Angular 2 form validator for ionic 2

@zhouhaowowtv wrote:

Please refer to https://medium.com/@daviddentoom/angular-2-form-validation-9b26f73fcb81#.34i1pqpq5.

But I have a problem to implement angular 2 form validator in my ionic 2 project. Here is what I did:

• Create an ionic application

ionic start formValidator blank --v2

• In app/pages/home/home.js:

  import {Page} from 'ionic/ionic';
  import { FormBuilder,Validators,Control,ControlGroup,FORM_DIRECTIVES
  } from 'angular2/common';
  import {UsernameValidator} from '../../usernameValidator';
  
  @Page({
      templateUrl: 'build/pages/home/home.html',
      directives: [FORM_DIRECTIVES]
  })

• In app/pages/home/home.html:

   <form [ngFormModel]="form">

I got the following error message:

EXCEPTION: TypeError: Cannot read property 'validator' of undefined in [form in HomePage@7:8]

Do I miss anything? Thanks

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