Web Service Manual calling using C# console app

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Configuration;

using System.Net;

using System.Security.Cryptography.X509Certificates;

namespace ManualSOAPCall

{

    public class TrustAllCertificatePolicy : ICertificatePolicy

    {

        public TrustAllCertificatePolicy() { }

        public bool CheckValidationResult(ServicePoint sp, X509Certificate cert, WebRequest req, int problem)

        {

            return true;

        }

    }

    class Program

    {

        static void Main(string[] args)

        {

            // using System.Net;

            ServicePointManager.Expect100Continue = true;

            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls11;

            // Use SecurityProtocolType.Ssl3 if needed for compatibility reasons

            #region ContactServiceTest

            var contactServiceUrl = ConfigurationManager.AppSettings["ContactServiceURL"];

            //var actionName = "GetSoldToBPandContact";

            var actionName = "getItemPrice";

            var actionNameSpace = "http://www.test.com/businessinterface/DW_ItemPrice_CT";

            // var typeObject = "GetSoldToBPandContactRequest";

            var typeObject = "getItemTestRequest";

            var requestObject = "SW_ItemPrice_ST";

            var parms = new Dictionary<string, string>();

            parms.Add("ProcessingScope", "request");

            ServicePointManager.CertificatePolicy = new TrustAllCertificatePolicy();

            string contactResult = SOAPHelper.SendSOAPRequest(contactServiceUrl, actionName, actionNameSpace, typeObject, requestObject, parms, "", false);

            Console.Write(contactResult);

            Console.ReadLine();

        }

    }

}

  public static class SOAPHelper

    {

        /// <summary>

        /// Sends a custom sync SOAP request to given URL and receive a request

        /// </summary>

        /// <param name="url">The WebService endpoint URL</param>

        /// <param name="action">The WebService action name</param>

        /// <param name="parameters">A dictionary containing the parameters in a key-value fashion</param>

        /// <param name="soapAction">The SOAPAction value, as specified in the Web Service's WSDL (or NULL to use the url parameter)</param>

        /// <param name="useSOAP12">Set this to TRUE to use the SOAP v1.2 protocol, FALSE to use the SOAP v1.1 (default)</param>

        /// <returns>A string containing the raw Web Service response</returns>

        public static string SendSOAPRequest(string url, string actionName, string actionNameSpace, string typeObject, string requestObject, Dictionary<string, string> parameters, string soapAction = null, bool useSOAP12 = false)

        { // using System.Net;

            ServicePointManager.Expect100Continue = true;

            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls11;

            // Create the SOAP envelope

            XmlDocument soapEnvelopeXml = new XmlDocument();

            var xmlStrPrice = (useSOAP12)

  ? @"<?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><{0} xmlns=""{1}""><{2}>{3}</{2}></{0}></soap12:Body></soap12:Envelope>"

  : @"<?xml version=""1.0"" encoding=""utf-8""?><soap:Envelope xmlns:soap=""http://schemas.xmlsoap.org/soap/envelope/""  xmlns:xsi=""http://www.w3.org/2001/XMLSchema-instance"" xmlns:xsd=""http://www.w3.org/2001/XMLSchema"">

                <soap:Body><{0} xmlns=""{1}""><{2} xmlns=""""><ControlArea><{3}>{4}</{3}></ControlArea></{2}></{0}>

                </soap:Body>

                </soap:Envelope>";

            string parmsPrice = string.Join(url, parameters.Select(kv => String.Format("<{0}>{1}</{0}>", kv.Key, kv.Value)).ToArray());

            var str = String.Format(xmlStrPrice, actionName, actionNameSpace, typeObject, requestObject, parmsPrice);

            soapEnvelopeXml.LoadXml(str);

            ServicePointManager.Expect100Continue = true;

            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls11;

            HttpWebRequest request = (HttpWebRequest)

                            HttpWebRequest.Create(url);

            String xmlString = str;

            ASCIIEncoding encoding = new ASCIIEncoding();

            byte[] bytesToWrite = encoding.GetBytes(xmlString);

            request.Method = "POST";

            request.ContentLength = bytesToWrite.Length;

            request.Headers.Add("SOAPAction: \"\""); //You need to change this

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

            request.Timeout = Timeout.Infinite;

            request.KeepAlive = true;

            Stream newStream = request.GetRequestStream();

            newStream.Write(bytesToWrite, 0, bytesToWrite.Length);

            newStream.Close();

            HttpWebResponse response = (HttpWebResponse)request.GetResponse();

            Stream dataStream = response.GetResponseStream();

            StreamReader reader = new StreamReader(dataStream);

            string responseFromServer = reader.ReadToEnd();

            return responseFromServer;

        }

    }