>I would not allow it, still display a message box when the user tries to enter it. Alternatively, you could display the message box only if the user types the single quote twice or more in the same field. Ie: don't display it first time (maybe the user just mistyped), but display it if the user insists.
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>Vlad

Thanks Vlad. That sounds reasonable. Maybe I could build in a "slapping mechanism" that smacks the user in the face when they press the single quote more than once in a field...rrrrrmaybe not. some of my users would get beat up pretty bad :)

Thanks for suggestion.

John.