[Seaside] Isolate doesn't seem to work

[Andres Fortier]

Ok, I'll auto-reply to myself :). When I try to submit an isolated page 
I get that the page has expired, so that's it.

Sorry for the noise.

Regards,
         Andrés

Andres Fortier escribió:
> Hi list,
>         Sorry if this is a newbie question. I need to avoid a user 
> re-submitting a form by using the back button and I thought #isolate: 
> was the way to go. However, I don't seem to be able to put it to work. I 
> tested two simple examples (the one that comes with the seaside 
> installation and the one in David Shaffer's tutorial) and both of them 
> fail in the sense that it allows me to navigate with the back and 
> forward button as much as I want. One of the examples is:
> 
> WATask subclass: #IsolateExample
> ...
> go
>     self inform: 'Before isolate'.
>     self isolate:
>         [self inform: 'Step 1'.
>         self inform: 'Step 2'.
>         self inform: 'Step 3'].
>     self inform: 'After isolate'.
> 
> Once I end in the 'After isolate' page, I can use the back button and 
> navigate 'Step 3' -> 'Step 2' -> 'Step 1' -> 'Before isolate'. As a 
> matter of fact I can move with the back and forward buttons as if the 
> "self isolate:" part wasn't there. Is this the expected behaviour? 
> Should I set-up seaside in a particular way to support isolation? Or 
> have I misunderstood the purpose of #isolate:?
> 
> Thanks in advance,
>           Andrés
> 
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