title: Details section is not showing in crystal reports
body: <p>I have inserted existing sub report in details section. But when I ran the report, in preview section details are missing.
  please find below screen shots:
  Design Section:
  <img src="https://i.stack.imgur.com/2QnFI.png" alt="enter image description here">
  Preview Section:
  <img src="https://i.stack.imgur.com/Gobbh.png" alt="enter image description here"></p>
  
  <p>Please help.</p>