private void ButtonRemove_Click(object sender, RoutedEventArgs e)
 {
     if (lstBoxCurrDonations.SelectedIndex == -1)
     {
         MessageBox.Show("Please select an order");
     }
     else
     {
         String c1 = lstBoxCurrDonations.SelectedItem as String;
         foreach (Pedido p in restaurante.pedidosRestaurante)
         {
             if (c1.Equals(p.withCodeString()))
             {
                 restaurante.pedidosRestaurante.Remove(p);
                 CurrentDonations cd = new CurrentDonations(restaurante);
                 this.NavigationService.Navigate(cd);
                 break;
             }
         }
     }
 }
        private void ButtonCurrentDoantions_Click(object sender, RoutedEventArgs e)
        {
            CurrentDonations currDonations = new CurrentDonations(restaurante);

            this.NavigationService.Navigate(currDonations);
        }