This is a very interesting article (posted at Dynamic Flash) related Binding in Flex. [Bindable] is one of the most attractive features of the flex framework. But, there’s a lot more to it than meets the eye. This post should clear up some of those clouds.
Databinding has to be just about one of the coolest features in Flex 2, allowing you to bind a property to the value of a property of another object. When the property of that object is updated, the value of the bound property will automatically be updated. This is mainly used in Flex to update UI components when the data for the model changes.
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Check out my samples for the different ways to use binding:
http://labs.flexcoders.nl/?p=24