Beginner can use it that for practice.

VC#
...\Database
...\........\Northwind.mdf
...\........\Northwind_log.LDF
...\Example10-1
...\...........\bin
...\...........\...\Debug
...\...........\...\.....\Example10-1.exe
...\...........\...\.....\Example10-1.pdb
...\...........\...\.....\Example10-1.vshost.exe
...\...........\...\Release
...\...........\Example10-1.csproj
...\...........\Example10-1.csproj.user
...\...........\Example10-1.sln
...\...........\Form1.cs
...\...........\Form1.Designer.cs
...\...........\Form1.resx
...\...........\obj
...\...........\...\x86
...\...........\...\...\Debug
...\...........\...\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
...\...........\...\...\.....\Example10-1.csproj.FileListAbsolute.txt
...\...........\...\...\.....\Example10-1.exe
...\...........\...\...\.....\Example10-1.pdb
...\...........\...\...\.....\Example10_1.Form1.resources
...\...........\...\...\.....\Example10_1.Properties.Resources.resources
...\...........\...\...\.....\GenerateResource.read.1.tlog
...\...........\...\...\.....\GenerateResource.write.1.tlog
...\...........\...\...\.....\TempPE
...\...........\...\...\Release
...\...........\Program.cs
...\...........\Properties
...\...........\..........\AssemblyInfo.cs
...\...........\..........\Resources.Designer.cs
...\...........\..........\Resources.resx
...\...........\..........\Settings.Designer.cs
...\...........\..........\Settings.settings
...\Example12-1
...\...........\bin
...\...........\...\Debug
...\...........\...\.....\Example12-1.exe
...\...........\...\.....\Example12-1.pdb
...\...........\...\.....\Example12-1.vshost.exe
...\...........\...\Release
...\...........\Example12-1.csproj
...\...........\Example12-1.csproj.user
...\...........\Example12-1.sln
...\...........\Form1.cs
...\...........\Form1.Designer.cs
...\...........\Form1.resx
...\...........\obj
...\...........\...\x86
...\...........\...\...\Debug
...\...........\...\...\.....\DesignTimeResolveAssemblyReferences.cache
...\...........\...\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
...\...........\...\...\.....\Example12-1.csproj.FileListAbsolute.txt
...\...........\...\...\.....\Example12-1.exe
...\...........\...\...\.....\Example12-1.pdb
...\...........\...\...\.....\Example12_1.Form1.resources
...\...........\...\...\.....\Example12_1.Properties.Resources.resources
...\...........\...\...\.....\GenerateResource.read.1.tlog
...\...........\...\...\.....\GenerateResource.write.1.tlog
...\...........\...\...\.....\TempPE
...\...........\...\...\Release
...\...........\Program.cs
...\...........\Properties
...\...........\..........\AssemblyInfo.cs
...\...........\..........\Resources.Designer.cs
...\...........\..........\Resources.resx
...\...........\..........\Settings.Designer.cs
...\...........\..........\Settings.settings
...\Example12-2
...\...........\bin
...\...........\...\Debug
...\...........\...\.....\Example12-2.exe
...\...........\...\.....\Example12-2.pdb
...\...........\...\.....\Example12-2.vshost.exe
...\...........\...\Release
...\...........\Example12-2.csproj
...\...........\Example12-2.csproj.user
...\...........\Example12-2.sln
...\...........\Form1.cs
...\...........\Form1.Designer.cs
...\...........\Form1.resx
...\...........\obj
...\...........\...\x86
...\...........\...\...\Debug
...\...........\...\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
...\...........\...\...\.....\Example12-2.csproj.FileListAbsolute.txt
...\...........\...\...\.....\Example12-2.exe
...\...........\...\...\.....\Example12-2.pdb
...\...........\...\...\.....\Example12_2.Form1.resources
...\...........\...\...\.....\Example12_2.Properties.Resources.resources
...\...........\...\...\.....\GenerateResource.read.1.tlog
...\...........\...\...\.....\GenerateResource.write.1.tlog
...\...........\...\...\.....\TempPE
...\...........\...\...\Release
...\...........\Program.cs
...\...........\Properties
...\...........\..........\AssemblyInfo.cs

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