三层架构及反射工厂，数据库连接

obj\Debug\ResolveAssemblyReference.cache obj\Debug\MyHotelManager_1.Properties.Resources.resources obj\Debug\MyHotelManager_1.csproj.GenerateResource.Cache bin\Debug\MyHotelManager_1.exe.config bin\Debug\MyHotelManager_1.exe bin\Debug\MyHotelManager_1.pdb bin\Debug\MyHotelManagerBLL.dll bin\Debug\MyHotelManagerModels.dll bin\Debug\MyHotelManagerIDAL.dll bin\Debug\MyHotelManagerFactory.dll bin\Debug\MyHotelManagerIDAL.pdb bin\Debug\MyHotelManagerFactory.pdb bin\Debug\MyHotelManagerBLL.pdb bin\Debug\MyHotelManagerModels.pdb obj\Debug\MyHotelManager_1.Form1.resources obj\Debug\MyHotelManager_1.exe obj\Debug\MyHotelManager_1.pdb