At 09:12 AM 2/05/2003 +0000, you wrote:

>Hi all;
>
>I use IBO_4_ld on D5 ent.
>
>I got a problem about parameter of Tiboquery.
>
>this is the situation:
>
>Tibodatabase -> Tibotransation ->Tiboquery
>
>Tibodatabase.databasename := \examples\employee.gdb
>
>Tiboquery.sql:
>select * from employee
>where dept_no = :dept_no
>
>bitbtn1.onclick:
>
>Tiboquery.close;
>Tiboquery.params[0].value := '623';
>Tiboquery.open;
>
>bitbtn2.onclick:
>Tibodatabase.close;
>Tibodatabase.open;
>Tiboquery.close;
>Tiboquery.params[0].value := 'ZZZ';
>showmessage('before open:'+Tiboquery.params[0].asstring);
>Tiboquery.open;
>showmessage('after open:'+Tiboquery.params[0].asstring);
>
>first I click bitbtn1, then
>I click bitbtn2.
>the message as follow:
>[before open:ZZZ]
>[after open:623]
>
>Does anyone know this problem before?

Try dropping a TIB_MonitorDialog onto your form. Call its Show method in
your FormCreate handler.

Now, watch what happens at the API. That will give you a clearer picture
of what is going on, and better clues for analysing your problem.

Helen