先介绍表格EXDBGird，因为继承DBGridEh，原本就是继承DBGrid的，但DBGridEh

功能更强，就沾沾光吧，这部分就不说了，下面介绍的功能或未实现，但先写出来。

DBGridEh是要交费的，-First introduced the form EXDBGird, because inheritance DBGridEh, originally DBGrid succession, but more powerful DBGridEh on沾沾light bar, this part of it is said, the functions described below or to achieve, but to write it down. DBGridEh is to pay, and