Alex,
When your request is being processed by the ND Server, one copy of the
entire project graph (all the objects belonging to the project) is entirely
in your custody, only to be released after your reply is sent. As long as
page2 is in the same project, you are absolutely safe.
I am not sure if this would be safe if page2 were in a different project,
and I wouldn't attempt to do it without further investigation or assurance
from somebody.
Regards,
Aby
-----Original Message-----
From: Teplitsky, Alexander [mailto:[EMAIL PROTECTED]]
Sent: Monday, October 18, 1999 1:49 PM
To: 'NetDynamics Developers forum'; 'Aby Mathew'
Subject: RE: [ND] Passing data to the next page
Aby,
Thanks for your reply. But is it safe to use instance variable in Page 2 ?
Its value may be changed by a concurrent user since all sessions use the
same instance of CSpPage.
Does anyone have any comments ?
Thanks !
Alex
> ----------
> From: Aby Mathew[SMTP:[EMAIL PROTECTED]]
> Sent: Monday, October 18, 1999 11:46 AM
> To: Teplitsky, Alexander; 'NetDynamics Developers forum'
> Subject: Re: [ND] Passing data to the next page
>
> You don't need UserSessionObjects to pass data from one page to another
> with
> the same *web event* -the entire sequence of events that happen between an
> http request and the reply.
> You can have an instance variable in Page2 and set it from page1 before
> loading page1.
>
> I mean, the following the code absolutely safe:
> ==============================
> on Page1 ->
> btSubmit_onWebEvent () {
> Page2 page2 = (Page2) CSpider.getPage("Page2");
> page2.iVector = theCSpVectorIGotFromRepeated;
> page2.load();
> }
> ==============================
> I believe instance variables are much 'cheaper' than UserSessionObjects.
>
> Aby
>
> -----Original Message-----
> From: Teplitsky, Alexander [mailto:[EMAIL PROTECTED]]
> Sent: Friday, October 15, 1999 5:52 PM
> To: 'NetDynamics Developers forum'
> Subject: [ND] Passing data to the next page
>
>
> On my ND page (pg1) I have one textbox outside of repeated (let's call it
> TB1) and one (TB2) inside the repeated (rpt1).
> I am trying to pass data from those textboxes and store it in the hidden
> fields on the next page (pg2).
>
> Page pg2 has hidden HD1 where the value of pg1.TB1 will be stored. This is
> easy to do with ND wizard.
>
> Page pg2 also has repeated (rpt1) with hidden HD2 in it. HD2 should have
> values from pg1.rpt1.HD2. ND wizard doesn't let me to
> send all values HD2[0] ... HD2[n] to the destination page. I know that I
> can
> save the values in the repeated in CSpVector and pass it using
> putUserSessionObject("vector"). However I am not sure that this would be
> the
> best solution because CSpVector may be to big for ND's session to handle.
>
> My questions are
> 1) Is there some other way to do this ?
> 2) Is there a limit on the size of data that can be passed ?
> 3) Does removeUserSessionObject() reclaim some space for use ?
>
> Thanks,
>
> Alex
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