>I am just started to use Crystal Reports so I am a begginer. My question is:
>I need to create a field that counts the people (not the records) in my report. The problem is that some persons may be presents more than once.
>
>ID Name
>32 George
>32 George
>35 John...
>In the report I group records by Id, in detail band I must have fields that count person
>
>1 32 Geogre ...
> 32 George ...
>2 35 John etc.
>
>How can I do that?

Use the Distinct Count function.

Luis