public QLSanPham(QLHoaDon qlhd)
{
InitializeComponent();
this.qlhoadon = qlhd;
// lấy loại sản phẩm
List <LoaiSanPham> list = lspDao.getAllLoaiSP();
cbLoaiSP.DataSource = list;
cbLoaiSP.DisplayMember = "TenLoaiSP";
cbLoaiSP.ValueMember = "MaLoaiSP";
cbBaohanh.SelectedIndex = 0;
}
private void btnHoaDon_Click(object sender, EventArgs e)
{
QLHoaDon qliHoadon = new QLHoaDon();
qliHoadon.Show();
}
