使用vb+sql制作的超市前台pos机及后台pos机管理系统，源码分两个文件夹存放了。数据库文件打包放里面了，比较实用，完全适合二次开发。...

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！-This is the C# and vb.net connections to the database linking strings can be said to be the most comprehensive history of the connection string Series! I believe everyone needs!

该代码用于防水墙系统中的数据库后台管理系统，采用的是ADO方式。-code for the waterproof wall system of background database management system, is used by ADO way.

Ehlib.v4.2.16 delphi&BCB dbgrid控件-Ehlib.v4.2.16delphi

（转载）This application allows you to open Access databases, view their tables and fields and run queries in its own SQL window. It is a good demonstration of ADO and ADOX for beginners. The application works with both Access 97 and Access 2000 databases. 这个应用程序允许你打开Access数据库，预览它们的表和字段，并在它自己的SQL窗口中执行查询。对于初学者来说它是一个非常好的ADO和ADOX演示程序。这个应用程序能和Access 97以及Access 2000数据库一块运行。 来源: http://www.freevbcode.com/ShowCode.Asp?ID=2163- (Reprint) This application allows you to open Access databases, view their tables and fields and run queries in its own SQL window. It is a good demonstration of ADO and ADOX for beginners. The application works with both Access 97 and Access 2,000 databases. this application procedure allows you to open the Access database, looks at their table and the field in advance, and carries out the inquiry in it SQL window. As for the beginner it is extremely good ADO and the ADOX demonstration program. This application procedure can 97 as well as the Access 2,000 databases

用VB写的库存查询系统，是一个完整的系统。 供初学者使用。-VB inventory write the query system is a complete system. For beginners.

该构件能读取txt文本文件到数据集对象TDataSet中，方便数据处理。适合导入出数据包操作.-component of the text can be read txt file to the target TDataSet data sets, facilitate data processing. Suited up into data packets operation.

修改数据库表格定义的类-The class for modifying the definition of database

数据库访问，集成了qt数据库接口，用户可以调用接口完成基本的数据库访问，并提供了相应的扩展功能-DATABASE accessing

动态查询组件 可以自定义查询内容和字段 字段可以直接从GRID中获取-Dynamic query component can customize the query fields and fields can be obtained directly from the GRID

一个VC编写的酒店管理系统，是不错的软件，界面很漂亮-VC prepared by a hotel management system, is a good software, very beautiful interface