title: Find row in datatable with specific id
body: <p>I have two columns in a datatable:</p>
  
  <pre><code>ID, Calls. 
  </code></pre>
  
  <p>How do I find what the value of Calls is <code>where ID = 5</code>?</p>
  
  <p>5 could be anynumber, its just for example. Each row has a unique ID. </p>