一个ADO封装类，封装得很好，其中包括CAdoCommand,CAdoConnection, CAdoRecordSet和CAdoParameter三个类，对vc++数据库编程很有用。-ADO package a class, a good package, including CAdoCommand, CAdoConnection, CAdoRecordSet and CAdoParameter three categories, on the vc++ Database Programmin