这是基于asp.net+sql2005的作业管理系统，具有作业上传、即时聊天、在线发问、在线答疑、教务通知等功能-This is based on the asp.net+ sql2005 operating management system, with operating upload, instant chat, ask questions online, on-line Q & A, the functions of the Senate notice

书店销售系统 net环境编写 sql2005-Net environment bookshop sales system prepared sql2005