Crystal Reports that contain a cross-tab and a drawing object with the following setting: Repeat on Horizontal Pages, will generate blank pages.
I had a Crystal Report with a cross-tab report and Crystal displayed a blank page in between every virtual page. A line (drawing object) was on the report (for demarcating report data from a report footer).
If you have a Crystal Report that generates mystery blank pages then ask the following questions:
Is this a cross-tab report? And are there any drawing objects like lines on the report?
If so, check each drawing object by right clicking on it and choosing properties and look for a setting called: Repeat on Horizontal Pages. If it’s checked off - the uncheck it and that will probably solve the mystery of your report’s blank pages.
An interesting (interesting? more like frustrating) point is that the blank pages didn’t show up in the Crystal development environment - only when the report was generated as part of my web application.
Crystal is a powerful tool, but poorly documented with some really bizarre behaviors and everyone I know that uses Crystal shares the same frustrations.
I hope my discovery helps someone else out there.