public LichSuXuatHoaDonControl()
{
InitializeComponent();
bill_dao = dao.BillDao.getInstance();
detail_dao = dao.DetailBillDao.getInstance();
event_dao = dao.EventDao.getInstance();
loadData();
}
public BanHangControl()
{
InitializeComponent();
cardModel = new CardModel(new List <ListViewItem>());
cardCareTaker = new CardCareTaker();
product_dao = dao.ProductDao.getInstance();
event_dao = dao.EventDao.getInstance();
customer_dao = dao.CustomerDao.getInstance();
bill_dao = dao.BillDao.getInstance();
detail_bill = dao.DetailBillDao.getInstance();
lb_nhanVienBanHang_banHangControl.Text = Program.currentEmployee.name_employee;
loadData();
dgv_sanPham_banHangControl.ClearSelection();
}