title: Add row number column to jquery datatables
body: <p>I want jQuery datatables to automatically create row number column in the first column like datagrid in VB.</p>
  
  <p>It looks like this:</p>
  
  <p><img src="https://i.stack.imgur.com/mmoZP.jpg" alt="enter image description here"></p>
  
  <p>Anyone knows how to do this?</p>