This simple technique can save hours of
development time as the other option is to create two reports and merge them
There are just two basic things to
1. Crystal Reports formulas will not read
the remainder of a control structure once a condition returns 'true'.
IsNull can be used to test links to child
tables as well as the contents of fields.
About the Author
Jason Dove is the author of 'Crystal
Reports Formulas Explained' a step by step guide to creating and using
formulas, currently available with a free 70 page Crystal Reports XI tutorial:
He has provided BI consultancy for some of
the largest companies in the UK, and is now working with Scry Business
Intelligence. Subscribe to his FREE Career newsletter here: