Angular 2: 'ngFormModel' since it isn't a known native property - forms

Question

My error is
EXCEPTION: Error: Uncaught (in promise): Template parse errors:
Can't bind to 'ngFormModel' since it isn't a known native property ("
<h3 class = "head">MY PROFILE</h3>
<form [ERROR ->][ngFormModel]="form" (ngSubmit)="onSubmit(form.value)">
<div class="row">
"): a#3:7
There is no directive with "exportAs" set to "ngForm" ("stname</label>
<input type="text" id="facebook" class="form-control" ngControl="firstname" [ERROR ->]#firstname="ngForm" >
</div>
"): a#9:85
There is no directive with "exportAs" set to "ngForm" ("/label>
<input type="text" id="facebook" class="form-control col-xs-3" ngControl="lastname" [ERROR ->]#lastname="ngForm" >
</div>
My template,
<h3 class="head">MY PROFILE</h3>
<form [ngFormModel]="form" (ngSubmit)="onSubmit(form.value)">
<div class="row">
<div class="form-group">
<label class="formHeading">firstname</label>
<input type="text" id="facebook" class="form-control" ngControl="firstname" #firstname="ngForm">
</div>
<div *ngIf="firstname.touched">
<div *ngIf="!firstname.valid" class="alert alert-danger">
<strong>First name is required</strong>
</div>
</div>
<div class="form-group">
<label class="formHeading">lastname</label>
<input type="text" id="facebook" class="form-control col-xs-3" ngControl="lastname" #lastname="ngForm">
</div>
<div *ngIf="lastname.touched">
<div *ngIf="!lastname.valid" class="alert alert-danger">
<strong>Last name is required</strong>
</div>
</div>
<div class="form-group">
<label class="formHeading">Profilename</label>
<input type="text" id="facebook" class="form-control col-xs-3" ngControl="profilename" #profilename="ngForm">
</div>
<div class="form-group">
<label class="formHeading">Phone</label>
<input type="text" id="facebook" class="form-control col-xs-3" ngControl="phone" #phone="ngForm">
</div>
<div *ngIf="phone.touched">
<div *ngIf="!phone.valid" class="alert alert-danger">
<strong>Phone number is required</strong>
</div>
</div>
<label class="formHeading">Image</label>
<input type="file" name="fileupload" ngControl="phone">
<div class="form-row btn">
<button type="submit" class="btn btn-primary " [disabled]="!form.valid">Save</button>
</div>
</div>
</form>
My Component
import {Component} from '#angular/core';
import { Http, Response, Headers} from '#angular/http';
import {Observable} from 'rxjs/Observable';
import {Subject} from 'rxjs/Subject';
import {contentHeaders} from '../headers/headers';
import {FORM_DIRECTIVES} from '#angular/forms';
import {Router, ROUTER_DIRECTIVES} from '#angular/router';
import {Control, FormBuilder, ControlGroup, Validators} from '#angular/common';
#Component({
templateUrl: './components/profile/profile.html',
directives: [ROUTER_DIRECTIVES, FORM_DIRECTIVES],
})
export class Profile {
http: Http;
form: ControlGroup;
constructor(fbld: FormBuilder, http: Http, public router: Router) {
this.http = http;
this.form = fbld.group({
firstname: ['', Validators.required],
lastname: ['', Validators.required],
profilename: ['', Validators.required],
image: [''],
phone: [''],
});
}
onSubmit(form: any) {
console.log(form);
let body = JSON.stringify(form);
var headers = new Headers();
this.http.post('http://localhost/angular/index.php/profile/addprofile', body, {
headers: headers
})
.subscribe(
response => {
if (response.json().error_code == 0) {
alert('added successfully');
this.router.navigate(['/demo/professional']);
} else {
alert('fail');
}
});
}
}

Answer 1

The problem is that you're still importing from common and especially using the instructions of the old forms.
Import correctly the components for new forms:
import {FORM_DIRECTIVES, REACTIVE_FORM_DIRECTIVES} from '#angular/forms';
import {FormBuilder, FormGroup, Validators} from '#angular/forms';
And correct the component:
#Component({
...
directives: [FORM_DIRECTIVES, REACTIVE_FORM_DIRECTIVES]
})
export class AppComponent {
form: FormGroup;
constructor(fbld: FormBuilder) {
this.form = fbld.group({
...
});
}
...
}
Then correct the view: ngFormModel has been replaced by formGroup, and use formControl for your fields:
<form [formGroup]="form" (ngSubmit)="onSubmit(form.value)">
<div class="row">
<div class="form-group">
<label class="formHeading">firstname</label>
<input type="text" id="facebook" class="form-control" [formControl]="form.controls['firstname']" >
</div>
<div *ngIf ="form.controls['firstname'].touched">
<div *ngIf ="!form.controls['firstname'].valid" class = "alert alert-danger">
<strong>First name is required</strong>
</div>
</div>
...
<div class="form-row btn">
<button type="submit" class="btn btn-primary" [disabled]="!form.valid">Save</button>
</div>
</div>
</form>
Edit. From Angular 2.0.0-rc.5, is necessary to remove the directives from the component and import the form modules in AppModule:
import { FormsModule, ReactiveFormsModule } from '#angular/forms';
#NgModule({
imports: [
...
FormsModule,
ReactiveFormsModule
],
...
bootstrap: [AppComponent]
})
export class AppModule { }
If you use a shared module, do not forget to export them:
#NgModule({
imports: [
...
FormsModule,
ReactiveFormsModule
],
exports: [
...
FormsModule,
ReactiveFormsModule
]
})
export class SharedModule { }

Answer 2

I had the same issue. What I did to solve it:
remove the tag, and add (click)-function to the button
checked my backend: there was an error in some special event... fixed it
Now it doesn't fire twice anymore.
So double check this! You never know...

Answer 3

Just import the following statement in ts,
import {FORM_DIRECTIVES, FormBuilder, Validators, REACTIVE_FORM_DIRECTIVES} from '#angular/forms';
directives: [CORE_DIRECTIVES, ROUTER_DIRECTIVES, FORM_DIRECTIVES, REACTIVE_FORM_DIRECTIVES],
Make the following changes in templates,
<h3 class = "head">MY PROFILE</h3>
<form [ngFormModel]="form" (ngSubmit)="onSubmit(form.value)">
<div class="row">
<div class="form-group">
<label class="formHeading">firstname</label>
<input type="text" id="facebook" class="form-control" [formControl]="form.controls['firstname']">
</div>
<div *ngIf ="firstname.touched">
<div *ngIf ="!firstname.valid" class = "alert alert-danger">
<strong>First name is required</strong>
</div>
</div>
<div class="form-group">
<label class="formHeading">lastname</label>
<input type="text" id="facebook" class="form-control col-xs-3" [formControl]="form.controls['lastname']">
</div>
<div *ngIf ="lastname.touched" >
<div *ngIf = "!lastname.valid" class = "alert alert-danger">
<strong>Last name is required</strong>
</div>
</div>
<div class="form-group">
<label class="formHeading">Profilename</label>
<input type="text" id="facebook" class="form-control col-xs-3" [formControl]="form.controls['profilename']" >
</div>
<div class="form-group">
<label class="formHeading">Phone</label>
<input type="text" id="facebook" class="form-control col-xs-3" [formControl]="form.controls['phone']">
</div>
<div *ngIf ="phone.touched" >
<div *ngIf = "!phone.valid" class = "alert alert-danger">
<strong>Phone number is required</strong>
</div>
</div>
<div class="form-row btn">
<button type="submit" class="btn btn-primary " [disabled]="!form.valid">Save</button>
</div>
Finally do this in your bootstrapping,
import {provideForms, disableDeprecatedForms} from '#angular/forms';
bootstrap(MyDemoApp, [
provideForms(),
disableDeprecatedForms()]);