title: How to remove Column in crystal report if Column value have NULL
body: <p>I am dynamically adding columns to a crystal reports data source as explained here <a href="http://csharp.net-informations.com/crystal-reports/csharp-dynamic-crystal-reports.htm" rel="nofollow">Dynamic_Reports</a>.</p>
  
  <p>Here i need remove columns whenever i am not filling values to depends upon columns. These columns are i need to remove from a crystal reports at run time.
  Why i need like this means,I have 20 columns and going fill 1st ,2nd ,19th and 20th columns Only.Rest of them having blank space.blank space[columns] are need to remove.  </p>