此为刷卡器充值上位机软件，包括COM口检测各种无效卡显示，及其VB界面的各种设置。及其数据库的设置。麻雀虽小五脏俱全，对于学习VB的新手来说会很有帮助,This is the credit card recharge PC browser software, including COM port detected a variety of invalid card show, and the VB interface, various settings. And database setting

常用JDBC连接数据库方法总结如下： 一、DB2 Class.forName("Com.ibm.db2.jdbc.net.DB2Driver") String url="jdbc:db2://dburl:port/DBname" cn = DriverM-Commonly used methods of JDBC database connections are summarized as follows: First, DB2 Class.for

oracle form6i 透過windows MSCOMM32.OCX物件抓取com埠傳輸資料。-oracle form6i crawl through the windows MSCOMM32.OCX object com port to transfer data.

I used to work with scales and mscomm. To aid us we had written a Scale Emulator in VFP. To use it you need a COM cable and 2 ports. The Scale Emu sits on one port and sends its output and the MSComm sits on the other port and accepts input.

Communication of Biometric devices through com port and put the data into sql server