How to trigger Angular 2 input validation manually?

Question

I have two inputs: - First one on which I apply my custom validator - Second one which value I use in my custom validator (it is dynamic and editable)

If I apply my cust

Answer 1

You can update the validity of a formControl

form.controls['myControl'].updateValueAndValidity();

Answer 2

I found this to be much better

this.myForm.markAllAsTouched();

Answer 3

If you have template-driven form you can access form throw ViewChild decorator:

@ViewChild('myForm') public form: NgForm;

then, validate one field or the whole form group using method mentioned above:

this.form.controls.myControl.updateValueAndValidity();