c#实现，将dsn转换为ip或是将ip转换为dsn.-Convert dsn to ip or ip to dsn.

2开关控制左右两组流水灯，实现流水花样效果，程序简单明了，含.C,.DSN,.HEX文件-2 switch control about two sets of light water flowing pattern effect, the procedure is simple, containing C,. DSN, HEX file

C#使用ODBC非DSN连接SQL Server数据库，仅供参考，非DSN方式连接SQL Server数据库。-C# using ODBC DSN-less connection to SQL Server database for informational purposes, non-DSN to connect to SQL Server database.