In a small C# code, the database connection.

Ex05_2
......\Ex05_2
......\Ex05_2.sln
......\Ex05_2.suo
......\......\bin
......\......\...\Debug
......\......\...\.....\Ex05_2.exe
......\......\...\.....\Ex05_2.pdb
......\......\...\.....\Ex05_2.vshost.exe
......\......\...\.....\Ex05_2.vshost.exe.manifest
......\......\CrystalReport1.cs
......\......\CrystalReport1.rpt
......\......\Ex05_2.csproj
......\......\Ex05_2.csproj.user
......\......\Form1.cs
......\......\Form1.Designer.cs
......\......\Form1.resx
......\......\obj
......\......\...\Debug
......\......\...\.....\Ex05_2.csproj.FileListAbsolute.txt
......\......\...\.....\Ex05_2.csproj.GenerateResource.Cache
......\......\...\.....\Ex05_2.exe
......\......\...\.....\Ex05_2.Form1.resources
......\......\...\.....\Ex05_2.pdb
......\......\...\.....\Ex05_2.Properties.Resources.resources
......\......\...\.....\TempPE
......\......\...\.....\......\CrystalReport1.cs.dll
......\......\Program.cs
......\......\Properties
......\......\..........\AssemblyInfo.cs
......\......\..........\Resources.Designer.cs
......\......\..........\Resources.resx
......\......\..........\Settings.Designer.cs
......\......\..........\Settings.settings

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