【示例程序】：投票系统
......................\code(三层)
......................\..........\vote2008
......................\..........\........\BLL
......................\..........\........\...\bin
......................\..........\........\...\...\Debug
......................\..........\........\...\...\.....\BLL.dll
......................\..........\........\...\...\.....\BLL.pdb
......................\..........\........\...\...\.....\COMM.dll
......................\..........\........\...\...\.....\COMM.pdb
......................\..........\........\...\...\.....\DAL.dll
......................\..........\........\...\...\.....\DAL.pdb
......................\..........\........\...\BLL.csproj
......................\..........\........\...\obj
......................\..........\........\...\...\Debug
......................\..........\........\...\...\.....\BLL.csproj.FileListAbsolute.txt
......................\..........\........\...\...\.....\BLL.dll
......................\..........\........\...\...\.....\BLL.pdb
......................\..........\........\...\...\.....\ResolveAssemblyReference.cache
......................\..........\........\...\...\.....\TempPE
......................\..........\........\...\Properties
......................\..........\........\...\..........\AssemblyInfo.cs
......................\..........\........\...\VoteBLL.cs
......................\..........\........\COMM
......................\..........\........\....\bin
......................\..........\........\....\...\Debug
......................\..........\........\....\...\.....\COMM.dll
......................\..........\........\....\...\.....\COMM.pdb
......................\..........\........\....\Class1.cs
......................\..........\........\....\COMM.csproj
......................\..........\........\....\obj
......................\..........\........\....\...\Debug
......................\..........\........\....\...\.....\COMM.csproj.FileListAbsolute.txt
......................\..........\........\....\...\.....\COMM.dll
......................\..........\........\....\...\.....\COMM.pdb
......................\..........\........\....\...\.....\Refactor
......................\..........\........\....\...\.....\TempPE
......................\..........\........\....\Properties
......................\..........\........\....\..........\AssemblyInfo.cs
......................\..........\........\....\voteConfigModel.cs
......................\..........\........\....\voteDetailsModel.cs
......................\..........\........\....\voteMasterModel.cs
......................\..........\........\....\VoteModel.cs
......................\..........\........\DAL
......................\..........\........\...\BaseDAL.cs
......................\..........\........\...\bin
......................\..........\........\...\...\Debug
......................\..........\........\...\...\.....\COMM.dll
......................\..........\........\...\...\.....\COMM.pdb
......................\..........\........\...\...\.....\DAL.dll
......................\..........\........\...\...\.....\DAL.pdb
......................\..........\........\...\DAL.csproj
......................\..........\........\...\obj
......................\..........\........\...\...\Debug
......................\..........\........\...\...\.....\DAL.csproj.FileListAbsolute.txt
......................\..........\........\...\...\.....\DAL.dll
......................\..........\........\...\...\.....\DAL.pdb
......................\..........\........\...\...\.....\Refactor
......................\..........\........\...\...\.....\ResolveAssemblyReference.cache
......................\..........\........\...\...\.....\TempPE
......................\..........\........\...\Properties
......................\..........\........\...\..........\AssemblyInfo.cs
......................\..........\........\...\SQLHelper.cs
......................\..........\........\...\voteDAL.cs
......................\..........\........\vote2008.sln
......................\..........\........\WebUI
...............