In this chapter, we will be looking at how to better validate posted form data, by extending the
Model class. This allows us to relegate a task typically involved with the data of our application to the model where data (or business logic) should dwell.
- We need to extend our Model class to include methods of posted form data validation, and to apply this validation before allowing rows to be added, updated, or deleted.
- We need to create the action and view for the settings page.
Getting validation right can be a tricky thing, particularly when the aim of MVC is to allow for good separation of concerns. ...