title: cascading dropdown using ajax Php and mysql
body: <p>I am creating something like this and have a problem one of the dropdown. You get better understanding by the video </p>
  
  <p><a href="https://drive.google.com/file/d/0BxawGn4TxUFBeFJXVnljUjFjQTQ/view?usp=sharing" rel="nofollow">Video for the reference</a></p>
  
  <p><a href="https://drive.google.com/file/d/0BxawGn4TxUFBV0RXTlRCTmdObzA/view?usp=sharing" rel="nofollow">here the source code file</a></p>
  
  <p><a href="http://buffernow.com/cascading-dropdown-ajax/?q=nocache&amp;q=nocache" rel="nofollow">here the tutorial link</a></p>