Crystal Reports

Question

How to Suppress Data...My Report has the Following Data:

Name       CodeNo   Designation  Category  ReaderNo  DateTime

Ravi         123        GET            STAFF         21        11/08/11 12:45           
Ravi         123        GET            STAFF         34        11/08/11 19:45
Vinay        346        APPT         NON STAFF   33        15/08/11 12:45


I want above Data in the Following Format:

Name       CodeNo   Designation  Category  ReaderNo  DateTime

Ravi         123        GET            STAFF         21        11/08/11 12:45           
                                                              34        11/08/11 19:45

Vinay        346        APPT         NON STAFF   33        15/08/11 12:45