How to give condition in sap crystal report in windows application

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C#

Hello friend

I try to make a report in which i have a several condition .
i am making a receipt of gym.
In this receipt i have a fields 1) Name 2) Monthly Fee 3) Admission Fee 4) late fee 5) Personal training fee 6) looker fee 7) sum of total
so i want that if i fill admission fee then admission fee is show in CR report ,if i fill late fee then admission fee disappear and only late fee show.
similarly in above given filed if i select only two field (Late Fee and looker fee) then only these two fields are will came in CR report.
means in this following requirement : 1) Admission Fee 2) late fee 3) Personal training fee 4) looker fee
which filed i have selected this will appear in CR report.

So plz help me how to apply condition on this.

Thanks
Rohit