基于.NET平台用C#完成PDA的仿真。在PDA端完成每天宿舍的查分工作，并把每天的得分用文件流的方式传给电脑，服务器端接收该数据库，并把它插入到自己的数据库中，在每月的第一天将计算好的星级表传给PDA。在PDA可查询每天所有宿舍的分数及每个月的星级；在服务器端有一样的查询功能，并可以查到每个宿舍的成员的具体情况-Based on NET platform using C# to complete the simulation of PDA. Daily dormitory check work completed on the PDA side, and the daily score file stream passed to the computer, the server side to receive the database and insert it into your own database, and will be calculated in the first day of each month good star table passed to the PDA. Can be found in the PDA daily scores of all quarters, and the monthly star　the same query on the server side, and can be found in the specific circumstances of the members of each dormitory