Processing Forms
Explore the flow of form processing in Rails by using Action View helper methods like form_with and text_field. Learn how model attributes map to HTML form fields, how Rails constructs the params hash from submitted data, and how to update model objects with form input. This lesson helps you handle form data structures effectively within a Rails application.
We'll cover the following...
We'll cover the following...
Flow of form processing
In the figure below, we can see how the various attributes in the model pass through the controller to the view, onto the HTML page, and back again into the model. The model object has attributes such as name, country, and password. The template uses helper methods to construct an HTML form to let the user edit the data in the model. Note how the form fields are named. The ...