How move data from Form to Table and back without saving to DB?

[bpj]

What you describe is essentially what a shopping cart is, just you want it displayed on the same page in a table. And instead of processing payment, you just save the info to the DB at the end

This should give you a good start:

Creating a Shopping Cart with the Data Store Component

The Data Store component allows you to store and edit local data in a simple local storage driven database. You can use this component to create a shopping cart, favorite products list, task lists etc. In this tutorial we will show you how to add a shopping cart functionality to your site. Local Storage vs Session Storage You can select between storing your data in the browser local storage or session storage. What are differences? Local Storage The Local Storage stores data with no expirati…