title: remove extra lines in crystal report in detail section
body: <p>i have windows application in which i am using crystal report.
  i use to have two sub-report in one crystal report.In my report,i am loading two sub reports
  In <code>Report-Header</code> section i am loading first sub-report and second in <code>Report-Footer</code> section.In my Detail section i am loading actual data.When number of records in detail section are more my <code>Report-Footer</code> goes to next page but problem is that my data in details section shows extra lines and spaces which i have used for formatting.i want to limit lines when records end on details section.<br/>
  <strong>i am uploading img of report for reference purpose. i have marked extra space with red box.</strong>.!
  <img src="https://i.stack.imgur.com/hZktq.png" alt="enter image description here"></p>