介绍了使用VC平台及ADO的方法调用数据库的一般方法，同时完成了调用数据库的数据描绘曲线的工作，对那些做在线测量的朋友应该有些启示-VC on the use of the platform and the ADO database called the general approach, Meanwhile completed the transfer of data curves depicting the work of those who do the online measuremen