能记录历史信息的菜单C#源码，感兴趣的朋速度来看看！-To record historical information menu C# source code, and interested friends to see the speed!

这里编写的菜单带有历史功能，每次进入新的文件之后，会将你操作的历史记录下来-The menu here, with a history of writing functions into a new file each time after the operation history will record your

一个成绩记录簿，每个学生信息包括：学号、姓名、成绩-Preparation of a performance log book, each student information include: Student ID, name, performance