Hi i have two radio button in group g1 like this <mx:RadioButtonGroup id="g1"/> <mx:RadioButton groupName="g1" selected="true" name="X" label="XYZ" x="135" y="3"/> <mx:RadioButton groupName="g1" name="A" label="ABC" x="135" y="25"/>
and my objmodel's property 'ptype' is bound with current radio button like this BindingUtils.bindProperty( objModel , "ptype" , g1.selection , "name" ); but its seems binding is not working properly when i change the radio selection can anyone tell me what cud be the problem