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Angular 6 Form Validation Example Tutorial

Today, We want to share with you Angular 6 Form Validation Example Tutorial.In this post we will show you Angular 6 – Reactive Forms Validation Example, hear for Angular 6 – Template-Driven Forms Validation Example we will give you demo and example for implement.In this post, we will learn about Angular 6 Validation Tutorial Example From Scratch with an example.

Angular 6 Form Validation Example Tutorial

There are the Following The simple About Angular 6 Form Validation Example Tutorial Full Information With Example and source code.

As I will cover this Post with live Working example to develop Angularjs 6 Form Validation Example Tutorial, so the some major files and Directory structures for this example is following below.

Angular Form Validation Tutorial

app
--app.component.html
--app.component.ts
--app.module.ts
-index.html
-main.ts
-polyfills.ts
Angular 6 Reactive Form Validation
Angular 6 Reactive Form Validation

Angular 6 Example

Angular Latest My Previous Post With Source code Read more…..

  1. Angular 6 Folder Project Structure
  2. Angular 6 CLI Installation
  3. Angular 6 Module File
  4. Angular 6 Components
  5. Angular 6 Services
  6. Angular 6 Routing
  7. Angular 6 CSS
  8. Angular 6 Class Binding
  9. Angular 6 Animation
  10. Angular 6 Templating
  11. Angular 6 HTTP Client

Step 1 : Angular 6 Reactive forms

index.html




    
    Angular 6 Form Validation Example Tutorial
    

    
    


    Loading...



Step 2 : Template-driven Angular 6 forms

main.ts

import './polyfills';

import { platformBrowserDynamic } from '@angular/platform-browser-dynamic';
import { AppModule } from './app/app.module';
platformBrowserDynamic().bootstrapModule(AppModule);

Step 3 : polyfills in Angular 6

/polyfills.ts

import 'core-js/es6/reflect';
import 'core-js/es7/reflect';
import 'zone.js/dist/zone';

Step 4 : Angular 6 Create a form with Validation

/app/app.component.html


Angular 6 Reactive Form Validation

Member Name is required
Member Sir Name is required
member Email is required
member Email must be a valid email address
Password is required
Password must be at least 6 characters

Angular 6 simple Form Validation Demo

Step 5 : Import FormGroup and FormControl in Angular 6

/app/app.component.ts

import { Component, OnInit } from '@angular/core';
import { FormBuilder, FormGroup, Validators } from '@angular/forms';

@Component({
    selector: 'app',
    templateUrl: 'app.component.html'
})

export class AppComponent implements OnInit {
    membersForm: FormGroup;
    submitted = false;

    constructor(private formBuilder: FormBuilder) { }

    ngOnInit() {
        this.membersForm = this.formBuilder.group({
            memberfName: ['', Validators.required],
            memberlName: ['', Validators.required],
            email: ['', [Validators.required, Validators.email]],
            password: ['', [Validators.required, Validators.minLength(6)]]
        });
    }

    // convenience getter for easy access to form fields
    get validfrm() { return this.membersForm.controls; }

    onSubmit() {
        this.submitted = true;

        // stop here if form is invalid
        if (this.membersForm.invalid) {
            return;
        }

        alert('SUCCESS!! :-)\n\n' + JSON.stringify(this.membersForm.value))
    }
}

Step 6 : Import ReactiveFormsModule in Angular 6

/app/app.module.ts

import { NgModule } from '@angular/core';
import { BrowserModule } from '@angular/platform-browser';
import { ReactiveFormsModule } from '@angular/forms';

import { AppComponent } from './app.component';

@NgModule({
  imports: [
    BrowserModule,
    ReactiveFormsModule
  ],
  declarations: [
    AppComponent
  ],
  bootstrap: [AppComponent]
})

export class AppModule { }

Angular 6 simple Form Validation Demo

Read :

Angular 6 CRUD Operations Application Tutorials

Summary

You can also read about AngularJS, ASP.NET, VueJs, PHP.

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I am Jaydeep Gondaliya , a software engineer, the founder and the person running Pakainfo. I'm a full-stack developer, entrepreneur and owner of Pakainfo.com. I live in India and I love to write tutorials and tips that can help to other artisan, a Passionate Blogger, who love to share the informative content on PHP, JavaScript, jQuery, Laravel, CodeIgniter, VueJS, AngularJS and Bootstrap from the early stage.

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