private void dm_grid2us_object(US_GD_DE_XUAT i_us
     , int i_grid_row)
 {
     DataRow v_dr;
     v_dr = (DataRow)m_grv_de_xuat.Rows[i_grid_row].UserData;
     m_obj_trans.GridRow2DataRow(i_grid_row, v_dr);
     i_us.DataRow2Me(v_dr);
 }
 private void delete_v_gd_de_xuat_vpp()
 {
     if (!CGridUtils.IsThere_Any_NonFixed_Row(m_grv_de_xuat)) return;
     if (!CGridUtils.isValid_NonFixed_RowIndex(m_grv_de_xuat, m_grv_de_xuat.Row)) return;
     if (BaseMessages.askUser_DataCouldBeDeleted(8) != BaseMessages.IsDataCouldBeDeleted.CouldBeDeleted) return;
     US_GD_DE_XUAT v_us = new US_GD_DE_XUAT();
     dm_grid2us_object(v_us, m_grv_de_xuat.Row);
     try
     {
         v_us.BeginTransaction();
         v_us.Delete();
         v_us.CommitTransaction();
         m_grv_de_xuat.Rows.Remove(m_grv_de_xuat.Row);
     }
     catch (Exception v_e)
     {
         v_us.Rollback();
         CDBExceptionHandler v_objErrHandler = new CDBExceptionHandler(v_e,
             new CDBClientDBExceptionInterpret());
         v_objErrHandler.showErrorMessage();
     }
 }