title: Find the next key id in object
body: <p>I stored an object in one variable (Consider as datatable).</p>
  
  <pre><code>var data=[{"controlID":"A","currentValue":"10","onChange":"","onClick":""},
          {"controlID":"B","currentValue":"5","onChange":"Testing(A,B)","onClick":""},
          {"controlID":"C","currentValue":"-5","onChange":"Testing1(A,B)","onClick":""},
          {"controlID":"D","currentValue":"","onChange":"Testing2(B,C)","onClick":""},{"controlID":"E","currentValue":"","onChange":"Testing3(C,D)","onClick":""},{"controlID":"F","currentValue":"","onChange":"","onClick":""}];
  </code></pre>
  
  <p>Now I know the second row key value as B. How to I Get the Third row (i.e., "C" row values)</p>
  
  <p>Am new of this field. Please help us to helpful.</p>