title: Merging column name of Datatable
body: <p>I am adding data to a datatable. Data is added according to column header. Once the data is added, I want to merge the only the column header. Is it possible? Below is the example.</p>
  
  <p><strong>Input</strong></p>
  
  <p><a href="https://i.stack.imgur.com/0VxwD.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/0VxwD.png" alt="enter image description here"></a></p>
  
  <p><strong>Expected output:</strong></p>
  
  <p><a href="https://i.stack.imgur.com/VLFSp.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/VLFSp.png" alt="enter image description here"></a></p>