title: How to make multi column List Box in ASP.Net?
body: <p>I want to make multi column list box in asp.net. At beginning it should be an empty. At runtime when user add some thing, it has to <strong>add in list box in client side, not in server side</strong>.  </p>
  
  <p><a href="https://i.stack.imgur.com/JxG2I.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/JxG2I.png" alt="I am exactly creating like this image.It&#39;s an windows application"></a></p>
  
  <p>Now I made this <a href="https://i.stack.imgur.com/u6mFf.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/u6mFf.png" alt="same"></a>. Now I just want to make that filter list box with multi columns.</p>