File list (Check if you may need any files):
Multitier example\BLL\bin\Debug\BLL.dll
.................\...\...\.....\BLL.pdb
.................\...\...\.....\DAL.dll
.................\...\...\.....\DAL.pdb
.................\...\...\Debug
.................\...\bin
.................\...\BLL.csproj
.................\...\LoginBLL.cs
.................\...\obj\Debug\BLL.csproj.FileListAbsolute.txt
.................\...\...\.....\BLL.dll
.................\...\...\.....\BLL.pdb
.................\...\...\.....\Refactor
.................\...\...\.....\ResolveAssemblyReference.cache
.................\...\...\.....\TempPE
.................\...\...\Debug
.................\...\obj
.................\...\Properties\AssemblyInfo.cs
.................\...\Properties
.................\BLL
.................\DAL\bin\Debug\DAL.dll
.................\...\...\.....\DAL.pdb
.................\...\...\Debug
.................\...\bin
.................\...\DAL.csproj
.................\...\LoginDAL.cs
.................\...\obj\Debug\DAL.csproj.FileListAbsolute.txt
.................\...\...\.....\DAL.dll
.................\...\...\.....\DAL.pdb
.................\...\...\.....\Refactor
.................\...\...\.....\TempPE
.................\...\...\Debug
.................\...\obj
.................\...\Properties\AssemblyInfo.cs
.................\...\Properties
.................\DAL
.................\WindowsFormsApplication3\bin\Debug\BLL.dll
.................\........................\...\.....\BLL.pdb
.................\........................\...\.....\DAL.dll
.................\........................\...\.....\DAL.pdb
.................\........................\...\.....\WindowsFormsApplication3.exe
.................\........................\...\.....\WindowsFormsApplication3.pdb
.................\........................\...\.....\WindowsFormsApplication3.vshost.exe
.................\........................\...\Debug
.................\........................\bin
.................\........................\Form1.cs
.................\........................\Form1.Designer.cs
.................\........................\Form1.resx
.................\........................\obj\Debug\Refactor
.................\........................\...\.....\ResolveAssemblyReference.cache
.................\........................\...\.....\TempPE
.................\........................\...\.....\WindowsFormsApplication3.csproj.FileListAbsolute.txt
.................\........................\...\.....\WindowsFormsApplication3.csproj.GenerateResource.Cache
.................\........................\...\.....\WindowsFormsApplication3.exe
.................\........................\...\.....\WindowsFormsApplication3.Form1.resources
.................\........................\...\.....\WindowsFormsApplication3.Form2.resources
.................\........................\...\.....\WindowsFormsApplication3.pdb
.................\........................\...\.....\WindowsFormsApplication3.Properties.Resources.resources
.................\........................\...\Debug
.................\........................\obj
.................\........................\Program.cs
.................\........................\...perties\AssemblyInfo.cs
.................\........................\..........\Resources.Designer.cs
.................\........................\..........\Resources.resx
.................\........................\..........\Settings.Designer.cs
.................\........................\..........\Settings.settings
.................\........................\Properties
.................\........................\WindowsFormsApplication3.csproj
.................\WindowsFormsApplication3
.................\WindowsFormsApplication3.sln
.................\WindowsFormsApplication3.suo
Multitier example