private void load_data_to_grid()
    {
        if (m_cbo_phong_ban.SelectedValue == null) return;
        if (Session[SESSION.UserID] == null) return;
        decimal v_dc_id_user = CIPConvert.ToDecimal(Session[SESSION.UserID]);
        US_HT_NGUOI_SU_DUNG v_us_ht_nguoi_su_dung = new US_HT_NGUOI_SU_DUNG(v_dc_id_user);
        //format_control(v_us_ht_nguoi_su_dung.strTEN_TRUY_CAP);
        decimal v_dc_id_phong_ban = CIPConvert.ToDecimal(m_cbo_phong_ban.SelectedValue);

        US_V_BAN_HANH_VAN_BAN v_us_gd_van_thu = new US_V_BAN_HANH_VAN_BAN();
        DS_V_BAN_HANH_VAN_BAN v_ds_gd_van_thu = new DS_V_BAN_HANH_VAN_BAN();
        v_us_gd_van_thu.v_tra_cuu_van_ban(
            v_ds_gd_van_thu
            , v_dc_id_phong_ban
            , v_us_ht_nguoi_su_dung.strMAIL
            , m_txt_tu_khoa.Text.Trim());
        m_grv_dm_bill.DataSource = v_ds_gd_van_thu.V_BAN_HANH_VAN_BAN;
        m_grv_dm_bill.DataBind();
    }
 private void grid2us_object(US_V_BAN_HANH_VAN_BAN i_us
     , int i_grid_row)
 {
     DataRow v_dr;
     v_dr = (DataRow)m_fg.Rows[i_grid_row].UserData;
     m_obj_trans.GridRow2DataRow(i_grid_row, v_dr);
     i_us.DataRow2Me(v_dr);
 }
 private void us_object2grid(US_V_BAN_HANH_VAN_BAN i_us
     , int i_grid_row)
 {
     DataRow v_dr = (DataRow)m_fg.Rows[i_grid_row].UserData;
     i_us.Me2DataRow(v_dr);
     m_obj_trans.DataRow2GridRow(v_dr, i_grid_row);
 }
 private void delete_v_ban_hanh_van_ban()
 {
     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_BAN_HANH_VAN_BAN v_us = new US_V_BAN_HANH_VAN_BAN();
     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();
     }
 }