private void delete_v_ht_nguoi_su_dung() { if (!CGridUtils.IsThere_Any_NonFixed_Row(m_fg)) return; if (!CGridUtils.isValid_NonFixed_RowIndex(m_fg, m_fg.Row)) return; if (BaseMessages.askUser_DataCouldBeDeleted(8) != BaseMessages.IsDataCouldBeDeleted.CouldBeDeleted) return; US_V_HT_NGUOI_SU_DUNG v_us = new US_V_HT_NGUOI_SU_DUNG(); grid2us_object(v_us, m_fg.Row); try { v_us.BeginTransaction(); v_us.Delete(); v_us.CommitTransaction(); m_fg.Rows.Remove(m_fg.Row); } catch (Exception v_e) { v_us.Rollback(); CDBExceptionHandler v_objErrHandler = new CDBExceptionHandler(v_e, new CDBClientDBExceptionInterpret()); v_objErrHandler.showErrorMessage(); } }