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Re: CoreData Tutorial bindings



Thanks for the feedback. As a matter of fact, after sending my question, I realized that the employee ID text field shouldn't be altered and when I looked at the "bind" check box in its inspector, it was checked. I have no recollection of having done this (but then, neither do I remember lots of other things that I should!). Anyway, the problem has been solved.

Boyd


On Jul 27, 2005, at 7:01 PM, mmalcolm crawford wrote:


On Jul 27, 2005, at 6:36 PM, Boyd Collier wrote:


When the user interface is automatically created by Interface Builder following the instructions in the tutorial, 3 array controllers are created, two of which are for employees. When I used the NSTextFieldInspector for "Employee ID:" in the interface, it was bound to Employee Array Controller 2 (NSArrayController) rather than Employee Array Controller (NSArrayController). Changing this to Employee Array Controller (NSArrayController), that is, to the other NSArrayController that was automatically created, fixed the problem.
Question: Is there something in the tutorial that I missed, or is the tutorial deficient in not making explicit which NSArrayController Employee ID is supposed to be bound to? Or is the step I missed so obvious that someone more experienced with Cocoa would be expected to know it and therefore it was left out of the tutorial?



The tutorial does not require that the employee ID text field be altered. Interface Builder creates the user interface automatically, and I can't offhand think of any reason why it should make an erroneous connection as you describe. What happens if you remove the existing user interface elements and the controllers, and recreate the UI from scratch (as described in <http://developer.apple.com/documentation/Cocoa/Conceptual/ NSPersistentDocumentTutorial/02_CreatingProj/ chapter_3_section_4.html>)?


mmalc

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References: 
 >CoreData Tutorial bindings (From: Boyd Collier <email@hidden>)
 >Re: CoreData Tutorial bindings (From: mmalcolm crawford <email@hidden>)



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