You are absolutely right, my changeable were set with autocommit to
false. Maybe while experimentig I've changed that :(
It's time I sleep for a long, long time...
thanks again
Marco

--- In IBObjects@yahoogroups.com, "Thomas Steinmaurer" <ts@i...> wrote:
> > Are the two dataset linked with two different transaction components?
>
> Yes.
>
> The changeable dataset uses a TIB_Transaction with AutoCommit:=True
> and IsolationLevel:=tiConcurrency
>
> The recipient dataset uses a TIB_Transaction with AutoCommit:=False
> and IsolationLevel:=tiCommitted
>
> This works fine for me.
>
>
> Thomas.