title: How to show dependent select boxes options in angular js
body: <p>I have a form and I want to have two select boxes so that in one of them certain options would show/hide based on the current value of another select box.</p>
  
  <p>e.g </p>
  
  <pre><code>Select box X Options :
  A
  B
  
  Select box Y Options :
  
  1 // shows only when A is selected in Select box X
  2 // A
  3 // A
  4 // shows only when B is selected in Select box X
  5 // B
  6 // B
  </code></pre>
  
  <p>Help please.</p>