Multiple Bindings error

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i have created multiple arraycollections seen in code below. public vars. use arraycollections bindable data datagrids , text fields throughout program.

[bindable]
public var categories:arraycollection=new arraycollection
public var targetgriddata:arraycollection=new arraycollection
public var targetgridarray:arraycollection=new arraycollection

why binding work on var categories in above code (first var created)? thought bindable apply public var created below it? in addition, when try , add [bindable] below categories create next 1 bindable throws error "access of undefined property bindable" documentation see plenty of examples of using [bindable] multiple times in mxml file.

thanks in advance help!

having same problem.


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