Implementing form validation
As we venture deeper into the realm of form controls, we come across a critical aspect of any form—validation. Ensuring the data entered by users is valid and as expected is paramount to maintaining data integrity and providing a seamless user experience. It’s not just about checking whether a field is empty or not; it’s about ensuring the data is in the right format, within certain limits, or meets any other criteria you set. In this section, we’ll explore how to implement form validation using Angular and PrimeNG.
Understanding Angular form states
Before diving into the details of Angular form validation, let’s first discuss some important concepts related to form validation. In Angular, a form is represented by the FormGroup
class, which contains an organized collection of form controls such as input fields, checkboxes, and dropdowns.
Angular form validation revolves around the state of the form controls. There...