In addition to passing hidden form elements between pages and
potentially employing some of
merlyn's above mentioned techniques,
you might consider session management through the use of
Apache::Session.
Granted this is a server-based session-management solution
and requires the installation of Apache webserver and
mod_perl (optionally MySQL or PostgreSQL), so YMMV.
Just throw in a Web application development framework like
HTML::Mason or Text::Template and you too could be the next
amazon.com!!!! :) see princepawn's node for some framework
starting points...
<tip>When using server-based session management,
instead of storing lots of user data in the session consider
storing only the row id from the user's login profile in the
session. That way with one quick query to the database on
a page reload you have all the user profile information.
There are of course pros and cons to this, but for some
applications such a technique would be desirable.
</tip>
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