title: How to link to controller with parameters by Phoenix framework
body: <p>I have following route in phoenix.</p>
  
  <pre><code>page_path  GET /next/:id   SampleServerWeb.SampleController :next
  </code></pre>
  
  <p>I would like to send parameter id from previous page.
  I have no idea of how to write link helper tag.</p>
  
  <p>I tried following, however it dose not work.</p>
  
  <pre><code>    &lt;%= link "NEXT", to: page_path(@conn, :next, id: 40) %&gt;
  </code></pre>
  
  <p>Please give me an advice.
  Thanks.</p>