Re: May a called form return a value to the calling one without globals ?

Dear Ezio,
No - forms cannot return parameters. You have to use GLOBAL settings- but it's rather simple. All you do is set the global to a default before calling, then read the global after the CALL_FORM statement, and then erase it.

You can only have "multible transaction sessions" if you use the OPEN_FORM (..... SESSION). CALL_FORM uses the current session, which means that COMMIT is COMMIT in all outstanding data. But you might have discovered that if you have outstanding changes in a form, CALL_FORM refuses to leave the form. You have to POST your changes first. This is excatly why. CALL_FORM belongs to the same session and a commit in the called form WILL commit your calling forms changes too.

Regards,
Peter

Ezio PAGLIA wrote:

> Dear friends,
>
> I want a called form ( through "open_form" or "run_product") to return
> a value to the calling form. Is it possible ?
> I need open_form (with SESSION) as I have to open another session.
>
> As an alternative do you know methods to manage a commit in a called
> form through call_form, without posting the changes in the calling form
> ?
>
> Thank you.
> ---
> Ezio PAGLIA
> Comune di Grosseto
> Settore Elaborazione Dati Statistica e Documentazione
> e-mail ezio_at_comune.grosseto.it
> Tel. +39-564-488706
> Fax. +39-564-21139
Received on Thu Oct 16 1997 - 00:00:00 CEST