GenRepoX does that, for free. I have never tried it.

>Hello,
>
>Sorry for bad wording, I mean: the way to have a report with variable number of
>columns. e.g, user selects the fields that he want and the report shows only
>selected fields... I know that it possible by manual coding, but it not so good
>idea. May be there are other possible solutions like Crystal Report etc?
>>What do you mean?
>>>Is there a way to have infinitive detail band?