BOFocus – Crystal Reports Tips – Tricks – Tutorials

Crystal Reports - Design

Wildcard parameters

Greatly increase the flexibility and effciency of your reports by using a wildcard parameter. This nifty trick  can be quite useful when you’re searching through textual fields for a  specific text pattern.

1. Create a new String parameter and set your default value ‘ALL’ for parameter.

2. Add the following  statement to Select Expert:

If {?WildCard} = “ALL” then {your_database_field} like {?Wildcard} & “*”

Special thanks to Sulmar assistance on this tip.

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The Left Outer Join includes all records in the primary table that have an exact match in the secondary table but also all records that don’t have a match in the secondary table. The Left Outer and Right Outer joins are useful when creating reports to find participants without information in their record.