File list (Check if you may need any files):
学生成绩管理系统\ch02.pdf
................\StuGradeSys\StuGradeSys\bin\Debug\StuGradeSys.exe
................\...........\...........\...\.....\StuGradeSys.pdb
................\...........\...........\...\.....\StuGradeSys.vshost.exe
................\...........\...........\Class\ClassInfo.cs
................\...........\...........\.....\ClassInfoOperation.cs
................\...........\...........\.....\Constants.cs
................\...........\...........\.....\CourseInfo.cs
................\...........\...........\.....\CourseInfoOperation.cs
................\...........\...........\.....\CSInfo.cs
................\...........\...........\.....\CSInfoOperation.cs
................\...........\...........\.....\DataAccess.cs
................\...........\...........\.....\getUserInfoAll.cs
................\...........\...........\.....\SpecialtyInfo.cs
................\...........\...........\.....\SpecialtyInfoOperation.cs
................\...........\...........\.....\StuGradeData.cs
................\...........\...........\.....\StuGradeOperation.cs
................\...........\...........\.....\StuInfo.cs
................\...........\...........\.....\StuInfoOperation.cs
................\...........\...........\.....\TeacherInfo.cs
................\...........\...........\.....\TeaInfoOperation.cs
................\...........\...........\.....\UserInfoData.cs
................\...........\...........\.....\UserInfoOperation.cs
................\...........\...........\obj\Debug\StuGradeSys.csproj.GenerateResource.Cache
................\...........\...........\...\.....\StuGradeSys.exe
................\...........\...........\...\.....\StuGradeSys.Frmcjg1.resources
................\...........\...........\...\.....\StuGradeSys.Login.resources
................\...........\...........\...\.....\StuGradeSys.pdb
................\...........\...........\...\.....\StuGradeSys.Properties.Resources.resources
................\...........\...........\...\.....\StuGradeSys.Surface.frmAddUser.resources
................\...........\...........\...\.....\StuGradeSys.Surface.frmClassInfo.resources
................\...........\...........\...\.....\StuGradeSys.Surface.frmClassInfoQuery.resources
................\...........\...........\...\.....\StuGradeSys.Surface.frmCourseData.resources
................\...........\...........\...\.....\StuGradeSys.Surface.frmCourseInfoQuery.resources
................\...........\...........\...\.....\StuGradeSys.Surface.frmCSInfo.resources
................\...........\...........\...\.....\StuGradeSys.Surface.frmGADDMod.resources
................\...........\...........\...\.....\StuGradeSys.Surface.frmPWDModify.resources
................\...........\...........\...\.....\StuGradeSys.Surface.frmSCinfoQuery.resources
................\...........\...........\...\.....\StuGradeSys.Surface.frmSpecialtyInfo.resources
................\...........\...........\...\.....\StuGradeSys.Surface.frmSpecialtyQurey.resources
................\...........\...........\...\.....\StuGradeSys.Surface.frmStuGradeQuery.resources
................\...........\...........\...\.....\StuGradeSys.Surface.frmStuInfo.resources
................\...........\...........\...\.....\StuGradeSys.Surface.frmStuInfoQuery.resources
................\...........\...........\...\.....\StuGradeSys.Surface.frmTeaInfo.resources
................\...........\...........\...\.....\StuGradeSys.Surface.frmTeaInfoQuery.resources
................\...........\...........\...\.....\StuGradeSys.Surface.frmUserDeleted.resources
................\...........\...........\...\.....\StuGradeSys.Surface.FrmUserQuery.resources
................\...........\...........\...\.....\TempPE\Properties.Resources.Designer.cs.dll
................\...........\...........\...\StuGradeSys.csproj.FileList.txt
................\...........\...........\...\StuGradeSys.csproj.FileListAbsolute.txt
................\...........\...........\Program.cs
................\...........\...........\...perties\AssemblyInfo.cs
................\...........\...........\..........\Resources.Desi