Delphi中使用最广泛的数据控件，特点是功能强大，简单，是快速开发DB系统的最好工具，该控件的版本是7.0.133含源码(The most widely used data control in Delphi, characterized by powerful and simple, is the best tool for rapid development of DB systems, the version of the control is 7.0.133, including so