File list (Check if you may need any files):
Lab3
....\Lab3.sln
....\StudentManagement
....\.................\bin
....\.................\...\Debug
....\.................\...\.....\caiyao.txt
....\.................\...\.....\Roonment.txt
....\.................\...\.....\student.txt
....\.................\...\.....\StudentManagement.exe
....\.................\...\.....\StudentManagement.pdb
....\.................\...\.....\StudentManagement.vshost.exe
....\.................\obj
....\.................\...\Debug
....\.................\...\.....\StudentManagement.exe
....\.................\...\.....\StudentManagement.pdb
....\.................\...\.....\TempPE
....\.................\...\StudentManagement.csproj.FileList.txt
....\.................\Student.cs
....\.................\StudentManagement.csproj
....\.................\StudentRecord.cs