Create Dynamic Form Control in Angular Reactive Forms | Reactive forms in angular | Angular Tutorial

Publié le: 26 septembre 2022
sur la chaîne: WebGentle
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In this Angular Tutorial Video, you will learn how to create dynamic form controls in angular reactive forms. To create dynamic form controls in Angular reactive forms, you can use the FormBuilder service to programmatically add form controls and groups to your form.

Here's an example of how to create a dynamic form control in a component using the FormBuilder service:

1. Inject the FormBuilder service in your component constructor:
we've injected the FormBuilder service in the component constructor and used it to create a new FormGroup object called myForm. We've also created a method called addDynamicControl() that will add a new form control to the myForm group when called.
When the addDynamicControl() method is called, it uses the addControl() method of the FormGroup class to add a new form control to the myForm group. The first argument to addControl() is the name of the new control (in this case, newControl), and the second argument is the initial value of the control (in this case, an empty string).

You can also create dynamic form groups using the same approach, by using the group() method of the FormBuilder service to create a new FormGroup object and then adding it to the parent FormGroup using the addControl() method.

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