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angular 4 form builder example - Tutorial

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FormBuilder in Angular 4

Angular form builder having API’s through which we can manage our form controls in form groups.  FormBuilder returns form group object using roup method. we are only passing the initial value and Validators for form control instead of creating a FormControl object manually every time. We do not need to make any changes in the template, it just works, this is a simplified API.

Example

Step 1:

Create a new component (formbuilderex.component.ts) and add following code.

ng g c formbuilder 

Step 2: Add Following code FormBuilder.component.html

Step 3: Pass reference of formbuilder component in app.component.html.

<app-formbuilderex></app-formbuilderex>
Step 4: Run
ng serve –open
Output:
angular 2 form builder

angular 2 form builder

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