exception e)

            {

                Console.WriteLine(System.DateTime.Now.ToShortTimeString() + "LBS EXCEPTION:" + e.Message);

                Console.WriteLine(e.StackTrace);

            }