Sidebar and navbar are not rendering if the page is not refreshed angular2

[chandra329706]

In the below code, sidebar and navbar are not being rendered if the page is not refreshed.

Component:

import { Component, OnInit } from '@angular/core'; import {Router} from "@angular/router";

@Component({ selector: 'app-layout', templateUrl: './layout.component.html', styleUrls: ['./layout.component.css'] }) export class LayoutComponent implements OnInit { constructor(private _router : Router) { } IsLoggedIn : boolean = false; ngOnInit() { if(localStorage.getItem('currentUserId')) this.IsLoggedIn = true; } }

HTML