File list (Check if you may need any files):
选课系统\addcollege.aspx
........\addcollege.aspx.cs
........\addstudent.aspx
........\addstudent.aspx.cs
........\addteacher.aspx
........\addteacher.aspx.cs
........\adduser.aspx
........\adduser.aspx.cs
........\banner.jpg
........\choosecourse.aspx
........\choosecourse.aspx.cs
........\college.aspx
........\college.aspx.cs
........\course.aspx
........\course.aspx.cs
........\database\Desktop_.ini
........\........\学生选课数据库_Data.MDF
........\........\学生选课数据库_Log.LDF
........\Desktop_.ini
........\Frameset.aspx
........\Frameset.aspx.cs
........\Frameset.html
........\Global.asax
........\leftFrame.html
........\login.aspx
........\login.aspx.cs
........\mainFrame.aspx
........\mainFrame.aspx.cs
........\mainFrame.html
........\major.aspx
........\major.aspx.cs
........\register.aspx
........\register.aspx.cs
........\student.aspx
........\student.aspx.cs
........\teacher.aspx
........\teacher.aspx.cs
........\topFrame.html
........\treeview.aspx
........\treeview.aspx.cs
........\user.aspx
........\user.aspx.cs
........\ValidateCode.aspx
........\ValidateCode.aspx.cs
........\web.config
........\Web.sitemap
........\App_Data
........\database
选课系统