How to add toaster in Angular?

Question

Any idea how to add a toaster notification when an error occurs instead of using alert. Many tutorials out there just make a tutorial when clicking a button but I want some automatization. Below is my code

saveStudentDetails(values) {
  const studentData = {};

  studentData['id'] =  values.id;
  studentData['password'] =  values.password;
  this.crudService.loginstudent(studentData).subscribe(result => {
    this.student = result;
    this.router.navigate(['/address']);
  },
    err => {
      console.log('status code ->' + err.status);
      alert('Please try again');
 });

}

Any idea how can i make an error toaster notification base on this code? Thank you

Answer 1

For display toaster use ngx-toastr library

Steps:

1) npm install ngx-toastr --save

2) Follow other setups from here

Quick Code :

import { ToastrService } from 'ngx-toastr';

constructor(private toastr: ToastrService) {}

saveStudentDetails(values) {
  const studentData = {};

  studentData['id'] =  values.id;
  studentData['password'] =  values.password;
  this.crudService.loginstudent(studentData).subscribe(result => {
    this.student = result;
    this.router.navigate(['/address']);
  },
    err => {
      console.log('status code ->' + err.status);
      this.toastr.error('Hello world!', 'Toastr fun!');
 });