chech this
http://web2py.com/books/default/chapter/29/07?search=onupdate
may help.
On Wed, Oct 3, 2012 at 9:49 PM, alex <a22...@gmail.com> wrote:
>
> I have a SQLFORM.grid.
> When the user updates field 'a' in the grid, before submitting the form,
> field 'b' should represent a calculation based on value of 'a'.
> For instance b=a+1
>
> db.py
> db.define_table('t',
> Field('a', type='integer'),
> Field('b', type='integer')
> )
>
> default.py
> def index():
> grid = SQLFORM.smartgrid(db.t)
> return locals()
>
> index.html
> {{extend 'layout.html'}}
> {{=grid}}
>
> Someone can help?
>
> --
>
>
>
>
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