Flex动态生成DataGrid及加载图片

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" creationComplete="initHandler()">
	<mx:Script>
		<![CDATA[
			import mx.collections.ArrayCollection;
			import mx.controls.Image;
			import mx.controls.Alert;
			import mx.controls.dataGridClasses.DataGridColumn;
			[Bindable]  
			public var grid:Array = [ {dept:"人力", name:"张三", sex:0, age:25, mobile:"123456"},
				{dept:"人力", name:"李四", sex:1, age:20, mobile:"123456"},
				{dept:"研发", name:"王五", sex:1, age:21, mobile:"123456"},
				{dept:"研发", name:"赵六", sex:0, age:22, mobile:"123456"},
				{dept:"研发", name:"钱七", sex:1, age:23, mobile:"123456"}];
			public var gridHeader:Array = [
				{hName:"部门",hCode:"dept"},
				{hName:"姓名",hCode:"name"},
				{hName:"性别",hCode:"sex"},
				{hName:"年龄",hCode:"age"},
				{hName:"手机",hCode:"mobile"}];
			public var gridArray:ArrayCollection;
			public var columns:Array;
			public var column:DataGridColumn;
			var read:ClassFactory = new ClassFactory(reader);
			
			public function initHandler():void{
				gridArray = new ArrayCollection(grid);
				gridArray.filterFunction;
				dataGrid.x = 20;
				dataGrid.y = 20;
				dataGrid.setStyle("textAlign","center");
				columns = new Array();
				for each ( var obj:Object in gridHeader ){
					column = new DataGridColumn();
					if(obj.hCode == "sex"){
						column.itemRenderer = read;
					}
					column.headerText = obj.hName;
					column.dataField = obj.hCode;
					columns.push(column);
				}
				dataGrid.columns = columns;
				dataGrid.dataProvider = gridArray;
				addChild(dataGrid);
			}
			
		]]>
	</mx:Script>
	<mx:DataGrid id="dataGrid" height="95%" width="95%"/>
</mx:Application>

<?xml version="1.0" encoding="utf-8"?>
<mx:Image xmlns:mx="http://www.adobe.com/2006/mxml" horizontalAlign="center">
	<mx:Script>
	<![CDATA[
		import mx.controls.Image;
	
	        import mx.collections.ArrayCollection;
	        import mx.controls.Alert;
	        [Bindable]
	        public var dataProvider:ArrayCollection;
			
			private var _data:Object;
			
			override public function set data(value:Object):void{
				if(value.sex==0){
					this.source = "../image/woman.png";
				}
				if(value.sex==1){
					this.source = "../image/man.png";
				}
			}
			
			override public function get data():Object
			{
				return _data;
			}
   	]]>			
</mx:Script>			
</mx:Image>