     //----------------------------------
     
     private var _dataTipField:String = null;
-    private var dataTipFieldPath:Array = [];
     
     [Bindable("dataTipFieldChanged")]    
     

    //  showDataTips
    //----------------------------------
    
    private var _showDataTips:Boolean = false;
    
    [Bindable("showDataTipsChanged")]  
    
    /**
     *  Show dataTips for the cells in this column.
     * 
     *  @default false
     */
    public function get showDataTips():Boolean
    {
        return _showDataTips;
    }

     *  <code>item[dataField].toString()</code>.   If dataField is a "." separated
     *  path, then this method looks up each successive path element.  For example if
     *  <code>="foo.bar.baz"</code> then this method would return
     *  the value of <code>item.foo.bar.baz</code>.   If resolving the item's dataField
     *  causes an error to be thrown, ERROR_TEXT is returned.</p>
     * 
     *  <p>If item and labelFunction are not null then this method returns 
