public class BalanceInquiry : System.Web.Services.WebService
{

    [WebMethod]
    public string getAccount(string accNbr)
    {
        return accNbr;

    }
}

class Program
{
    static void Main(string[] args)
    {
        //creating object of program class to access methods
        Program obj = new Program();
        Console.WriteLine("Please Enter Input values..");
        //Reading input values from console
        string a =(Console.ReadLine());
       // int b = Convert.ToInt32(Console.ReadLine());
        //Calling InvokeService method
        obj.InvokeService(a);

    }
    public void InvokeService(string a )
    {
        //Calling CreateSOAPWebRequest method
        HttpWebRequest request = CreateSOAPWebRequest();

        XmlDocument SOAPReqBody = new XmlDocument();
        //SOAP Body Request
        SOAPReqBody.LoadXml(@"<?xml version=""1.0"" encoding=""utf-8""?><soap:Envelope xmlns:xsi=""http://www.w3.org/2001/XMLSchema-instance"" xmlns:xsd=""http://www.w3.org/2001/XMLSchema"" xmlns:soap=""http://schemas.xmlsoap.org/soap/envelope/""><soap:Body>  <HelloWorld  xmlns=""http://tempuri.org/""> </HelloWorld ></soap:Body></soap:Envelope>");


        using (Stream stream = request.GetRequestStream())
        {
            using (StreamWriter stmw = new StreamWriter(stream))
            {
                stmw.Write(SOAPReqBody);
            }
        }

        try
        {
            //Geting response from request
            WebResponse response = request.GetResponse();
        }

        catch (WebException e)
        {
            Console.WriteLine(e.ToString());

        }
        Console.Read();

 //       Stream responseStream = response.GetResponseStream();

        //using (WebResponse Serviceres = request.GetResponse())
        //{
        //    using (StreamReader rd = new StreamReader(Serviceres.GetResponseStream()))
        //    {
        //        //reading stream
        //        var ServiceResult = rd.ReadToEnd();
        //        //writting stream result on console
        //        Console.WriteLine(ServiceResult);
        //        Console.ReadLine();
        //    }
        //}
    }

    public HttpWebRequest CreateSOAPWebRequest()
    {
        //Making Web Request
        HttpWebRequest Req = (HttpWebRequest)WebRequest.Create("http://localhost:20483/balanceinquiry.asmx");
        //SOAPAction
        Req.Headers.Add("SOAPAction:http://tempuri.org/Addition");
        //Content_type
        Req.ContentType = "text/xml;charset="utf-8"";
        Req.Accept = "text/xml";
        //HTTP method
        Req.Method = "POST";
        //return HttpWebRequest
        return Req;
    }
}