Reading your original request a little more carefully, it appears you're
really looking for a way to immediately update the database when someone
changes a value in an HTML form.
Ajax is necessary.
Make an ajax call triggered by a change in the table's data, which sends
the change as GET or POST
As an ammendum to the prior response, you may want to look into using
AJAX with a streaming connection to the server. If you have a small
number of users, this works nicely (I have used it in production systems
before).
http://ajaxpatterns.org/HTTP_Streaming#Solution
If there are a large number
You'll have to use Ajax to make another HTTP request.
HTTP is not really designed for this, and it will make the site quite sluggish
most likely...
You should certainly make it an async call and not slow users down with this
"feature".
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