Getting this error - Unable to get property 'mData' of undefined or null reference
Your html structure is not proper, you need to have a thead element where the header is specified and the content should be in tbody.
$(document).ready(function() {
$('#empTable').DataTable();
});<script type="text/javascript" src="//code.jquery.com/jquery-2.1.3.js"></script>
<link rel="stylesheet" type="text/css" href="https://cdnjs.cloudflare.com/ajax/libs/datatables/1.10.7/css/jquery.dataTables.css" />
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/datatables/1.10.7/js/jquery.dataTables.js"></script>
<table id="empTable" class="display" width="100%">
<thead>
<tr>
<th>Name</th>
<th>Age</th>
<th>Address</th>
</tr>
</thead>
<tbody>
<tr>
<td>K.Senthuran</td>
<td>32</td>
<td>42nd Lane</td>
</tr>
<tr>
<td>S.Senthuran</td>
<td>29</td>
<td>Hampden Lane</td>
</tr>
</tbody>
</table>