<?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" initialize="init()" pageTitle="要素の追加・削除：コレクション"> <mx:Script> <![CDATA[ import mx.collections.*; import mx.controls.Alert; // 元となるデータを作成 private var def_array:Array = [ {name:'suzuki',money:500,number:1}, {name:'sato',money:300,number:2} ]; // データをバインドさせる [Bindable] public var data_array:ArrayCollection; // ArrayCollectionを作成する public function init():void{ data_array = new ArrayCollection(def_array); } private function btn_click_add():void{ data_array.addItemAt({name:'suzuki',money:500,number:1},1); } private function btn_click_remove():void{ if(dg.selectedIndex >= 0){ data_array.removeItemAt(dg.selectedIndex); } } ]]> </mx:Script> <mx:DataGrid dataProvider="{data_array}" id="dg"> <mx:columns> <mx:DataGridColumn dataField="name" headerText="名前" /> <mx:DataGridColumn dataField="money" headerText="金額" /> <mx:DataGridColumn dataField="number" headerText="番号" /> </mx:columns> </mx:DataGrid> <mx:Button label="要素の追加" click="btn_click_add()" /> <mx:Button label="要素の削除" click="btn_click_remove()" /> </mx:Application>