<< Click to display table of contents >>
Specifies whether results of this row generation rule are required for this table.
property Essential: Boolean;
If this property is True, if this rule produces 0 records when applied, the whole table is deleted from the final report.
The table is always deleted, if a rule produces 0 records and this table consists only of rows belonging to this rule. However, this property is important if the table has rows before and/or after this rule's rows.