i cant create the object of agsxmpp client and jid..fed up! pls help me...

using System;
using System.Collections.ObjectModel;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices.WindowsRuntime;
using Windows.Foundation;
using Windows.Foundation.Collections;
using Windows.UI.Xaml;
using Windows.UI.Xaml.Controls;
using Windows.UI.Xaml.Controls.Primitives;
using Windows.UI.Xaml.Data;
using Windows.UI.Xaml.Input;
using Windows.UI.Xaml.Media;
using Windows.UI.Xaml.Navigation;
using Matrix.Xmpp;
using System.Net.XMPP;
using Matrix.Xmpp.Client;
using Matrix.Xmpp.Sasl;
using agsXMPP;
using agsXMPP.protocol.client;
using agsXMPP.protocol.iq.roster;
using agsXMPP.protocol.iq.vcard;
using agsXMPP.Collections;

// The Blank Page item template is documented at http://go.microsoft.com/fwlink/?LinkId=391641

namespace agsxmpp_demo
{
  
    public sealed partial class MainPage : Page
    {

        public string Jid_Sender = "sree1";
        public string pw = "sree2";
        string uname = "aps";
        string server = "taurus";



        Jid obj_jid = new Jid();  //here i cant pass jid_sender

        agsXMPP.XmppClientConnection con = new agsXMPP.XmppClientConnection();

        // con is not coming here why? what mistake i made?/?


        public MainPage()
        {
            this.InitializeComponent();

            this.NavigationCacheMode = NavigationCacheMode.Required;
        }



       
     



        

        protected override void OnNavigatedTo(NavigationEventArgs e)
        {
            
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {

        }
    }
}