Thanks to all for your support
@Anthony, I have done this way!! That provie all values sum which is having
in grid.
#controller.py

grid = SQLFROM.grid(query,..,...)
a = grid.__dict__
b = sum([int(i.number_of_bags) for i in  a['dbset'].select()])

Please, Let let me know if any other way to do that!!
Best,
Sandeep

On Thu, Jul 26, 2018 at 3:13 AM Anthony <[email protected]> wrote:

> On Wednesday, July 25, 2018 at 5:41:26 PM UTC-4, Anthony wrote:
>>
>> On Wednesday, July 25, 2018 at 3:49:09 PM UTC-4, pbreit wrote:
>>>
>>> How about JavaScript?
>>>
>>>
>>> https://www.oreilly.com/library/view/javascript-cookbook/9781449390211/ch04s07.html
>>>
>>
>> Having the database do it is most efficient -- you neither have to get
>> all the data from the database into the Python environment, nor then send
>> it all to the browser -- just let the database do the calculations directly
>> and send only the result to the browser.
>>
>
> Also, note that the linked solution would sum only the values displayed in
> a single page of the grid, but the goal is to sum all the values in the
> database table.
>
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> - http://web2py.com/book (Documentation)
> - http://github.com/web2py/web2py (Source code)
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Resources:
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- http://web2py.com/book (Documentation)
- http://github.com/web2py/web2py (Source code)
- https://code.google.com/p/web2py/issues/list (Report Issues)
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