// SERVICE REFERENCE-SPECIFIC CODE  

 MyService.FUNCTIONPortClient soapClient = new MyService.FUNCTIONPortClient ();

           result = soapClient.test_query("test from c# ! ");
                       
            try
            {
              
           this.output.Text = "Querying the Web Service...   answer: " + result;
               
            }
            catch (Exception error)
            {
           this.output.Text = error.Message;
            }