public FormHDBanHang_Sua()
{
KH = new DB_KhachHang();
NV = new DB_NhanVien();
HD = new DB_HDBanHang();
InitializeComponent();
}
public FormHDBanHang()
{
dbchitiet = new DB_ChiTietBanHang();
dbhoadon = new DB_HDBanHang();
dbnhanvien = new DB_NhanVien();
dbkhachhang = new DB_KhachHang();
InitializeComponent();
}
public FormHDBanHang(string MaNV)
{
this.manv = MaNV;
dbchitiet = new DB_ChiTietBanHang();
dbhoadon = new DB_HDBanHang();
dbnhanvien = new DB_NhanVien();
dbkhachhang = new DB_KhachHang();
InitializeComponent();
}