Use code in the 'lost focus' event like...
Me!SomeFieldName.Locked = True
Obviously, they could close the form and reopen it to return to 'unlocked'.
You might need to think about what happens as they move from one record to
another, etc.
Post back more details if you need a more detailed response. Let us know
what you are trying to accomplish. Are you locking it just to prevent
accidental changes, or are you trying to secure the change in some way?
Rick B
anybody know how to lock a field after moving to another
