Raghib, welcome to web2py. It seems that many of your questions could be
answered by reading the documentation. I would suggest that before your
proceed with your project, you take some time to carefully go through the
documentation. And before asking a question, try to search the forum for
similar questions, as most of these have been answered before. Because
everyone here is volunteering their time, the expectation is that you put
in some effort to figure things out on your own as much as possible. Of
course, we're happy to help, but we'd rather not spend our time simply
reiterating what is already in the book or elsewhere on the forum. Thank
you.
Anthony
On Tuesday, December 15, 2015 at 1:48:38 AM UTC-5, RAGHIB R wrote:
>
> I have created wall.html where users can edit their dp (display picture).
> And I added extra field for dp in auth:
> auth = Auth(db)
> auth.settings.extra_fields['auth_user']= [
> Field('dp', type='upload' ),
> ]
>
>
> wall is:
>
> def wall():
> form = SQLFORM(db.auth_user.dp).process()
> return locals
>
>
> but when i open user.html, it says:
> <type 'exceptions.AttributeError'> 'Expression' object has no attribute
> 'writable'
>
>
> how do I correct this?
>
--
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