File list (Check if you may need any files):
BLL
...\bin
...\...\Debug
...\...\.....\BLL.dll
...\...\.....\BLL.pdb
...\...\.....\DAL.dll
...\...\.....\DAL.pdb
...\...\.....\Model.dll
...\...\.....\Model.pdb
...\...\.....\Newtonsoft.Json.dll
...\BLL.csproj
...\BLL.csproj.user
...\dicMenuBLL.cs
...\DTreeJSONHelper.cs
...\FormJSONHelper.cs
...\GuestBLL.cs
...\JSONHelper.cs
...\NavBLL.cs
...\obj
...\...\Debug
...\...\.....\BLL.csproj.FileListAbsolute.txt
...\...\.....\BLL.dll
...\...\.....\BLL.pdb
...\...\.....\Refactor
...\...\.....\........\BLL.dll
...\...\.....\ResolveAssemblyReference.cache
...\...\.....\TempPE
...\OpenRoomBLL.cs
...\Properties
...\..........\AssemblyInfo.cs
...\PublishBLL.cs
...\RoleBLL.cs
...\RoomBLL.cs
...\RoomRecordBLL.cs
...\RoomTypeBLL.cs
...\TotalInBLL.cs
...\UserBLL.cs
DAL
...\bin
...\...\Debug
...\...\.....\DAL.dll
...\...\.....\DAL.pdb
...\...\.....\Model.dll
...\...\.....\Model.pdb
...\DAL.csproj
...\dicMenuDao.cs
...\GuestDAO.cs
...\NavDAO.cs
...\obj
...\...\Debug
...\...\.....\DAL.csproj.FileListAbsolute.txt
...\...\.....\DAL.dll
...\...\.....\DAL.pdb
...\...\.....\Refactor
...\...\.....\........\DAL.dll
...\...\.....\ResolveAssemblyReference.cache
...\...\.....\TempPE
...\OpenRoomDAO.cs
...\Properties
...\..........\AssemblyInfo.cs
...\PublishDAO.cs
...\RoleDAO.cs
...\RoomDAO.cs
...\RoomRecordDAO.cs
...\RoomTypeDAO.cs
...\SQLHelper.cs
...\TestDAO.cs
...\TotalInDAO.cs
...\UserDAO.cs
Model
.....\bin
.....\...\Debug
.....\...\.....\Model.dll
.....\...\.....\Model.pdb
.....\Guest.cs
.....\Model.csproj
.....\NavBean.cs
.....\obj
.....\...\Debug
.....\...\.....\Model.csproj.FileListAbsolute.txt
.....\...\.....\Model.dll
.....\...\.....\Model.pdb
.....\...\.....\Refactor
.....\...\.....\........\Model.dll
.....\...\.....\TempPE
.....\OpenRoom.cs
.....\Properties
.....\..........\AssemblyInfo.cs
.....\Publish.cs
.....\Role.cs
.....\Room.cs
.....\RoomRecord.cs
.....\RoomType.cs
.....\Test.cs
.....\TotalIn.cs
.....\User.cs
OMMIS_WebSite.sln
OMMIS_WebSite.suo
UI
..\AddGuestAndRoom.aspx