flex DataGrid·ÖÒ³£¨demo£©

·ÖÒ³×é¼þ£ºPage.mxml:
<?xml version="1.0" encoding="utf-8"?>
<mx:VBox xmlns:mx="http://www.adobe.com/2006/mxml" width="400" height="300" >
    <mx:Script>
         <![CDATA[
         /**//*
             ×Ô¶¨Òådatagrid¿Ø¼þÔªËØ
             ×ܹ²µÄÒ³Êý
             µ±Ç°Ò³ÃæµÄÒ³Âë
             ËùÓеļǼÊý
            µ±Ç°Ò²µÄ¼Ç¼
            ûÓз­Ò³µÄ¼Ç¼
           
        */
            import mx.collections.ArrayCollection;
            import mx.controls.Alert;
            [Bindable]
            private var mypagedata:ArrayCollection = new ArrayCollection();//µ±Ç°Ò²Ã»ÖÖ¸ÃÏÔʾµÄ¼Ç¼
            [Bindable]
            public var mygridcolumns:Array;
            public var mydata:ArrayCollection;//ËùÓеÄÊý¾Ý
            public var pagecount:int=10;//±íʾÿҳ¼Ç¼µÄÌõÊý,ĬÈÏ10Ìõ,¿ÉÒÔÓÉÓû§×ÔÐж¨Òå
            public var curpage:int;//µ±Ç°µÄÒ³Âë
            publi