Conditional formatting allows you to make text appearance dependent on expression value. In a listing, the appearance of all items which meet the condition will be changed. Specific conditional formatting applied to certain report fragment is called Selection. One fragment can belong to several selections; final effect depends on the order of applying conditional formatting.
select a report fragment where you want add a selection
choose from
tab toolbar
You will see window
give the selection name by filing field
give condition by filing field
select bar
set formatting
add a selection
in window Conditional Formatting select in space Effects option Hide
Hidden text is grayed in editor window. On print preview and printout it will be invisible.