![]() ![]() The only thing we can do is re-enable the form and disable the postal code form control after it. After they are resolved we want to enable the form again, but don’t want to lose our initial state of our form controls as the postal code must only enable when a country is selected. In this instance we want to disable the complete form as long as the countries haven’t been resolved. Upgrade your code with a variable ‘cond’ and if this is true you disable the form. ![]() Checkbox using FormControl FormControl with FormGroup using FormControlName. like suggested by JB Nizet the disabled expects only a boolean value (true or false). To populate the list of countries we make use of an external API. I am sharing an article on how to dynamically display controls in FormArray using Angular 5 Reactive Forms and enabled/disabled the validators based on the selection. This content highlight a simple solution to enable/disable a FormGroup in Angular. ![]() Let’s say we have a use case where the postal code is disabled by default as long as a country is not selected from the list. Why preserving initial form state can be useful This might be the intention but there are many instances you rather prefer not to lose that state. We lost the initial disabled state of our form controls. Our email form control that was disabled initially isn’t disabled any longer. I have a function that enables a control on click.After re-enabling our form there is a difference with our initial state. Otherwise, the value property is the best way to get the value of the group. If you'd like to include all values regardless of disabled status, use this method. & perhaps overkill on the HTML logic, so hope you find the bonus integrated ngClass toggle just as helpful. According to the documentation: The aggregate value of the FormGroup, including any disabled controls. Anyway, I simply wrapped the FormGroup in an object. Im on Angular 7 now, and it appears disable() will disable all form controls, then unfortunately enable() will enable them all, even if they were previously. So in whatever method in your component you are calling you should disable the input like this: ('name'). With reactive forms you should never disable an input from the template. My code is pretty simple, that's why I haven't posted it. The proper way to disable an form control. ![]() Being that I rely on this dirty flag, is there a way to avoid it I mean, disabling should not cause the FormGroup to become dirty. THE GRAND FINALÉ - disable entire form or individual controls However I noticed the FormGroup becomes dirty. I have a FormGroup that was created like that: form: FormGroup Ĭonstructor(private _formBuilder: FormBuilder) ![]()
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