CrystalReports supress if field is empty

In order to supress (for instance a section) when a field is empty, mark the section as suppress, open the “Section expert” and click the pen next to “Supress” and then enter when to supress like:

{MyTable.MyField} = '' OR IsNull({MyTable.MyField})

This example will supress the field wither if it is an empty string or DBNull