private void btnGioGiangTheoChucDanh_Click(object sender, EventArgs e)
        {
            cBGG_DinhMucTheoChucDanh oBGioGiangTheoChucDanh = new cBGG_DinhMucTheoChucDanh();
            DataTable dtGioGiangTheoChucDanh = oBGioGiangTheoChucDanh.Get();

            if (dtGioGiangTheoChucDanh.Rows.Count == 0)
            {
                return;
            }
            if (dtGiaoVien.Rows.Count == 0)
            {
                return;
            }
            for (int i = 0; i < dtGiaoVien.Rows.Count; i++)
            {
                if (dtGiaoVien.Rows[i]["DM_ChucDanhID"] + "" != "")
                {
                    for (int j = 0; j < dtGioGiangTheoChucDanh.Rows.Count; j++)
                    {
                        if (dtGioGiangTheoChucDanh.Rows[j]["DM_ChucDanhID"] + "" != "")
                        {
                            if (dtGiaoVien.Rows[i]["DM_ChucDanhID"].ToString() == dtGioGiangTheoChucDanh.Rows[j]["DM_ChucDanhID"].ToString())
                            {
                                dtGiaoVien.Rows[i]["SoGioDinhMuc"] = dtGioGiangTheoChucDanh.Rows[j]["GioChuanGiang"];
                            }
                        }
                    }
                }
            }
            grdGiaoVien.RefreshDataSource();
        }
 private void LoadData()
 {
     grdDinhMucTheoChucDanh.DataSource = oBGG_DinhMucTheoChucDanh.Get();
 }