具有焦点的新网格行

  <mx:DataGrid id=\"myGrid\"
      dataProvider=\"{initDG}\" editable=\"true\"
      itemFocusOut=\"onItemFocusOut(event)\">
      <mx:columns>
          <mx:DataGridColumn dataField=\"Company\" editable=\"false\"/>
          <mx:DataGridColumn dataField=\"Contact\"/>
      </mx:columns>
  </mx:DataGrid>

      protected function onItemFocusOut(e: DataGridEvent):void{
        if((e.rowIndex == (initDG.length - 1)) && 
           (e.columnIndex == (myGrid.columnCount -1))){
          initDG.addItem({Company: \'New one\', Contact: \'\'});
        }
      }