File list (Check if you may need any files):
WindowsFormsApplication1
........................\WindowsFormsApplication1
........................\........................\App.config
........................\........................\Program.cs
........................\........................\Properties
........................\........................\..........\AssemblyInfo.cs
........................\........................\..........\Resources.Designer.cs
........................\........................\..........\Resources.resx
........................\........................\..........\Settings.Designer.cs
........................\........................\..........\Settings.settings
........................\........................\WindowsFormsApplication1.csproj
........................\........................\bin
........................\........................\...\Debug
........................\........................\...\.....\WindowsFormsApplication1.exe
........................\........................\...\.....\WindowsFormsApplication1.exe.config
........................\........................\...\.....\WindowsFormsApplication1.pdb
........................\........................\...\.....\WindowsFormsApplication1.vshost.exe
........................\........................\...\.....\WindowsFormsApplication1.vshost.exe.config
........................\........................\...\.....\WindowsFormsApplication1.vshost.exe.manifest
........................\........................\...\Release
........................\........................\obj
........................\........................\...\Debug
........................\........................\...\.....\DesignTimeResolveAssemblyReferences.cache
........................\........................\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
........................\........................\...\.....\TempPE
........................\........................\...\.....\......\DataSet1.Designer.cs.dll
........................\........................\...\.....\......\DataSet2.Designer.cs.dll
........................\........................\...\.....\......\DataSet3.Designer.cs.dll
........................\........................\...\.....\......\DataSet4.Designer.cs.dll
........................\........................\...\.....\......\DataSet5.Designer.cs.dll
........................\........................\...\.....\......\Properties.Resources.Designer.cs.dll
........................\........................\...\.....\......\图书销售系统DataSet.Designer.cs.dll
........................\........................\...\.....\......\图书销售系统DataSet1.Designer.cs.dll
........................\........................\...\.....\......\图书销售系统DataSet2.Designer.cs.dll
........................\........................\...\.....\......\图书销售系统DataSet3.Designer.cs.dll
........................\........................\...\.....\......\图书销售系统DataSet4.Designer.cs.dll
........................\........................\...\.....\......\图书销售系统DataSet5.Designer.cs.dll
........................\........................\...\.....\......\图书销售系统DataSet6.Designer.cs.dll
........................\........................\...\.....\......\图书销售系统DataSet7.Designer.cs.dll
........................\........................\...\.....\......\图书销售系统DataSet8.Designer.cs.dll
........................\........................\...\.....\......\图书销售系统DataSet9.Designer.cs.dll
........................\........................\...\.....\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
........................\........................\...\.....\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
........................\........................\...\.....\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs
........................\........................\...\.....\WindowsFormsApplication1.csproj.FileListAbsolute.txt
........................\........................\...\.....\WindowsFormsApplication1.csproj.GenerateResource.Cache
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