datagrid和combobox简单应用

<?xml version="1.0" encoding="utf-8"?>
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009" 
               xmlns:s="library://ns.adobe.com/flex/spark" 
               xmlns:mx="library://ns.adobe.com/flex/mx" minWidth="955" minHeight="600">
    <s:layout>
        <s:BasicLayout/>
    </s:layout>
    <fx:Script>
        <![CDATA[
            import mx.collections.ArrayCollection;
            
            private var combo:ArrayCollection = new ArrayCollection([
                {label:"请选择"},
                {label:"张三"},
                {label:"赵柯"},
                {label:"王雷"},
                {label:"李梅"}
            ]);            
            
            private var datagrid:ArrayCollection = new ArrayCollection([
                {name:"张三",age:18,number:1001},
                {name:"赵柯",age:18,number:1002},
                {name:"王雷",age:18,number:1003},
                {name:"李梅",age:18,number:1004}
            ]);
            

        ]]>
    </fx:Script>
    <fx:Declarations>
        
    </fx:Declarations>
    <mx:Image x="325" y="69" width="150" height="104"/>
    <mx:DataGrid x="315" y="43" dataProvider="{datagrid}">
        <mx:columns>
            <mx:DataGridColumn headerText="姓名" dataField="name"/>
            <mx:DataGridColumn headerText="年龄" dataField="age"/>
            <mx:DataGridColumn headerText="序号" dataField="number"/>
        </mx:columns>
    </mx:DataGrid>
    <s:ComboBox x="674" y="45" dataProvider="{combo}" selectedIndex="0"/>
</s:Application>