web service doesn't respond with the expected value

[Ev0lv3]

im trying to consume an aspx web service from android.When i click on the button i dont get any response from the system.Can anyone figure out the simple mistake that im doing?my android code is as follows:\[code\] package com.example.fp1_webservicedropdown;import java.util.ArrayList;import java.util.List; import org.ksoap2.SoapEnvelope;import org.ksoap2.serialization.SoapObject;import org.ksoap2.serialization.SoapPrimitive;import org.ksoap2.serialization.SoapSerializationEnvelope;import org.ksoap2.transport.AndroidHttpTransport;import android.os.Bundle;import android.app.Activity;import android.content.Context;import android.view.Menu;import android.view.View;import android.view.View.OnClickListener;import android.widget.ArrayAdapter;import android.widget.Button;import android.widget.Spinner;import android.widget.TextView;import android.widget.Toast;public class MainActivity extends Activity implements OnClickListener { private static final String SOAP_ACTION = "http://tempuri.org/add"; private static final String METHOD_NAME = "add"; private static final String NAMESPACE = "http://tempuri.org/"; private static final String URL = "http://localhost:55084/mySimpleWS.asmx"; private Spinner newSpinner; private Button btn1; private TextView tv2; String tempVal; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); newSpinner = (Spinner) findViewById(R.id.spinner1); btn1 = (Button) findViewById(R.id.button1); btn1.setOnClickListener(this); /*String list[] = {"18-64646", "18-8275", "64-64646", "69876-64646", "13-64646", "PP-64646", "123-64646", "18-64646", "18-8275", "64-64646", "69876-64646", "13-64646", "PP-64646", "123-64646", "18-8275", "64-64646", "69876-64646", "13-64646", "PP-64646", "123-64646", "18-64646", "18-8275", "64-64646", "18-64646", "18-8275", "64-64646", "69876-64646", "13-64646", "PP-64646", "123-64646", "18-64646", "18-8275", "64-64646", "69876-64646", "13-64646", "PP-64646", "123-64646", "18-8275", "64-64646", "69876-64646", "13-64646", "PP-64646", "123-64646", "18-64646", "18-8275", "64-64646"}; // List<String> list = new ArrayList<String>(); ArrayAdapter<String> dataAdapter = new ArrayAdapter<String>(this, android.R.layout.simple_spinner_item, list); dataAdapter .setDropDownViewResource(android.R.layout.simple_gallery_item); newSpinner.setAdapter(dataAdapter); */ } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.activity_main, menu); return true; } @Override public void onClick(View arg0) { // TODO Auto-generated method stub newSpinner = (Spinner) findViewById(R.id.spinner1); tv2 = (TextView) findViewById(R.id.textView2); /*tempVal = newSpinner.getSelectedItem().toString(); //tv2.setText(tempVal); Context context = getApplicationContext(); CharSequence text = "You selected " + tempVal + " as the vehicle number!"; int duration = Toast.LENGTH_SHORT; Toast toast = Toast.makeText(context, text, duration); toast.show(); */ //---- web service access and data retrieval ----// SoapObject Request = new SoapObject(NAMESPACE, METHOD_NAME); Request.addProperty("add", "1"); SoapSerializationEnvelope soapEnvelope = new SoapSerializationEnvelope(SoapEnvelope.VER11); soapEnvelope.dotNet = true; soapEnvelope.setOutputSoapObject(Request); AndroidHttpTransport aht = new AndroidHttpTransport(URL); try { aht.call(SOAP_ACTION, soapEnvelope); SoapPrimitive resultString = (SoapPrimitive) soapEnvelope.getResponse(); tv2.setText(resultString.toString()); } catch (Exception e) { e.printStackTrace(); } //-------------- ----------------// }}\[/code\]also my web service code is as follows:\[code\]using System;using System.Collections.Generic;using System.Linq;using System.Web;using System.Web.Services;namespace mySimpleWS{ /// <summary> /// Summary description for Service1 /// </summary> [WebService(Namespace = "http://tempuri.org/")] [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] [System.ComponentModel.ToolboxItem(false)] // To allow this Web Service to be called from script, using ASP.NET AJAX, uncomment the following line. // [System.Web.Script.Services.ScriptService] public class Service1 : System.Web.Services.WebService { [WebMethod] public int add(int a) { int c = 0; c = a + 5; return c; } }}\[/code\]any help is greatly appreciated.