Can You please describe your requirement in detail like what data do you want to show in crystal report and which crystal report tool are you using?
In Crystal Reports tool
File ->New Standard Report
Select ORDBC(RDO) in Standard Report Creation wizard and Click Next.
In Data Source selection Select AR System ORDBC Data Source and Click on Next.
In the Following window enter User name as (User Name)Demo and Password.
I think this will help you,
thank u very much and i appreciated your effort