Passing parameter to URLRequest

     

<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" initialize="initializeHandler(event)">
    <mx:Script>
        
            private var _countriesService:URLLoader;
            private var _statesService:URLLoader;

            private function initializeHandler(event:Event):void {
                _countriesService = new URLLoader();
                _countriesService.addEventListener(Event.COMPLETE, countriesCompleteHandler);
                _countriesService.load(new URLRequest("http://localhost/countries.xml"));

            }

            private function countriesCompleteHandler(event:Event):void {
                var xml:XML = new XML(_countriesService.data);
                country.dataProvider = xml.children();
            }

   
            private function changeHandler(event:Event):void {
                var request:URLRequest = new URLRequest("http://localhost/state.php");
                var parameters:URLVariables = new URLVariables();
                parameters.country = country.value;
                request.data = parameters;
                _statesService.load(request);
            }
      
    </mx:Script>

    <mx:VBox>
        <mx:ComboBox id="country" change="changeHandler(event)" />

    </mx:VBox>

</mx:Application>

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Passing parameter to URLRequest : URLRequest « Development « Flex

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