//private void LoadcmbKhachHang()
//{
// KhachhangCtrl khctr = new KhachhangCtrl();
// cmbKhachHang.DataSource = khctr.GetData();
// cmbKhachHang.DisplayMember = "TenKH";
// cmbKhachHang.ValueMember = "MaKH";
// cmbKhachHang.SelectedIndex = 0;
//}
private void LoadcmbHH()
{
hanghoaCtrl hhctr = new hanghoaCtrl();
cmbHH.DataSource = hhctr.GetData();
cmbHH.DisplayMember = "SDTSim";
cmbHH.ValueMember = "MaSim";
cmbHH.SelectedIndex = 0;
cmbHH.Text = "";
}
