      */
     public static const ERROR_TEXT:String = new String(" ");
     
-    
     public function GridColumn()
     {
         super();

            return;

        _itemRendererFunction = value;
        dispatchChangeEvent("itemRendererFunctionChanged");
    }
    

        else
            dataFieldPath = [value];
        
        invalidateGrid();
        clearGridLayoutCache();
        
        dispatchChangeEvent("dataFieldChanged");
    }
    
    //----------------------------------
