Hi Thanks for your Help. I have tried creating Category series for each service provider but I need help to define the Value Expression for each Category series . I need where clause in the value expression for each caregory series for examle correspondg to serviceoperator xyz , the value expression for category series corresponding to opeartor xyz should be saying 'plot marketshare for this record from DB if serviceoperator="xyz" ' Please tell me how to define this value expression. Thanks for your help