http service를 이용한 데이터그리드 적용하는 예제

플레스 도움말의 예제
이 예제를 통해서 flex data service를 사용하지 않고 http를 이용해서
데이터를 binding 시캐보았다.

<?xml version="1.0"?>
<!-- Simple example to demonstrate the HTTPService tag. -->
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"
    creationComplete="feedRequest.send();">

    <!-- The url property specifies the location of the requested file,
    in this case the RSS 2.0 feed of Matt Chotin's blog.
    As of this writing, the URL was still valid, but you should
    check to make sure it hasn't changed.
    You should use the latest RSS 2.0 URL listed on the right side of
    the blog at http://www.adobe.com/go/mchotinblog. -->

    <mx:HTTPService
        id="feedRequest"
        url="http://weblogs.macromedia.com/mchotin/index.xml"
        useProxy="false" />

    <mx:Panel title="HTTPService Example" height="75%" width="75%"
        paddingTop="10" paddingBottom="10" paddingLeft="10" paddingRight="10">

        <mx:DataGrid id="dgPosts" height="50%" width="75%"
            dataProvider="{feedRequest.lastResult.rss.channel.item}">
            <mx:columns>
                <mx:DataGridColumn headerText="Posts" dataField="title" />
                <mx:DataGridColumn headerText="link" dataField="link" />
            </mx:columns>
        </mx:DataGrid>

        <mx:TextArea height="50%" width="75%" htmlText="{dgPosts.selectedItem.description}"/>

    </mx:Panel>   
</mx:Application>

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