Data binding with data model example code:-


<?xml version="1.0"?>
<mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">
    <mx:Model id="datamodel">
        <data>
            <firstname>{firstname.text}</firstname>
            <lastname>{lastname.text}</lastname>            
        </data>
    </mx:Model>   
    <mx:TextInput id="firstname" width="200"/>
    <mx:TextInput id="lastname" width="200"/>   
    <mx:Label text="{datamodel.firstname}"/>
    <mx:Label text="{datamodel.lastname}"/>
</mx:Application>