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Form - New Method - Memory Variable Behavior
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To
28/07/1999 11:40:01
General information
Forum:
Visual FoxPro
Category:
Forms & Form designer
Miscellaneous
Thread ID:
00246580
Message ID:
00247281
Views:
30
>>>Hi Chuck,
>>>
>>>>Worked! I appreciate it very much. Thanks, CWH.
>>>
>>>I use the Empty function probably more than I use IF! Is this the first you've ever heard of it?
>>
>>Not the first I've heard of it, but after having been stung by this strange SET EXACT ON / OFF issue when using "=" to do character string comparisons, I have a feeling I'll default to IF EMPTY() if possible. Thanks again!
>
>PMFJI--Empty() isn't automatically rushmore optimizable. If you are doing a select that has to be fast (or a count, or a scan-for) then you either need an index tag on empty(fieldname) or you need to say !field=="" or field>' '

I appreciate the info very much. Thanks, CH.
Chuck Henry
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