Angular 16 Bootstrap 5 Modal Popup Reactive Forms with Validation Working Example

Hello friends, welcome back to my blog. Today this blog post will tell you, Angular 16 Bootstrap 5 Modal Popup Reactive Forms with Validation Working Example.

Angular16 came and Bootstrap 5 also. If you are new then you must check below two links:

1. Angular16 Basic Tutorials
2. Bootstrap 5

Friends now I proceed onwards and here is the working code snippet and please use carefully this to avoid the mistakes:

1. Firstly friends we need fresh angular 16 setup and for this we need to run below commands but if you already have angular 16 setup then you can avoid below commands. Secondly we should also have latest node version installed on our system:

npm install -g @angular/cli 

ng new angularboot5 //Create new Angular Project

cd angularboot5 // Go inside the Angular Project Folder

2. Now friends we need to run below commands into our project terminal to install bootstrap 5 modules into our angular application:

npm install bootstrap

npm i @popperjs/core

3. Now friends we just need to add below code into angularboot5/src/app/app.component.html file to get final out on the web browser:

<div class="container p-5">

  <button type="button" class="btn btn-primary" data-bs-toggle="modal" data-bs-target="#exampleModal2">
      Login Form
  </button>
  
  </div>


<!-- Modal -->
<div class="modal fade" id="exampleModal2" tabindex="-1" aria-labelledby="exampleModal2Label" aria-hidden="true">
  <div class="modal-dialog">
    <div class="modal-content">
      <div class="modal-header">
        <h5 class="modal-title text-danger" id="exampleModal2Label">Login Form</h5>
        <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
      </div>
      <div class="modal-body">
        <form [formGroup]="registerForm" (ngSubmit)="onSubmit()">
          <div class="mb-3">
            <label for="exampleInputEmail1" class="form-label">Email address</label>
            <input type="email" formControlName="email" class="form-control" [ngClass]="{ 'is-invalid': submitted && f.email.errors }"  id="inputEmail4">
            <div *ngIf="submitted && f.email.errors" class="invalid-feedback">
              <div *ngIf="f.email.errors.required">Email is required</div>
              <div *ngIf="f.email.errors.email">Email must be a valid email address</div>
           </div>
          </div>
          <div class="mb-3">
            <label for="exampleInputPassword1" class="form-label">Password</label>
            <input type="password" formControlName="password" class="form-control" [ngClass]="{ 'is-invalid': submitted && f.password.errors }" id="inputPassword4">
            <div *ngIf="submitted && f.password.errors" class="invalid-feedback">
              <div *ngIf="f.password.errors.required">Password is required</div>
           </div>
          </div>
          <button type="submit" class="btn btn-primary">Login</button>
        </form>
      </div>
      <div class="modal-footer">
        <button type="button" class="btn btn-warning" data-bs-dismiss="modal">Close</button>
      </div>
    </div>
  </div>
</div>

4. Now friends we just need to add below code into angularboot5/angular.json file:

"styles": [
              ...
              "node_modules/bootstrap/dist/css/bootstrap.min.css"
          ],
"scripts": [
              ...
               "node_modules/bootstrap/dist/js/bootstrap.bundle.min.js"
           ]

5. Now friends we just need to add below code into angularboot5/src/app/app.module.ts file for reactive forms:

...
import { ReactiveFormsModule } from '@angular/forms';
@NgModule({
 ...
  imports: [
  ...
    ReactiveFormsModule,
  
  ],

6. Now friends we just need to add below code into angularboot5/src/app/app.component.ts file to validation and other reactive form functions:

...
import { FormBuilder, FormGroup, Validators } from '@angular/forms';

export class AppComponent {
//Form Validables 
registerForm:any= FormGroup;
submitted = false;
constructor( private formBuilder: FormBuilder){}
//Add user form actions
get f() { return this.registerForm.controls; }
onSubmit() {
  
  this.submitted = true;
  // stop here if form is invalid
  if (this.registerForm.invalid) {
      return;
  }
  //True if all the fields are filled
  if(this.submitted)
  {
    alert("Great!!");
  }
 
}
  ngOnInit() {
    //Add User form validations
    this.registerForm = this.formBuilder.group({
    email: ['', [Validators.required, Validators.email]],
    password: ['', [Validators.required]],
    });
  }
}

Friends in the end must run ng serve command into your terminal to run the angular 16 project(localhost:4200).

Now we are done friends. If you have any kind of query, suggestion and new requirement then feel free to comment below.

Note: Friends, In this post, I just tell the basic setup and things, you can change the code according to your requirements.

I will appreciate that if you will tell your views for this post. Nothing matters if your views will be good or bad because with your views, I will make my next posts more good and helpful.

Jassa

Thanks