Apache – Flex: Timer + HTTPService

If you are using userRequest.lastResult.user.name as the dataProvider for the data grid, what are your dataFields in the name and age columns?

There is another easy way to do this. Let's say the xml structure is something like:

<someRootTag>
 <user>
  <name>jones</name>
  <age>34</age>
  <height>180cm</height>
 </user>
 <user>
  <name>john</name>
  <age>4</age>
  <height>100cm</height>
 </user>
 <!--more <user/> tags-->
</someRootTag>

You can achieve this using data binding. Note that resultFormat of HTTPService has been changed to e4x from the default object

<mx:HTTPService id="service" url="data.xml" resultFormat="e4x"/>
<mx:DataGrid id="dg" dataProvider="{service.lastResult.user}">
    <mx:columns>
        <mx:DataGridColumn dataField="name"/>
        <mx:DataGridColumn dataField="age"/>
    </mx:columns>
</mx:DataGrid>
<mx:Form>
    <mx:FormItem label="Name">
        <mx:TextInput text="{dg.selectedItem.name}"/>
    </mx:FormItem>
    <mx:FormItem label="Age">
        <mx:TextInput text="{dg.selectedItem.age}"/>
    </mx:FormItem>
    <mx:FormItem label="Height">
        <mx:TextInput text="{dg.selectedItem.height}"/>
    </mx:FormItem>
</mx:Form>

The only AS code you need is to call service.send() from creationComplete of the application.

When you execute a shell command in php, the user running the command is the user running the web server daemon, and that user may not have the rights to run your C application. Make sure you gave rights to that user over your C application and try again. Also, that application must output to the standard output, if it outputs elsewhere (such as error output), shell_exec() won't return that content.