File list (Check if you may need any files):
LINQ to SQL\Backup\LINQ to SQL\app.config
...........\......\...........\LINQ to SQL.csproj
...........\......\...........\Northwind.cs
...........\......\...........\Northwind.dbml
...........\......\...........\Northwind.dbml.layout
...........\......\...........\Northwind.designer.cs
...........\......\...........\Program.cs
...........\......\...........\...perties\AssemblyInfo.cs
...........\......\...........\..........\Settings.Designer.cs
...........\......\...........\..........\Settings.settings
...........\......\LINQ to SQL.sln
...........\......\LINQ to SQL.suo
...........\LINQ to SQL\app.config
...........\...........\bin\Debug\LINQ to SQL.exe
...........\...........\...\.....\LINQ to SQL.exe.config
...........\...........\...\.....\LINQ to SQL.pdb
...........\...........\...\.....\LINQ to SQL.vshost.exe
...........\...........\...\.....\LINQ to SQL.vshost.exe.config
...........\...........\...\.....\LINQ to SQL.vshost.exe.manifest
...........\...........\LINQ to SQL.csproj
...........\...........\Northwind.cs
...........\...........\Northwind.dbml
...........\...........\Northwind.dbml.layout
...........\...........\Northwind.designer.cs
...........\...........\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
...........\...........\...\.....\LINQ to SQL.csproj.FileListAbsolute.txt
...........\...........\...\.....\LINQ to SQL.exe
...........\...........\...\.....\LINQ to SQL.pdb
...........\...........\...\.....\TempPE\Northwind.designer.cs.dll
...........\...........\Program.cs
...........\...........\...perties\AssemblyInfo.cs
...........\...........\..........\Settings.Designer.cs
...........\...........\..........\Settings.settings
...........\LINQ to SQL.sln
...........\LINQ to SQL.suo
...........\Northwind.mdf
...........\Northwind_log.LDF
...........\UpgradeLog.XML
...........\_UpgradeReport_Files\UpgradeReport.css
...........\....................\UpgradeReport.xslt
...........\....................\UpgradeReport_Minus.gif
...........\....................\UpgradeReport_Plus.gif
...........\LINQ to SQL\obj\Debug\TempPE
...........\Backup\LINQ to SQL\Properties
...........\LINQ to SQL\bin\Debug
...........\...........\obj\Debug
...........\Backup\LINQ to SQL
...........\LINQ to SQL\bin
...........\...........\obj
...........\...........\Properties
...........\Backup
...........\LINQ to SQL
...........\_UpgradeReport_Files
LINQ to SQL