BKI_DichVuMatDat.NghiepVu.HopDong.f001_import_hop_dong.find_id_loai_hop_dong_by_ma C# (CSharp) Метод

        private decimal find_id_loai_hop_dong_by_ma(string ma_loai_hd)
        {
            decimal id = (from DataRow dr in m_dt_loai_hd.Rows
                          where (string)dr["MA_LOAI_HOP_DONG"] == ma_loai_hd
                          select (decimal)dr["ID"]).FirstOrDefault();
            return id;
        }