When you run a report in Crystal Reports, you have a lot of latitude as to what goes in, how it’s formatted and organized, and so on. But one consideration that doesn’t always get mentioned is how to leave data out.
Turns out, it isn’t difficult. In fact, the technique is similar to one we find in several other programs which deal with data and databases.
Among the logical operators available to us is “Is Not Like” (sometimes seen in other programs as “< >” or “Not Equal To”). This is the one that says “DON’T show me…” whatever it is you want to exclude from a given field, like City.
But the next part is also easy–just a little different. If, let’s say, we want Crystal to show all cities in a shipping list other than Albuquerque (watch your spelling on this one! 🙂 ), we put that name between asterisks, like so: *Albuquerque*.
It may seem a little odd at first, to want to exclude information in Crystal Reports, since usually we’re trying six ways from Sunday to figure out how to include information. But don’t forget that panning for gold meant sifting out what you didn’t want, and reducing a sauce involves removing water or other fluid to make it denser and more flavorful.
As a related point, doing Web searches can involve a similar idea. We often use Google to look for things, but the Advanced search capability lets us say, in essence, “Look for this and this but NOT that.” Hardly ever gets used, but it’s always there if we need it. Ditto in Crystal.