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Alex Rivera
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I hope to express myself with appropriate terms. I have three entities: customer , country , state . Between country and state , there are two relationships. So I can create a number of countries and select one of these I can create a number of states that belong to it. For creating the interface of the entity "customer" I put three NSPopUpButton's : The first selects the country , The second shows the states related to the selected country . The last shows the zip code related to the chosen state. My problem is that I can not pass data through the chosen NSPopUpButton entity "customer". The NSPopoUpButton works by binding: Content (bind to:country, arrangedObjects), Content Values (bind to:country, arrangedObjects, model key:country), Selected Index (bind to:country, selectionIndex). What can I do to ensure that the data selected by the three NSPopUpButton's are recorded in the appropriate fields of the entity "customer"?
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