c#做的一个xp_2K下的门禁代码，比如是机房管理系统，需要用户以及密码才能登陆进系统的门槛。学习交流！-do a xp_2K under the doors code, for example, is the engine room management system, requiring the user and password to log into the system threshold. Study exchanges!

c#做的一个 2K下的门禁代码,比如是机房管理系统,学习交流！,-C# do a 2K next door code, such as computer room management system management system, study and communication.