Colin,
Nice job on the site! There are headers being sent that cause the page
to expire immediately. If you've worked on commerce sites before, you
know what a problem the "back" button is. Using these headers was our
attempt to combat that problem. You may remove them if you wish
(they're in index.php3). Naturally, they do not completely solve it.
If you can find a better solution, please send diffs.
Thanks,
-jj
colin wrote:
>
> Hello,
>
> I've been messing about with FreeTrade for a week or so. Overall its a
> pretty comprehensive pack and I think I would like to work with it. My
> thanks to all involved, and I look forward to contributing something
> once I figure it out a bit more.
>
> I have it partially set-up on for testing on a site I'm working on.
>
> I admit that I've hacked some of the code about in a pretty ungracious
> fashion, but on the whole its been very responsive to my big feet ;-)
>
> You can see it working here:
>
> http://teak-furniture.co.uk/index.php3?SCREEN=department&department=2
>
> Anyway...
> I have a problem that if I add an item, then view the cart and click the
> browser 'Back' button I get a "Data Missing" response:
>
> ["This document resulted from a POST operation and has expired from the
> cache. If you wish you can repost the form data to recreate the document
> by pressing the reload button."]
>
> If the user takes the offer of a 'reload' at this point, another item is
> added to the cart. This is obviously a bit less than good.
>
> I've found that similar behaviour can be got out of the working-dogs
> demo by clicking the browser 'Forward' or Back button after adding an
> item and/or viewing the cart.
>
> I can't rely on my visitors not to do this and I'd really appreciate any
> help people on the list can offer about a solution.
>
> Many thanks
>
> --
> Colin Flack
>
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