Log (a simple three-tier system) source code to use simple sign-on and user management to demonstrate the use of three-tier architecture, data-bound controls are used: GridView I have been looking for a steady three-tier structure in the study I have always found the the benefits of using automatic self-closing in the BLL to connect to business logic in operation do show UI

51aspx源码必读.txt
MVC.sln
SystemBLL
.........\bin
.........\...\Debug
.........\...\.....\SystemBLL.dll
.........\...\.....\SystemBLL.pdb
.........\...\.....\SystemDAL.dll
.........\...\.....\SystemDAL.pdb
.........\...\.....\SystemModel.dll
.........\...\.....\SystemModel.pdb
.........\BLL.cs
.........\obj
.........\...\Debug
.........\...\.....\Refactor
.........\...\.....\........\SystemBLL.dll
.........\...\.....\ResolveAssemblyReference.cache
.........\...\.....\SystemBLL.dll
.........\...\.....\SystemBLL.pdb
.........\...\.....\TempPE
.........\...\SystemBLL.csproj.FileList.txt
.........\Properties
.........\..........\AssemblyInfo.cs
.........\SystemBLL.csproj
SystemDAL
.........\bin
.........\...\Debug
.........\...\.....\SystemDAL.dll
.........\...\.....\SystemDAL.pdb
.........\...\.....\SystemModel.dll
.........\...\.....\SystemModel.pdb
.........\DAL.cs
.........\obj
.........\...\Debug
.........\...\.....\Refactor
.........\...\.....\........\SystemDAL.dll
.........\...\.....\ResolveAssemblyReference.cache
.........\...\.....\SystemDAL.dll
.........\...\.....\SystemDAL.pdb
.........\...\.....\TempPE
.........\...\SystemDAL.csproj.FileList.txt
.........\Properties
.........\..........\AssemblyInfo.cs
.........\SystemDAL.csproj
SystemModel
...........\bin
...........\...\Debug
...........\...\.....\SystemModel.dll
...........\...\.....\SystemModel.pdb
...........\LoginModel.cs
...........\obj
...........\...\Debug
...........\...\.....\Refactor
...........\...\.....\........\SystemModel.dll
...........\...\.....\SystemModel.dll
...........\...\.....\SystemModel.pdb
...........\...\.....\TempPE
...........\...\SystemModel.csproj.FileList.txt
...........\Properties
...........\..........\AssemblyInfo.cs
...........\SystemModel.csproj
WEB
...\App_Data
...\........\test.mdf
...\........\test_log.LDF
...\Bin
...\...\System.Web.Extensions.Design.dll
...\...\System.Web.Extensions.dll
...\...\SystemBLL.dll
...\...\SystemBLL.pdb
...\...\SystemDAL.dll
...\...\SystemDAL.pdb
...\...\SystemModel.dll
...\...\SystemModel.pdb
...\Login.aspx
...\Login.aspx.cs
...\test.aspx
...\test.aspx.cs
...\Web.config

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