protected override void add( )
        {
            state     = "add";
            _dc.DC001 = _dd.DD001 = _bll.getOddNum( );
            Enable( );
            Clear( );
            toolSelect.Enabled      = toolAdd.Enabled = toolDelete.Enabled = toolUpdate.Enabled = toolReview.Enabled = toolPrint.Enabled = toolExport.Enabled = toolMaintain.Enabled = toolcopy.Enabled = toolLibrary.Enabled = toolStorage.Enabled = false;
            toolSave.Enabled        = toolCancel.Enabled = true;
            tableView               = _bll.getTableView("1=2");
            gridControl1.DataSource = tableView;
            txtDC003.Tag            = null;

            base.add( );
        }