What's was missing in my code were the transaction commands for the 'local' data. I had based the structure on a text I found in VFP5 documentation or some other doc. In the online help (section 'Programming for shared access') that comes with vfp6 I found the answer. Here's the structure that did perform well (from the head):
sqlsetprop( handle, 'transaction', 2 )
BEGIN TRANSACTION
ok=.f.
do case
case tableupdate(blabla)
case tableupdate(blabla)
case tableupdate(blabla)
otherwise
ok=.t.
endcase
if ok and sqlcommit(handle)
END TRANSACTION
else
sqlrollback(handle)
ROLLBACK
endif
Note the capitalized commands. It's a pity that this requirement isn't stated more clearly in the documentation, e.g. where the sqlsetprop, sqlrollback and sqlcommit are explained.
Groet,
Peter
Groet,
Peter de Valença
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