title: How to add routerlink with string interpolation in angular
body: <p>I need to add</p>
  
  <pre><code>    router= "/update/id" in my code, where "id" has to be rendered dynamically based on values by *ngFor directive. (i.e) {{obj.id}}.So that id gets rendered dynamically
  </code></pre>
  
  <p>How to do this?</p>