private void buttonAdd_Click(object sender, EventArgs e)
 {
     this.status     = false;
     _show           = new AddMenuToOrderView("new");
     _show.nama_user = nama_user;
     _show.id_order  = id_order;
     _show.ShowDialog();
     Init_DataBinding_Order();
 }
 private void buttonEdit_Click(object sender, EventArgs e)
 {
     status          = false;
     _show           = new AddMenuToOrderView("edit");
     _show.id_order  = id_order;
     _show.id_menu   = Convert.ToInt32(listViewOrder.SelectedItems[0].SubItems[0].Text);
     _show.qty       = Convert.ToInt32(listViewOrder.SelectedItems[0].SubItems[4].Text);
     _show.nama_user = nama_user;
     _show.ShowDialog();
     Init_DataBinding_Order();
 }