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TDBLookUpComboBox Shadowing

Posted on 2003-02-25
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Last Modified: 2010-08-05
Hi there, looking for help from you Delphi gurus out there.

I have 2 TDBLookUpComboBoxes that both point to the same table and same database.  I would like it that if I click and choose a record in the 1st lookupcombobox that maps to a field in the table e.g a customer number then the 2nd combobox will change automatically to display that customer's name and vice versa i.e. if I choose a customer's name in the 2nd combo then the 1st should change to show his/her customer number.

I know that both these fields can be displayed and combined within the same lookupcombo using the ';' operator in the LookupDisplay property but for certain reasons I'd like to do it this way.

I've tried everything but when I change the 1st LookUpCombo, the 2nd one doesn't change and vice versa.  Funnily enough, when I use a TDBLookUpListBox control rather than a combo (using the tableindex number in the keyfield property), it works fine and both change to map each other's choices but I need a combobox and the lookupcombo doesn't seem to have a keyfield property like the listbox.

Can anyone help?

Many Thanks
-Rod
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Question by:rodski
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LVL 27

Accepted Solution

by:
kretzschmar earned 240 total points
ID: 8017068
modify the keyvalue of the other lookupcombo,
to the keyvalue you have in the current lookupcombo

meikl ;-)
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Author Comment

by:rodski
ID: 8017912
Wow, that does the trick.  Thanks Meikl for your quick response - you get the points (which I've increased to 60).  I can almost feel the frustration flowing out of my body...

-Rod
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LVL 27

Expert Comment

by:kretzschmar
ID: 8019080
glad to helped you, rod,
good luck again

meikl ;-)
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