This back button give me a lot of problems. Is there someone that could 
give an example?

Il giorno giovedì 29 ottobre 2015 10:14:26 UTC+1, kecajk...@gmail.com ha 
scritto:
>
> Hi Guys, 
>
> I need a hint on how to create back button in web2p y form.
>
> def grid1():
>     links = [lambda row: A(SPAN(_class='icon 
> magnifier'),'Form1',_class='button btn 
> btn-default',_title='Form1',_href=URL("default","form1",args=[row.id]))]
>     query=(db.test.id>0 )
>     grid = SQLFORM.grid(query=query,links=links)
>     return dict(grid=grid)
>
> def form1():
>     form = SQLFORM.factory(
>         Field('test',requires=IS_NOT_EMPTY())
>         )
>     form.add_button('Back',request.env.http_referer)     
>     return dict(form=form)
>
>
> It works fine when i click test button in grid view, i'm redirected to 
> form1 page and when i click Back button I'm again on grid view page. 
> However when i click Submit without providing any value in Field "test" on 
> form1, it display error saying field can't be empty - that's where 
> request.env.http_referer 
> is probably updated and start to point to form1 instead of grid1. When i 
> click Back button now, I'm still on the form1 page.
> Could You share some hints? 
> Cheers!
>
>
> On Friday, 3 January 2014 12:56:47 UTC+1, Gael Princivalle wrote:
>>
>> Yes, that's the fastest solution. I will tried first to call a different 
>> html page for the custom single record view page, instead of calling the 
>> same where I have the grid. Thanks a lot.
>>
>> Il giorno domenica 29 dicembre 2013 18:28:06 UTC+1, Niphlod ha scritto:
>>>
>>> your problem is architectural: you just proved that you can't rely on 
>>> the referrer header to make the app behave like you'd wish. 
>>> Save the "back" url in a session variable and use that one instead ^_^
>>>
>>> On Sunday, December 29, 2013 4:02:48 PM UTC+1, Gael Princivalle wrote:
>>>>
>>>> Goog question.
>>>>
>>>> In fact initialy referer is my previous page (http:
>>>> //.../default/products_listing?keywords=od), and after when the 
>>>> browser load js and css files referer is my single view page (http:
>>>> //.../default/products_listing/view/products/376?keywords=od).
>>>>
>>>> I think a way to resolve it is making a different html page for the 
>>>> single row view. Have you got any suggestion ?
>>>>
>>>> Thanks.
>>>>
>>>

-- 
Resources:
- http://web2py.com
- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
--- 
You received this message because you are subscribed to the Google Groups 
"web2py-users" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to web2py+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/d/optout.

Reply via email to