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Forum:
Visual FoxPro
Catégorie:
Base de données, Tables, Vues, Index et syntaxe SQL
Titre:
Relation
Divers
Thread ID:
01225516
Message ID:
01225516
Vues:
58
I have an invoice an its itens
Both cursors are buffered as 4

The ID field of the invoice_header.dbf has a relation
with the ID of the iten.dbf

I generate the ID of the invoice_header.dbf by

***************************
dimension lctemp[1]
select max(ap.id2) from ap ;
into array lctemp
lcTemp[1] = nvl(lcTemp[1],0)+1
replace ap.id2 with lctemp
*******************************

The code above is in the init event of the form

Then, as itens are added :

replace iten.id with invoice_heard.ID

So I can see in the form, the header and its itens while they are added

But this would cause problem in a network
because the same ID could be generated
by both operators

How do you guys overcome it ?

I would generate the ID only in the save method, but
this way I would not be able to see the itens


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