File list (Check if you may need any files):
OurLibrary\BLL\AdminBll.cs
..........\...\bin\Debug\library.BLL.pdb
..........\...\...\.....\library.DAL.dll
..........\...\...\.....\library.DAL.pdb
..........\...\...\.....\library.DataAccess.dll
..........\...\...\.....\library.DataAccess.pdb
..........\...\...\.....\library.Interface.dll
..........\...\...\.....\library.Interface.pdb
..........\...\...\.....\Model.dll
..........\...\...\.....\Model.pdb
..........\...\...\Debug
..........\...\bin
..........\...\BLL.csproj
..........\...\BookBll.cs
..........\...\BookCaseBll.cs
..........\...\BookTypeBll.cs
..........\...\BorrowBookBll.cs
..........\...\excercise.cs
..........\...\LostBookBll.cs
..........\...\MessageBll.cs
..........\...\obj\BLL.csproj.FileListAbsolute.txt
..........\...\...\Debug\build.force
..........\...\...\.....\Refactor\library.BLL.dll
..........\...\...\.....\Refactor
..........\...\...\.....\ResolveAssemblyReference.cache
..........\...\...\.....\TempPE
..........\...\...\Debug
..........\...\obj
..........\...\PlacardBll.cs
..........\...\.roperties\AssemblyInfo.cs
..........\...\Properties
..........\...\UserBll.cs
..........\...\UserTypeBll.cs
..........\BLL
..........\DataBase\bin\Debug\library.DataAccess.dll
..........\........\...\.....\library.DataAccess.pdb
..........\........\...\.....\library.DataBase.dll
..........\........\...\.....\library.DataBase.pdb
..........\........\...\Debug
..........\........\bin
..........\........\Cnn.cs
..........\........\ConnectionX.cs
..........\........\DataAccess.csproj
..........\........\DataBase.cs
..........\........\obj\DataAccess.csproj.FileListAbsolute.txt
..........\........\...\DataBase.csproj.FileListAbsolute.txt
..........\........\...\.ebug\library.DataAccess.dll
..........\........\...\.....\library.DataAccess.pdb
..........\........\...\.....\library.DataBase.dll
..........\........\...\.....\library.DataBase.pdb
..........\........\...\.....\Refactor\library.DataAccess.dll
..........\........\...\.....\........\library.DataBase.dll
..........\........\...\.....\Refactor
..........\........\...\.....\TempPE
..........\........\...\Debug
..........\........\obj
..........\........\Properties\AssemblyInfo.cs
..........\........\Properties
..........\DataBase
..........\.LL\AdminDal.cs
..........\...\bin\Debug\library.DAL.pdb
..........\...\...\.....\library.DataAccess.dll
..........\...\...\.....\library.DataAccess.pdb
..........\...\...\.....\library.Interface.dll
..........\...\...\.....\library.Interface.pdb
..........\...\...\.....\Model.dll
..........\...\...\.....\Model.pdb
..........\...\...\Debug
..........\...\bin
..........\...\BookCaseDal.cs
..........\...\BookDal.cs
..........\...\BookTypeDal.cs
..........\...\BorrowBookDal.cs
..........\...\DAL.csproj
..........\...\LostBookDal.cs
..........\...\MessageDal.cs
..........\...\obj\DAL.csproj.FileListAbsolute.txt
..........\...\...\.ebug\Refactor\library.DAL.dll
..........\...\...\.....\Refactor
..........\...\...\.....\ResolveAssemblyReference.cache
..........\...\...\.....\TempPE
..........\...\...\Debug
..........\...\obj
..........\...\PlacardDal.cs
..........\...\.roperties\AssemblyInfo.cs
..........\...\Properties
..........\...\UserDal.cs
..........\...\UserTypeDal.cs
..........\DLL
..........\Interface\bin\Debug\library.Interface.dll
..........\.........\...\.....\library.Interface.pdb
..........\.........\...\Debug
..........\.........\bin
..........\.........\IExcel.cs
..........\.........\Interface.csproj
..........\.........\obj\Debug\library.Interface.dll
..........\.........\...\.....\library.Interface.pdb
..........\.........\...\.....\Refactor\library.Interface.dll
..........\.........\...\.....\Refactor
..........\.........\...\.....\TempPE