Hello. I just created a grid of a detail of an invoice and shows it well. I charge
to start a local datatype (i use a local array) because i don't
touch the database, I just want to be able to insert,
edit and delete rows on the client side. And then when this
ended, newly obtained data and upload it to the database. But by adding
does nothing, call to “someurl.php”, but i don't know what to do with those
data to update the data grid.

This is the code