>>>>My users are complaining that if they enter an invalid date in a textbox and then try to save the form by clicking on the toolbar button without leaving the field, the record is saved with an empty date. What's the best way to keep them in the field and warn them of the invalid date entry?
>>>>
>>>>Thanks,
>>>>Elyse
>>>
>>>Return a .F. or a 0 from the text box valid event. Should keep them there until they enter a valid date.
>>
>>But it's VFP that's determining the validity of the date. How can I control that?
>
>I see what you mean now. I have duplicated this and if I can come up with anything I will post it.

What is set notify option for this form? Try to set it on.