dashboard.component.ts

constructor(
    private route: ActivatedRoute,
    private router: Router,
    private dashboardService: DashboardService
){
    super();
}
    
ngOnInit(){
    let sub = this.route.params.subscribe(params => {
        this.loading = true;
        let id = +params['id'];
        this.getDashboard(id);
    });

    this.addSubscription(sub);
}