Mega Code Archive
Change Service DataProvider
<![CDATA[
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Code from Flex 4 Documentation "Using Adobe Flex 4".
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<!-- charts/ChangeSrvDataProvider.mxml -->
<s:Application xmlns:fx="http://ns.adobe.com/mxml/2009"
xmlns:mx="library://ns.adobe.com/flex/mx" xmlns:s="library://ns.adobe.com/flex/spark"
creationComplete="srv.send()" height="600">
<fx:Declarations>
<!--
View source of the following page to see the structure of the data
that Flex uses in this example.
-->
<mx:HTTPService id="srv"
url="http://aspexamples.adobe.com/chart_examples/stocks-xml.aspx" />
<!--
To see data in an HTML table, go to
http://aspexamples.adobe.com/chart_examples/stocks.aspx
-->
</fx:Declarations>
<fx:Script>
public function changeDataProvider(event:Event):void {
srv.url = "http://aspexamples.adobe.com/chart_examples/stocks-xml.aspx" +"?" + "tickerSymbol=" + event.currentTarget.selectedItem;
srv.send();
}
</fx:Script>
<s:layout>
<s:VerticalLayout />
</s:layout>
<s:Panel title="Column Chart">
<s:layout>
<s:VerticalLayout />
</s:layout>
<mx:ColumnChart id="myChart" dataProvider="{srv.lastResult.data.result}"
showDataTips="true">
<mx:horizontalAxis>
<mx:DateTimeAxis dataUnits="days" />
</mx:horizontalAxis>
<mx:series>
<mx:ColumnSeries yField="close" xField="date"
displayName="Closing Price of {cb1.selectedItem}" />
</mx:series>
</mx:ColumnChart>
<mx:Legend dataProvider="{myChart}" />
</s:Panel>
<s:ComboBox id="cb1" change="changeDataProvider(event)">
<s:ArrayCollection>
<fx:String>FRED</fx:String>
<fx:String>STRK</fx:String>
<fx:String>FE</fx:String>
</s:ArrayCollection>
</s:ComboBox>
</s:Application>
]]>