项目
....\Andy.Nicholas.WinForm
....\.....................\AccessDAL
....\.....................\.........\AccessDAL.csproj
....\.....................\.........\AccessHelper.cs
....\.....................\.........\bin
....\.....................\.........\...\Debug
....\.....................\.........\Factory.cs
....\.....................\.........\obj
....\.....................\.........\...\AccessDAL.csproj.FileList.txt
....\.....................\.........\...\Debug
....\.....................\.........\Properties
....\.....................\.........\..........\AssemblyInfo.cs
....\.....................\.........\Room.cs
....\.....................\.........\RoomType.cs
....\.....................\Andy.Nicholas.WinForm
....\.....................\.....................\Andy.Nicholas.WinForm.csproj
....\.....................\.....................\Andy.Nicholas.WinForm.csproj.user
....\.....................\.....................\App.config
....\.....................\.....................\bin
....\.....................\.....................\...\Debug
....\.....................\.....................\frmMain.cs
....\.....................\.....................\frmMain.Designer.cs
....\.....................\.....................\frmMain.resx
....\.....................\.....................\frmRoomSetting.cs
....\.....................\.....................\frmRoomSetting.Designer.cs
....\.....................\.....................\frmRoomSetting.resx
....\.....................\.....................\frmRoomTypeSetting.cs
....\.....................\.....................\frmRoomTypeSetting.Designer.cs
....\.....................\.....................\frmRoomTypeSetting.resx
....\.....................\.....................\obj
....\.....................\.....................\...\Andy.Nicholas.WinForm.csproj.FileList.txt
....\.....................\.....................\...\Debug
....\.....................\.....................\Program.cs
....\.....................\.....................\Properties
....\.....................\.....................\..........\AssemblyInfo.cs
....\.....................\.....................\..........\Resources.Designer.cs
....\.....................\.....................\..........\Resources.resx
....\.....................\.....................\..........\Settings.Designer.cs
....\.....................\.....................\..........\Settings.settings
....\.....................\Andy.Nicholas.WinForm.sln
....\.....................\BLL
....\.....................\...\bin
....\.....................\...\...\Debug
....\.....................\...\BLL.csproj
....\.....................\...\obj
....\.....................\...\...\BLL.csproj.FileList.txt
....\.....................\...\...\Debug
....\.....................\...\Properties
....\.....................\...\..........\AssemblyInfo.cs
....\.....................\...\Room.cs
....\.....................\...\RoomType.cs
....\.....................\Factory
....\.....................\.......\bin
....\.....................\.......\...\Debug
....\.....................\.......\Factory.cs
....\.....................\.......\Factory.csproj
....\.....................\.......\obj
....\.....................\.......\...\Debug
....\.....................\.......\...\Factory.csproj.FileList.txt
....\.....................\.......\Properties
....\.....................\.......\..........\AssemblyInfo.cs
....\.....................\IDAL
....\.....................\....\bin
....\.....................\....\...\Debug
....\.....................\....\IDAL.csproj
....\.....................\....\IRoom.cs
....\.....................\....\IRoomType.cs
....\.....................\....\obj
....\.....................\....\...\Debug
....\.....................\....\...\IDAL.csproj.FileList.txt
....\.....................\....\Properties
....\.....................\....\..........\AssemblyInfo.cs
....\.....................\Model
....\.....................\.....\bin
....\.....................\.....\...\Debug
....\.....................\.....\BusinessObject.cs
....\.....................\.....\BusinessObjectState.