title: Suppress duplicates of a group data which is in another group data in crystal reports
body: <p>Cystal Reports
  scenario: </p>
  
  <pre><code>Group1 Location
  Group2 Names
  </code></pre>
  
  <p>Group2 is below the Group1 in heirarichy.
  I placed Group1 field location in Group2 names. I have seen duplicates of locations.</p>
  
  <p>Sample data:</p>
  
  <pre><code>america  Tom
  america  Jim
  England  Peterson
  England  Anderson
  </code></pre>
  
  <p>I want data as </p>
  
  <pre><code>america  Tom
           Jim
  England  Peterson
           Anderson
  </code></pre>
  
  <p>Please provide solution.
  Thanks in advance.</p>