WebServiceCallpublic class WebServiceCall

    {

        public void Call()

        {

            string url = "http://localhost:1117/WebSite/WebService.asmx";

            string data = GetSOAPReuquestBody("");

           HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);

            req.ContentType = "text/xml; charset=utf-8";

            req.Method = "POST";

            using (Stream reqStream = req.GetRequestStream())

            {

                byte[] reqData = Encoding.UTF8.GetBytes(data);

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

            }

            HttpWebResponse resp = (HttpWebResponse)req.GetResponse();

            Console.WriteLine(resp.StatusCode);

            foreach (var item in resp.Headers.AllKeys)

            {

                Console.WriteLine(item + " : " + resp.Headers[item]);

            }

            using (StreamReader reader = new StreamReader(resp.GetResponseStream(), Encoding.UTF8))

            {

                Console.WriteLine(reader.ReadToEnd());

            }

        }

        public void Call2()

        {

            string url = "http://localhost:1117/WebSite/WebService.asmx/GetNumber";

            string data = "id=3";

            HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);

            req.ContentType = "application/x-www-form-urlencoded";

            req.Method = "POST";

            using (Stream reqStream = req.GetRequestStream())

            {

                byte[] reqData = Encoding.UTF8.GetBytes(data);

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

            }

            HttpWebResponse resp = (HttpWebResponse)req.GetResponse();

            Console.WriteLine(resp.StatusCode);

            foreach (var item in resp.Headers.AllKeys)

            {

                Console.WriteLine(item + " : " + resp.Headers[item]);

            }

            using (StreamReader reader = new StreamReader(resp.GetResponseStream(), Encoding.UTF8))

            {

                Console.WriteLine(reader.ReadToEnd());

            }

        }

        public string GetSOAPReuquestBody(string param)

        {

            StringBuilder soap = new StringBuilder();

            soap.Append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");

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

            soap.Append("<soap12:Body>");

            soap.Append("<GetNumber  xmlns=\"http://tempuri.org/\">");

            soap.Append("<id>");

            soap.Append(param);

            soap.Append("</id>");

            soap.Append("</GetNumber>");

            soap.Append("</soap12:Body>");

            soap.Append("</soap12:Envelope>");

            return soap.ToString();

        }

    }