You cannot add buttons to a readonly crud form because it has no button
row. You can do:
form.components.append(A('Back',_onclick="window.history.go('-1')"))
On Sunday, 3 September 2017 13:49:31 UTC-5, Andrea Fae' wrote:
>
> I use in a method this
> form=crud.read(db.evento,evento)
>
> and the html vies is very simple
>
> {{extend 'layout.html'}}
> <h1>Evento</h1>
> {{=form}}
>
>
> how to add a simple button to go back in the previous page? I tried
> form.add_button('Back', URL('index'))
>
> but I have this error
> <type 'exceptions.AttributeError'> 'NoneType' object has no attribute
> 'parent'
>
> Thanks
>
>
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