I just used the firefox inspector to see the source and spot the id and tag
I need to get the non-writable field value, something like below:
var quote_id = jQuery('#quotation_id__row').children("p")[0].innerHTML;
Apologize for any bother, I am still learning a lot of stuffs eg. web2py,
javascript, even python. Often times I see other experience coders here to
leverage the API http://web2py.readthedocs.io/en/latest/index.html. For
this particular question, i thought I could find something from web2py to
toggle, so that i could read the value of an non-writable field, i went to
this above API link and did a search for FORM writable, but i didn't see
where it's building the HTML from web2py engine. Any basic guideline or
instruction how i can leverage this APIs. Sorry if it sounds dumb.
Now I can read the non-writable field from a FORM, I want javascript to
make a callback and return a json to update a few fields (non-writable)
fields in the FORM. Wonder what's the best way to do it, since they are
non-writable I can see from the firefox inspector that non-writable and
writable fields are structured like below with HTML elements. BTW, i could
retrieve the right data from jason and print them out using alert, but I
couldn't update the non-writable fields. Do I need to alter the HTML
elements for those non-writable fields to writable HTML element structure,
and reverse them back right after I update them? Any suggestion is
appreciated.
<https://lh3.googleusercontent.com/-eusFTb0OJlU/WTeIv6CjtrI/AAAAAAAAAyg/ACVL2hJG78UamFeUiATDSWTfq4g2K0DXACLcB/s1600/non-writable.png>
<https://lh3.googleusercontent.com/-Wu9qWqnPkYo/WTeJDf-8lAI/AAAAAAAAAyk/sywnenXTOVcQJk_bjdNQeUunYLG9K6yJgCLcB/s1600/writable.png>
On Wednesday, June 7, 2017 at 7:49:39 AM UTC+8, Rudy wrote:
>
> I posted a question a couple days ago asking how I can read a SQLFORM's
> field and update it using javascript when its writable=False (because user
> is not supposed to make change to the subtotal field manually, it should be
> calculated based on the sum of all the items), but I didn't get any reply.
> Now I wonder if anyone can share your insight how i can read a SQLFORM
> field which writable=False, thanks in advance!
>
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