title: How to load child route by default in angular 2
body: <p>At the start of application i want to load child route. </p>
  
  <p>Right now URLcome but respective component not load on that section but when again hit the actual URL it comes.</p>
  
  <p>like route configure is</p>
  
  <pre><code>  const appRoutes: Routes = [
          { path: 'a', component: AComponent,
           children:[
                     { path:'x',component:AXcomponent }
                     ]
          },
          { path: 'b', component: bComponent, }
  ]
  </code></pre>
  
  <p>Now i want to load path <code>a/x</code> how i will load at the start of page ?</p>