Flex: charting

MXML:

<?xml version="1.0" encoding="utf-8"?>
<mx:WindowedApplication xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute">
 <mx:Script source="chart.as" />
 <mx:LineChart x="62" y="78" id="linechart1" dataProvider="{expenses}">
  <mx:horizontalAxis>
           <mx:CategoryAxis
                dataProvider="{expenses}"
                categoryField="Month"
           />
        </mx:horizontalAxis>
  <mx:series>
   <mx:LineSeries displayName="Series 1" yField="Expenses" xField="Month" sortOnXField="true"/>
  </mx:series>
 </mx:LineChart>
 <mx:Legend dataProvider="{linechart1}"/>
 
</mx:WindowedApplication>

AS:

import mx.collections.*;
[Bindable]
 private var expenses:ArrayCollection = new ArrayCollection([
    {Month:"January", Profit:2000, Expenses:1500, Amount:450},
    {Month:"February", Profit:1000, Expenses:200, Amount:600},
    {Month:"March", Profit:1500, Expenses:500, Amount:300},
    {Month:"April", Profit:500, Expenses:300, Amount:500},
    {Month:"May", Profit:1000, Expenses:450, Amount:250},
    {Month:"June", Profit:2000, Expenses:500, Amount:700}
 ]);