I have also tried to the information from here 
- https://web2py.wordpress.com/category/web2py-and-tables/
but it also didn't work with the same error "NoneType' object is not 
iterable"

On Wednesday, 13 August 2014 22:14:46 UTC+2, Anna Kostikova wrote:
>
> Dear list,
>
> I am trying to create a search form to access a table in database and then 
> return a table of result into a view (same page), but displaying only 3 
> records and next/prev buttons to scroll over results (e.g. I want to have 
> pagination of the table display results). I am trying to follow an example 
> from 
> http://web2py.com/books/default/chapter/29/14/other-recipes#Pagination, 
> but have some issues.
>
> My code in default.py is:
>
> def search():
>     rows = None
>     page = 7 # fixing for a moment
>     items_per_page = 3 # fixing for a moment
>     form=FORM('Tool name:',
>               INPUT(_name='name', _id='name', requires=IS_NOT_EMPTY()),
>               INPUT(_type='submit'))
>     if form.accepts(request,session):
>         response.flash = 'form accepted'
>         if request.vars:
>             rows = db(db.mytools.name.contains(request.vars.name)).select(
> db.mytools.name, db.mytools.description) 
>     elif form.errors:
>         response.flash = 'form has errors'
>     else:
>         response.flash = 'please fill the form'
>     return dict(form=form, rows=rows, page=page, 
> items_per_page=items_per_page)
>
> If I have in search.html following code, everything works:
>
> {{=form}}
> {{=rows}}
>
> but as soon as I try (the example from tutorial)
>
> {{for i,row in enumerate(rows):}}
> {{if i==items_per_page: break}}
> {{=row.value}}<br />
> {{pass}} 
>
> {{if page:}}
> <a href="{{=URL(args=[page-1])}}">previous</a>
> {{pass}}
>
> {{if len(rows)>items_per_page:}}
> <a href="{{=URL(args=[page+1])}}">next</a>
> {{pass}} 
>
> I have an error "NoneType' object is not iterable"
>
> What am i doing wrong? (i am newbie to web2py, so sorry if i have super 
> obvious code errors).
>
> Thanks a lot,
> Anna
>
>
>

-- 
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