You can get Invalid Input for a field you have marked in the DD as not being able to be empty (which VPM mis-names as Null).

Hank


>>It's a recursive descent down the directory tree, adding each sub-directory to the path, from the home directory, written in the days when you had to change the default directory to get ADIR to work right.
>>
>>Hank
>>
>
>Hank,
>
>Sorry for unrelated question. I created a numeric textbox class which is a subclass of a _textbox class which in turn is a subclass of several more layers.
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>I created a simple form with few textboxes using this class. All properties of the textbox are left to default values except for SelectOnEntry property set to .T.
>
>I'm getting a wait window message 'Invalid Input' and I have to kill VFP.
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>I spent 3 or more hours already trying to figure out what's wrong. The more complex form using this class works OK.
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>The code hierarchy is so deep, that I can not really trace it and find out how to not perform any field level validation.
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>I tried setting lNoFieldValidation property of the form to .T. to no avail.
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>I'm very depressed now after spending so much time on this trivial problem and not even close to the fix.
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>Any ideas?
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>BTW, the form itself has absolutely no custom code - it is just a form with few textboxes sharing the DS of the parent form.