asp.net three-tier architecture

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........\BLL
........\...\AdminBLL.cs
........\...\bin
........\...\...\Debug
........\...\...\.....\BLL.dll
........\...\...\.....\BLL.pdb
........\...\...\.....\Microsoft.Practices.EnterpriseLibrary.Configuration.Design.dll
........\...\...\.....\Microsoft.Practices.EnterpriseLibrary.Configuration.Design.xml
........\...\...\.....\Microsoft.Practices.EnterpriseLibrary.Data.Configuration.Design.dll
........\...\...\.....\Microsoft.Practices.EnterpriseLibrary.Data.Configuration.Design.xml
........\...\...\.....\Microsoft.Practices.EnterpriseLibrary.Data.dll
........\...\...\.....\Microsoft.Practices.EnterpriseLibrary.Data.xml
........\...\...\.....\Microsoft.Practices.ObjectBuilder.dll
........\...\...\.....\Microsoft.Practices.ObjectBuilder.xml
........\...\...\.....\Model.dll
........\...\...\.....\Model.pdb
........\...\...\Release
........\...\BLL.csproj
........\...\BLL.csproj.user
........\...\CorporationBLL.cs
........\...\ForumBLL.cs
........\...\FriendBLL.cs
........\...\GuidanceBLL.cs
........\...\Login.cs
........\...\MessageBLL.cs
........\...\NewsBLL.cs
........\...\obj
........\...\...\BLL.csproj.FileList.txt
........\...\...\BLL.csproj.FileListAbsolute.txt
........\...\...\Debug
........\...\...\.....\BLL.dll
........\...\...\.....\BLL.pdb
........\...\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
........\...\...\.....\Refactor
........\...\...\.....\........\BLL.dll
........\...\...\.....\ResolveAssemblyReference.cache
........\...\...\.....\TempPE
........\...\Properties
........\...\..........\AssemblyInfo.cs
........\...\RoleBLL.cs
........\...\StudentInfoBLL.cs
........\Model
........\.....\Admin.cs
........\.....\Answer.cs
........\.....\bin
........\.....\...\Debug
........\.....\...\.....\Model.dll
........\.....\...\.....\Model.pdb
........\.....\...\Release
........\.....\Corporation.cs
........\.....\Forum.cs
........\.....\Friend.cs
........\.....\Guidance.cs
........\.....\Message.cs
........\.....\MessageUser.cs
........\.....\Model.csproj
........\.....\Model.csproj.user
........\.....\Module.cs
........\.....\NewClass.cs
........\.....\News.cs
........\.....\obj
........\.....\...\Debug
........\.....\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
........\.....\...\.....\Model.dll
........\.....\...\.....\Model.pdb
........\.....\...\.....\Refactor
........\.....\...\.....\........\Model.dll
........\.....\...\.....\TempPE
........\.....\...\Model.csproj.FileList.txt
........\.....\...\Model.csproj.FileListAbsolute.txt
........\.....\Properties
........\.....\..........\AssemblyInfo.cs
........\.....\Question.cs
........\.....\Role.cs
........\.....\StudentInfo.cs
........\SISystem
........\SISystem.sln
........\SISystem.suo
........\........\Admin
........\........\.....\admin_main.aspx
........\........\.....\admin_main.aspx.cs
........\........\.....\Corporation
........\........\.....\...........\Cor_addnews.aspx
........\........\.....\...........\Cor_addnews.aspx.cs
........\........\.....\...........\Cor_addnewsShow.aspx
........\........\.....\...........\Cor_addnewsShow.aspx.cs
........\........\.....\...........\Cor_Application.aspx
........\........\.....\...........\Cor_Application.aspx.cs
........\........\.....\...........\Cor_ApplicationShow.aspx
........\........\.....\...........\Cor_ApplicationShow.aspx.cs
........\........\.....\Forum
........\........\.....\.....\For_Show.aspx
........\........\.....\.....\For_Show.aspx.cs
........\........\.....\Guidance
........\........\.....\........\Gui_ShowAffiche.aspx
........\........\.....\........\Gui_ShowAffiche.aspx.cs
........\........\.....\........\Gui_Showcase.aspx
........\........\.....\........\Gui_Showcase.aspx.cs
........\........\.....\........\Gui_Showdevelop.aspx

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