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One to Many Relations or Not?
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To
05/11/1997 16:00:02
Mandy Mccord
Public Interest Breakthroughs, Inc.
Albany, New York, United States
General information
Forum:
Visual FoxPro
Category:
Forms & Form designer
Miscellaneous
Thread ID:
00058472
Message ID:
00058493
Views:
38
>>>Hi All!
>>>
>>>I've got a pageframe with 3 pages on it. Page 1 contains info from my parent table "SYSTEM", Pages 2 & 3 contain info from my child table "FEATURES".
>>>
>>>My Data Environment for this form contains these two tables with a relationship line joining the two based on systemid. I originally created the relationship with the "OneToMany" property set to True since there are occasions when there are several child records that relate to one parent record.
>>>
>>>All seems to work fine, except that when the user is on Page 1 and is using the navigations buttons to advance to the next/previous SYSTEM record it requires 2 clicks to go from SYSTEM record 2 to SYSTEM record 3. I've figured out that this is because there are 2 child records (in FEATURES) for parent record #2 so it's cycling through both to get to parent record #3. I know this, but I envision confusion for my users.
>>>
>>>If I turn off OneToMany in my relationship, there's no extra "Next" needed to go from 2 to 3, but then I miss the 2nd child record for parent record 2 on my Pages 2 and 3.
>>>
>>>Any ideas on how to handle this???
>>>
>>>MTIA!!!
>>>Mandy
>>
>>This is one of temp relationship liability. If you like to use it anyway, then it's your responsibility to set/reset OneToMany property programmatically (or SET SKIP TO .../SET SKIP TO).
>
>I was afraid you were going to say that... ;^). Thanks for the response!
>
>Mandy

If you set the .OneToMany property of the relation in your DE to .F., it won't be "officially" one to many, but should work fine. That is, unless your pageframe only shows one child at a time and you need the same nav buttons to see the next child. But I gather that's exactly what you don't need.
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