File list (Check if you may need any files):
ExamSolution\ExamSolution.sln
............\....Model\Course.cs
............\.........\ExamModel.csproj
............\.........\FillBlankProblem.cs
............\.........\JudgeProblem.cs
............\.........\MultiProblem.cs
............\.........\Paper.cs
............\.........\QuestionProblem.cs
............\.........\Role.cs
............\.........\SingleProblem.cs
............\.........\Users.cs
............\.........\Properties\AssemblyInfo.cs
............\.........\obj\Debug\ExamModel.csproj.FileListAbsolute.txt
............\.........\...\.....\ExamModel.dll
............\.........\...\.....\ExamModel.pdb
............\.........\bin\Debug\ExamModel.dll
............\.........\...\.....\ExamModel.pdb
............\....DAL\CourseService.cs
............\.......\DBHelp.cs
............\.......\ExamDAL.csproj
............\.......\FillBlankProblemService.cs
............\.......\JudgeProblemService.cs
............\.......\MultiProblemService.cs
............\.......\PaperService.cs
............\.......\QuestionProblemService.cs
............\.......\RoleService.cs
............\.......\SingleSelectedService.cs
............\.......\UserService.cs
............\.......\Properties\AssemblyInfo.cs
............\.......\obj\Debug\ExamDAL.csproj.FileListAbsolute.txt
............\.......\...\.....\ExamDAL.dll
............\.......\...\.....\ExamDAL.pdb
............\.......\...\.....\ResolveAssemblyReference.cache
............\.......\bin\Debug\ExamDAL.dll
............\.......\...\.....\ExamDAL.pdb
............\.......\...\.....\ExamModel.dll
............\.......\...\.....\ExamModel.pdb
............\....BLL\CourseManager.cs
............\.......\ExamBLL.csproj
............\.......\FillBlankProblemManager.cs
............\.......\JudgeProblemManager.cs
............\.......\MultiProblemManager.cs
............\.......\PaperManager.cs
............\.......\QuestionProblemManager.cs
............\.......\RoleManager.cs
............\.......\SingleSelectedManager.cs
............\.......\UserManager.cs
............\.......\Properties\AssemblyInfo.cs
............\.......\obj\Debug\ExamBLL.csproj.FileListAbsolute.txt
............\.......\...\.....\ExamBLL.dll
............\.......\...\.....\ExamBLL.pdb
............\.......\...\.....\ResolveAssemblyReference.cache
............\.......\bin\Debug\ExamBLL.dll
............\.......\...\.....\ExamBLL.pdb
............\.......\...\.....\ExamDAL.dll
............\.......\...\.....\ExamDAL.pdb
............\.......\...\.....\ExamModel.dll
............\.......\...\.....\ExamModel.pdb
............\....\MasterPage.master
............\....\MasterPage.master.cs
............\....\Web.Config
............\....\...\CourseAdd.aspx
............\....\...\CourseAdd.aspx.cs
............\....\...\CourseManage.aspx
............\....\...\CourseManage.aspx.cs
............\....\...\Default.aspx
............\....\...\Default.aspx.cs
............\....\...\FillBlankAdd.aspx
............\....\...\FillBlankAdd.aspx.cs
............\....\...\FillBlankManage.aspx
............\....\...\FillBlankManage.aspx.cs
............\....\...\JudgeAdd.aspx
............\....\...\JudgeAdd.aspx.cs
............\....\...\JudgeManage.aspx
............\....\...\JudgeManage.aspx.cs
............\....\...\Login.aspx
............\....\...\Login.aspx.cs
............\....\...\MultiSelectAdd.aspx
............\....\...\MultiSelectAdd.aspx.cs
............\....\...\MultiSelectManage.aspx
............\....\...\MultiSelectManage.aspx.cs
............\....\...\PaperSetup.aspx
............\....\...\PaperSetup.aspx.cs
............\....\...\PwdModify.aspx
............\....\...\PwdModify.aspx.cs
............\....\...\QuestionAdd.aspx
............\....\...\QuestionAdd.aspx.cs
............\....\...\QuestionManage.aspx
............\....\...\QuestionManage.aspx.cs
............\....\...\SingleSelectAdd.aspx
............\....\...\SingleSelectAdd.aspx.cs
............\....\...\SingleSelectManage.aspx
............\....\...\SingleSelectManage.aspx.cs
............\....\...\StudentIndex.aspx
............\....\...\StudentIndex.aspx.cs
............\....\...\UserTest.aspx
............\....\...\User