Receiving and displaying XML data via HTTPService

Question

Hi folks. I am a pretty experienced database programmer, I
work with a software called Magic eDev, but I'm a complete newby in
Flex.
I am trying to use Flex 3 to create a web / client interface
for an application written in Magic eDev. I've made a very simple
Flex App to read an XML file generated by another application
written in the third party software (Magic eDev 9.4) via
HTTPService. I think I have the HTTPService request part figured
out, This little Application does not cause any errors in Flex.
However, I am not seeing my data in the display. If I manually try
the URL query to the Magic App, I do get the XML file with the data
in it, but Flex doesn't seem to see anything.
I just want to get two fields via the HTTPService data and
display them, but I'm not getting any result. I can't even tell if
Flex is actually querying Magic or not. Can anyone explain what I'm
doing wrong?
Also, is there some way to monitor what the Flex app is doing
when you run it, as you can in some other systems?
Here is my code:
<?xml version="1.0" encoding="utf-8"?>
<mx:Application xmlns:mx="
http://www.adobe.com/2006/mxml"
layout="vertical"
verticalAlign="middle"
backgroundColor="white">
<mx:Script>
<![CDATA[
import mx.rpc.events.FaultEvent;
import mx.rpc.events.ResultEvent;
private function serv_result(evt:ResultEvent):void {
var resultObj:Object = evt.result;
userName.text = resultObj.catalog.username;
emailAddress.text = resultObj.catalog.emailaddress;
private function serv_fault(evt:FaultEvent):void {
error.text += evt.fault.faultString;
error.visible = true;
form.visible = false;
]]>
</mx:Script>
<mx:String id="XML_URL">album.xml</mx:String>
<mx:HTTPService id="loginService"
url="
http://localhost/magic94scripts/mgrqcgi94.exe"
method="POST"
result="{ResultEvent(event)}" fault="{FaultEvent(event)}">
<mx:request>
<appname>FlexDispatch</appname>
<prgname>Test</prgname>
<arguments>username,emailaddres</arguments>
</mx:request>
</mx:HTTPService>
<mx:ApplicationControlBar dock="true">
<mx:Label text="{XML_URL}" />
</mx:ApplicationControlBar>
<mx:Label id="error"
color="red"
fontSize="36"
fontWeight="bold"
visible="false"
includeInLayout="{error.visible}"/>
<mx:Form id="form"
includeInLayout="{form.visible}">
<mx:FormItem label="resultObj.catalog.username:">
<mx:Label id="userName" />
</mx:FormItem>
<mx:FormItem label="resultObj.catalog.emailaddress:">
<mx:Label id="emailAddress" />
</mx:FormItem>
</mx:Form>
</mx:Application>
This is what the XML file looks like:
<?xml version="1.0" ?>
- <catalog>
<username>DaveID</username>
<emailaddress>DaveName</emailaddress>
</catalog>

Answer 1

I'm sorry to be a pest but this link doesn't seem to work!! I
keep getting this error:
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