自动创建Business层，不用手动创建、只要有Sql2005数据库就可以

CreateBusiness\Business\bin\Debug\Business.dll
..............\........\...\.....\Business.pdb
..............\........\...\.....\DbAccess.dll
..............\........\...\.....\DbAccess.pdb
..............\........\Business.csproj
..............\........\CDataBase.cs
..............\........\CTable.cs
..............\........\obj\Debug\Business.csproj.FileListAbsolute.txt
..............\........\...\.....\Business.dll
..............\........\...\.....\Business.pdb
..............\........\...\.....\ResolveAssemblyReference.cache
..............\........\Properties\AssemblyInfo.cs
..............\CreateBusiness\App.config
..............\..............\bin\Debug\Business.dll
..............\..............\...\.....\Business.pdb
..............\..............\...\.....\CreateBusiness.exe
..............\..............\...\.....\CreateBusiness.exe.config
..............\..............\...\.....\CreateBusiness.pdb
..............\..............\...\.....\CreateBusiness.vshost.exe
..............\..............\...\.....\CreateBusiness.vshost.exe.config
..............\..............\...\.....\CreateBusiness.vshost.exe.manifest
..............\..............\...\.....\DbAccess.dll
..............\..............\...\.....\DbAccess.pdb
..............\..............\CreateBusiness.csproj
..............\..............\Form1.cs
..............\..............\Form1.Designer.cs
..............\..............\Form1.resx
..............\..............\obj\Debug\CreateBusiness.csproj.FileListAbsolute.txt
..............\..............\...\.....\CreateBusiness.csproj.GenerateResource.Cache
..............\..............\...\.....\CreateBusiness.exe
..............\..............\...\.....\CreateBusiness.Form1.resources
..............\..............\...\.....\CreateBusiness.pdb
..............\..............\...\.....\CreateBusiness.Properties.Resources.resources
..............\..............\...\.....\ResolveAssemblyReference.cache
..............\..............\Program.cs
..............\..............\...perties\AssemblyInfo.cs
..............\..............\..........\Resources.Designer.cs
..............\..............\..........\Resources.resx
..............\..............\..........\Settings.Designer.cs
..............\..............\..........\Settings.settings
..............\CreateBusiness.sln
..............\CreateBusiness.suo
..............\DbAccess\bin\Debug\DbAccess.dll
..............\........\...\.....\DbAccess.pdb
..............\........\CDbAccess.cs
..............\........\DbAccess.csproj
..............\........\obj\Debug\DbAccess.csproj.FileListAbsolute.txt
..............\........\...\.....\DbAccess.dll
..............\........\...\.....\DbAccess.pdb
..............\........\...\.....\Refactor\DbAccess.dll
..............\........\Properties\AssemblyInfo.cs
..............\Business\obj\Debug\Refactor
..............\........\...\.....\TempPE
..............\CreateBusiness\obj\Debug\Refactor
..............\..............\...\.....\TempPE
..............\DbAccess\obj\Debug\Refactor
..............\........\...\.....\TempPE
..............\Business\bin\Debug
..............\........\obj\Debug
..............\CreateBusiness\bin\Debug
..............\..............\obj\Debug
..............\DbAccess\bin\Debug
..............\........\obj\Debug
..............\Business\bin
..............\........\obj
..............\........\Properties
..............\CreateBusiness\bin
..............\..............\obj
..............\..............\Properties
..............\DbAccess\bin
..............\........\obj
..............\........\Properties
..............\Business
..............\CreateBusiness
..............\DbAccess
CreateBusiness

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