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IF Statement Doesn't Seem to be Working
Message
De
05/08/1998 05:46:14
 
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Divers
Thread ID:
00123956
Message ID:
00123989
Vues:
15
>>>>IF Statement Doesn't Seem to be Working
>>>>
>>>>I have numeric fields in a table of employee absence data as follows ...
>>>>
>>>>Abs.late
>>>>Abs.absent
>>>>Abs.early
>>>>
>>>>I have written an error-checking IF statement that doesn't seem to be working, but yet, VFP does not generate an error on it either.
>>>>
>>>>
>>>>IF Abs.late=0 AND Abs.absent=0 AND Abs.early=0
>>>> MESSAGEBOX('You need to make a non-zero entry') + CHR(13) + ;
>>>> 'in either Late:, Absent:, or Early:', 0+48+0, 'Error')
>>>>
>>>>
>>>>Even if the fields Late, Absent, & Early contain zeros (0.00), this MESSAGEBOX never gets processed, the program just goes right on as if everything is fine.
>>>>
>>>>Need help. TIA, CH.
>>>
>>>0.0 and 0 is no difference at all.
>>>
>>>I suspect the pointer is not sitting on the desired record. However, try:
>>>
>>>
>>>
>>>IF Abs.late==0 AND Abs.absent==0 AND Abs.early==0
>>> MESSAGEBOX('You need to make a non-zero entry') + CHR(13) + ;
>>> 'in either Late:, Absent:, or Early:', 0+48+0, 'Error')
>>>
>>
>>
>>This won't make a difference. Exactly equal ( == ) only works with character data.
>
>Oppps..sorry for being innocent on the workaround of == Craig. Maybe G. Santerre has the right solution: ISNULL()

I would go by Jim's idea. Try SCATTERing the current record and replace abs.late with m.late and see what happens. I know this may sound daft, but if you have your code embedded within loads of WITH/ENDWITH, IF/ENDIF blocks, do check them to see if all of them match.
Sanjay Kapoor

Relatively speaking is a conversation with Einstein
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