You're setting text in the function declaration. Given that's
there, you shouldn't need the binding in Choice1 for anything.
The states (IIRC), shouldn't interfere with you setting the
property, unless the component hasn't been added to the display at
the time you set the property. Simply make sure you enter the right
state before setting properties on components in that state.
Without a full code snip, it's difficult to see if anything
else is wrong. Post some chunks of your state code if you're still