>>>On page 1 we have a navigation grid. Is there a single place (method) in which to prevent user from changing to another page is record is locked for editing?
>>>
>>>TIA,
>>>
>>>Alex
>>
>>UIEnable (page or any object on it)
>>Cetin
>
>Cetin,
>
>How would you prevent page change?

Forget it. Deactivate fits better your case. With UIEnable per page you'd check if conditions for that page are ready and if not redirect to another page (and/or set things that should be done on activate/deactivate).
Cetin