title: Replace DataRow value with empty string if duplicate in DataTable
body: <p>Is it possible to replace row value with empty string if duplicate value found?</p>
  
  <p>For example</p>
  
  <pre><code>--------------------
  ProductCode | Color
  --------------------
     00A0B    |  Red
     00A0B    |  Blue
     00A0C    |  Red
     00A0C    |  Black
     00A0C    |  White
  --------------------
  </code></pre>
  
  <p>to</p>
  
  <pre><code>--------------------
  ProductCode | Color
  --------------------
     00A0B    |  Red
              |  Blue
     00A0C    |  Red
              |  Black
              |  White
  --------------------
  </code></pre>