File list (Check if you may need any files):
studentSys\studentSys.sln
..........\studentSys.suo
..........\..........\app.config
..........\..........\ClsClassInfo.cs
..........\..........\ClsCoursInfo.cs
..........\..........\ClsInfo.cs
..........\..........\ClsScoreInfo.cs
..........\..........\ClsStudentInfo.cs
..........\..........\ClsUserInfo.cs
..........\..........\DataSet1.Designer.cs
..........\..........\DataSet1.xsc
..........\..........\DataSet1.xsd
..........\..........\DataSet1.xss
..........\..........\DB.cs
..........\..........\frmClassInfo.cs
..........\..........\frmClassInfo.Designer.cs
..........\..........\frmClassInfo.resx
..........\..........\frmCoursInfo.cs
..........\..........\frmCoursInfo.Designer.cs
..........\..........\frmCoursInfo.resx
..........\..........\frmQcourse.cs
..........\..........\frmQclass.Designer.cs
..........\..........\frmQclass.resx
..........\..........\frmQcourse.Designer.cs
..........\..........\frmQcourse.resx
..........\..........\frmQstudent.cs
..........\..........\frmQstudent.Designer.cs
..........\..........\frmQstudent.resx
..........\..........\frmScoreInfo.cs
..........\..........\frmScoreInfo.Designer.cs
..........\..........\frmScoreInfo.resx
..........\..........\frmStudentInfo.cs
..........\..........\frmStudentInfo.Designer.cs
..........\..........\frmStudentInfo.resx
..........\..........\frmUserInfo.cs
..........\..........\frmUserInfo.Designer.cs
..........\..........\frmUserInfo.resx
..........\..........\Program.cs
..........\..........\studentSys.csproj
..........\..........\DataSet1.xsx
..........\..........\Properties\AssemblyInfo.cs
..........\..........\..........\Resources.Designer.cs
..........\..........\..........\Resources.resx
..........\..........\..........\Settings.Designer.cs
..........\..........\..........\Settings.settings
..........\..........\obj\studentSys.csproj.FileList.txt
..........\..........\...\studentSys.csproj.FileListAbsolute.txt
..........\..........\...\Debug\studentSys.exe
..........\..........\...\.....\studentSys.frmClassInfo.resources
..........\..........\...\.....\studentSys.frmCoursInfo.resources
..........\..........\...\.....\studentSys.frmInData.resources
..........\..........\...\.....\studentSys.frmLogin.resources
..........\..........\...\.....\studentSys.frmMain.resources
..........\..........\...\.....\studentSys.frmModify.resources
..........\..........\...\.....\studentSys.frmOutData.resources
..........\..........\...\.....\studentSys.frmQclass.resources
..........\..........\...\.....\studentSys.frmQcourse.resources
..........\..........\...\.....\studentSys.frmQstudent.resources
..........\..........\...\.....\studentSys.frmScoreInfo.resources
..........\..........\...\.....\studentSys.frmStudentInfo.resources
..........\..........\...\.....\studentSys.frmUserInfo.resources
..........\..........\...\.....\studentSys.Properties.Resources.resources
..........\..........\...\.....\Interop.IasHelperLib.dll
..........\..........\...\.....\Interop.ACTIVEXLib.dll
..........\..........\...\.....\Interop.Microsoft.Office.Core.dll
..........\..........\...\.....\Interop.Excel.dll
..........\..........\...\.....\studentSys.csproj.ResolveComReference.cache
..........\..........\...\.....\TempPE\DataSet1.Designer.cs.dll
..........\..........\...\.....\......\Properties.Resources.Designer.cs.dll
..........\..........\...\.....\ResolveAssemblyReference.cache
..........\..........\...\.....\studentSys.pdb
..........\..........\...\.....\studentSys.csproj.GenerateResource.Cache
..........\..........\bin\Debug\Interop.IasHelperLib.dll
..........\..........\...\.....\studentSys.exe
..........\..........\...\.....\studentSys.exe.config
..........\..........\...\.....\studentSys.pdb
..........\..........\...\.....\studentSys.vshost.exe
..........\..........\...\.....\studentSys.vshost.exe.config
..........\..........\...\.....\Interop.ACTIVEXLib.dll
..........\..........\...\.....\Interop.Excel.dll
..........\..........\...\.....\Interop.Microsoft.Office.Core.dll
..........\..........\...\.....\Microsoft.Office.Interop.Excel.dll
..........\..........\...\.....\