这是C#和vb.net连接各种数据库的连接字符串，可以说是有史以来最全的连接字符串大全！相信人人都需要！

这是我从weka主页上下载的一个c4.5算法的改进算法,里面附有readme文件,只有算法的主体,大约600行代码-weka from the home page to download an algorithm Bank improved algorithm inside with the readme file, only the main algorithm, about 600 lines of code

DataSourceDataView　的例子程序-DataSourceDataView examples of procedures

锁住数据库中的表 把表达式 True=False 放到表的 ValidationRule 属性就能锁上。 HardLockTable?实现了该功能。声明Public MyDB As DatabaseDim Dummy As Integer函数Function HardLockTable -locked in the database table that expression = False True decentralized form ValidationRule attributes can be locked. HardLockTable realization of the function. Public statements MyDB As DatabaseDim Dummy As Integer Function Function HardLockTable

dao例子-Dao example

里面是5个数据库编程的实例，是用vb语言开发的，我都有根据需要修改过。比较实用，对于vb数据库初学者有点帮助-five database programming example is the use of vb language, I have modified as needed. More practical, vb database for a little help beginners

一个使用MFC和SQL的例子(-use an MFC and SQL example (

四六级考试报名系统，asp结合网页在线报名，学生作品不可商用-46 examination system, combining asp website online application, students can not be business works

一个VB的图片查看程序源码-A VB source code of the picture to see the program

用ListView控件建立一个简单的数据录入系统

可把数据库备份成文本文件.txt-database backup can be as a text file. Txt