title: How to update parent component from child component in Angular 2
body: <p>I want to update parent component when child component is updated. I was trying to achieve this using event emitter but I am using router outlet to call the child component. I have no idea how to do that.</p>
  
  <p>Can anyone please guide me what should I do to get this?</p>
  
  <p>Thanks</p>