来自客户端程序的MySQL连接仍然存在

In a college where I'm employed, we are currently testing (dry-run) the new enrollment system I have developed. The application has several modules (accounting, cashiering, course scheduling, admission, advising, grading) installed in different offices. We are using MySQL Server 5.1 and the front end was developed using VB.Net. In a college where I'm employed, we are current