Form validation is not working in angular?

Question

I want to check whether the dropdown is empty.

Need to show the required message and

If not empty, enable the submit button.

If empty, disable the

Answer 1

You have to insert the validator into the form builder object.

Have a quick look at:

https://angular.io/guide/reactive-forms#validatorsrequired

this.heroForm = this.fb.group({
  name: ['', [Validators.required] ],
});

As for the button:

Add