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From Scott Eade <>
Subject Re: A Counter within a Loop controller?
Date Fri, 13 Dec 2002 23:50:27 GMT
> From: Michal Kostrzewa <>
>> purpose.  An additional requirement however is that the pages within the
>> loop need to pass a parameter whose value increases sequentially (this
>> being the "_session_access_counter" that a turbine application uses to
>> ensure that a page is not reposted).
> Sorry if I didn't understand the problem, but...
> Is it sufficient to simply send _session_access_counter value received from
> the previous response? How the browser knows what to send? It doesn't have
> counter itself, does it? I think the application server places appropriate
> _session_acces_counter in links, actions of forms etc, and the browser simply
> answers with that value. This value is of course invalid when you
> refresh/back your page. Am I right?
> If so, making requests with _session_counter evaluated arbitrary (from
> application server point of view) from loop controller will not work. You
> will have to provide exact starting value and keep numbering consistent. And
> what if you want next requests outside the loop - implementing counter in
> loop controller won't suffice.
> If I am right, my advice is to parse this number from previous request
> (__regex or link modifier)
> Does it make any sense?
You are correct - the whole point of _session_access_counter is to retrieve
it from the previous request.  I'm so busy looking at thr forrest that I am
not seeing the trees!
> best regards
> Michal Kostrzewa

Thanks Michal,

Scott Eade
Backstage Technologies Pty. Ltd.
.Mac Chat/AIM: seade at mac dot com

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