Formula for Suppressing Field if duplicate in Crystal Reports

Question

I have a view which shows data on crystal reports where I have fields like tariff,rental,shares,gross and net.My problem is if someone changes the tariff in database it woul

Answer 1

I had to make a slight change to the formula in the solution by Janarthanan by adding parenthesis to make it work with Crystal XI.

I used:

{ID}=previous({ID}) and {rental}=previous({rental})

this formatting variation, which is presented in the edited question, helped me to solve a similar problem.