private void btnPaylasimSil_Click(object sender, EventArgs e)
        {
            int paylasimid;

            if (lstUrunlerim.SelectedIndex > -1)
            {
                View_UrunMalumat UrunBilgi = lstUrunlerim.SelectedItem as View_UrunMalumat;

                if (UrunBilgi != null)
                {
                    paylasimid = UrunBilgi.PaylasimId;

                    al.PaylasimSilAsync(paylasimid, UrunBilgi.BarkodId, UrunBilgi.Fiyat);
                    al.PaylasimSilCompleted += new EventHandler <PaylasimSilCompletedEventArgs>(al_PaylasimSilCompleted);
                }
            }
        }
        private void btnPaylasimaGit_Click(object sender, EventArgs e)
        {
            int    sayi;
            string urunad;

            txtYeniFiyat.Visibility     = Visibility.Collapsed;
            btnGuncelleFiyat.Visibility = Visibility.Collapsed;



            View_UrunMalumat UrunBilgi = lstUrunlerim.SelectedItem as View_UrunMalumat;

            if (UrunBilgi != null)
            {
                sayi   = UrunBilgi.BarkodId;
                urunad = UrunBilgi.UrunAd;
                NavigationService.Navigate(new Uri("/UrunSayfasi.xaml?urun=" + sayi + "&urunad=" + urunad, UriKind.RelativeOrAbsolute));
            }
        }
        private void btnGuncelleFiyat_Click(object sender, RoutedEventArgs e)
        {
            if (txtYeniFiyat.Text != "")
            {
                View_UrunMalumat UrunBilgi = lstUrunlerim.SelectedItem as View_UrunMalumat;

                if (UrunBilgi != null)
                {
                    int sayi;
                    int marketid = Convert.ToInt32(UrunBilgi.MarketId);

                    sayi = UrunBilgi.PaylasimId;

                    al.PaylasimGuncelleAsync(sayi, Convert.ToDecimal(txtYeniFiyat.Text), DateTime.Now, UrunBilgi.BarkodId, UrunBilgi.Fiyat, marketid);
                    al.PaylasimGuncelleCompleted += new EventHandler <PaylasimGuncelleCompletedEventArgs>(al_PaylasimGuncelleCompleted);
                }
            }

            else
            {
                MessageBox.Show("Fiyat Giriniz !");
            }
        }