dashboard.component-error.ts

import { Component } from '@angular/core';
import { Title } from '@angular/platform-browser';

@Component({
	moduleId: module.id,
    selector: 'my-app',
    templateUrl:'dashboard.component.html'
})

export class AppComponent {

	public constructor(private titleService: Title)
	{}

	ngOnInit()
	{
		this.titleService.setTitle('Dashboard');
	}
	
	user_name: string = "Ysidro",
	user_tipe: string = "Perstamista",

}

dashboard.component-ok.ts

import {Component} from '@angular/core';
import {Title} from '@angular/platform-browser';

@Component({
    moduleId: module.id,
    selector: 'my-app',
    templateUrl: 'dashboard.component.html'
})

export class DashboardComponent {

    user_name: string = 'Ysidro';
    user_tipe: string = 'Perstamista';

    public constructor(private titleService: Title) {
    }

    ngOnInit() {
        this.titleService.setTitle('Dashboard');
    }
}