三层项目
........\案例一 MySchool
........\...............\DB
........\...............\MySchool
........\...............\........\app.config
........\...............\........\MySchool.BLL.dll
........\...............\........\MySchool.BLL.pdb
........\...............\........\MySchool.DAL.dll
........\...............\........\MySchool.DAL.pdb
........\...............\........\MySchool.DALFactory.dll
........\...............\........\MySchool.DALFactory.pdb
........\...............\........\MySchool.exe.config
........\...............\........\MySchool.IDAL.dll
........\...............\........\MySchool.IDAL.pdb
........\...............\........\MySchool.mdb
........\...............\........\MySchool.Models.dll
........\...............\........\MySchool.Models.pdb
........\...............\........\MySchool.pdb
........\...............\........\MySchool.vshost.exe
........\...............\........\MySchool.vshost.exe.config
........\...............\........\MySchool执行文件.exe
........\...............\素材
........\...............\....\提供给学员的材料
........\...............\....\................\MySchoolPro
........\...............\....\................\...........\MySchool
........\...............\....\................\...........\........\AdmForm.cs
........\...............\....\................\...........\........\AdmForm.Designer.cs
........\...............\....\................\...........\........\AdmForm.resx
........\...............\....\................\...........\........\app.config
........\...............\....\................\...........\........\bin
........\...............\....\................\...........\........\...\Debug
........\...............\....\................\...........\........\...\.....\MySchool.BLL.dll
........\...............\....\................\...........\........\...\.....\MySchool.BLL.pdb
........\...............\....\................\...........\........\...\.....\MySchool.exe
........\...............\....\................\...........\........\...\.....\MySchool.exe.config
........\...............\....\................\...........\........\...\.....\MySchool.pdb
........\...............\....\................\...........\........\...\.....\MySchool.vshost.exe
........\...............\....\................\...........\........\...\.....\MySchool.vshost.exe.config
........\...............\....\................\...........\........\CreateAdminForm.cs
........\...............\....\................\...........\........\CreateAdminForm.Designer.cs
........\...............\....\................\...........\........\CreateAdminForm.resx
........\...............\....\................\...........\........\CreateTeacherForm.cs
........\...............\....\................\...........\........\CreateTeacherForm.Designer.cs
........\...............\....\................\...........\........\CreateTeacherForm.resx
........\...............\....\................\...........\........\MySchool.csproj
........\...............\....\................\...........\........\MySchool.csproj.user
........\...............\....\................\...........\........\MySchool.sln
........\...............\....\................\...........\........\obj
........\...............\....\................\...........\........\...\Debug
........\...............\....\................\...........\........\...\.....\MySchool.AdmForm.resources
........\...............\....\................\...........\........\...\.....\MySchool.CreateAdminForm.resources
........\...............\....\................\...........\........\...\.....\MySchool.CreateTeacherForm.resources
........\...............\....\................\...........\........\...\.....\MySchool.csproj.GenerateResource.Cache
........\...............\....\................\...........\........\...\.....\MySchool.exe
........\...............\....\................\...........\........\...\.....\MySchool.pdb
........\...............\....\................\...........\........\...\.....\MySchool.Properties.Resources.resources
........\...............\....\................\