文件名称:autoaddfield
介绍说明－－下载内容均来自于网络，请自行研究使用
程序中动态增加数据字段，并判断字段是否存在，存在则不能加-In the process of dynamic increase data fields, and determine whether the column exist, there will not be added
(系统自动生成,下载前可以参看下载内容)
下载文件列表
动态增加字段\Project1.cfg
............\Project1.dof
............\Project1.dpr
............\Project1.exe
............\Project1.res
............\Unit1.dcu
............\Unit1.ddp
............\Unit1.dfm
............\Unit1.pas
............\Unit1.~ddp
............\Unit1.~dfm
............\Unit1.~pas
............\新建 文本文档.txt
动态增加字段
............\Project1.dof
............\Project1.dpr
............\Project1.exe
............\Project1.res
............\Unit1.dcu
............\Unit1.ddp
............\Unit1.dfm
............\Unit1.pas
............\Unit1.~ddp
............\Unit1.~dfm
............\Unit1.~pas
............\新建 文本文档.txt
动态增加字段