public void LoadListLoaiDG(ref ComboBoxEx cbxLoaiDG, QDLoaiDocGiaBUS ldgBUS)
        {
            try
            {
                cbxLoaiDG.DataSource = ldgBUS.LoadBangLoaiDG();

                cbxLoaiDG.DisplayMember = "TENLOAIDG";
            }
            catch { }
        }
 public void LoadDgvLoaiDG(ref DataGridViewX dgvLoaiDG, QDLoaiDocGiaBUS ldgBUS)
 {
     dgvLoaiDG.DataSource = ldgBUS.LoadBangLoaiDG();
 }