01_Bil\billing_01\billing_01.sln
......\..........\billing_01.suo
......\..........\..........\billing_01.csproj
......\..........\..........\dbconn.cs
......\..........\..........\Form1.cs
......\..........\..........\Form1.Designer.cs
......\..........\..........\Form1.resx
......\..........\..........\Form2.cs
......\..........\..........\Form2.Designer.cs
......\..........\..........\Form2.resx
......\..........\..........\Form3.cs
......\..........\..........\Form3.Designer.cs
......\..........\..........\Form3.resx
......\..........\..........\Form4.cs
......\..........\..........\Form4.Designer.cs
......\..........\..........\Form4.resx
......\..........\..........\mainpage.cs
......\..........\..........\mainpage.Designer.cs
......\..........\..........\mainpage.resx
......\..........\..........\Program.cs
......\..........\..........\...perties\AssemblyInfo.cs
......\..........\..........\..........\Resources.Designer.cs
......\..........\..........\..........\Resources.resx
......\..........\..........\..........\Settings.Designer.cs
......\..........\..........\..........\Settings.settings
......\..........\..........\obj\Debug\billing_01.csproj.FileListAbsolute.txt
......\..........\..........\...\.....\billing_01.csproj.GenerateResource.Cache
......\..........\..........\...\.....\billing_01.exe
......\..........\..........\...\.....\billing_01.Form1.resources
......\..........\..........\...\.....\billing_01.Form2.resources
......\..........\..........\...\.....\billing_01.Form3.resources
......\..........\..........\...\.....\billing_01.Form4.resources
......\..........\..........\...\.....\billing_01.pdb
......\..........\..........\...\.....\billing_01.Properties.Resources.resources
......\..........\..........\bin\Debug\billing_01.exe
......\..........\..........\...\.....\billing_01.pdb
......\..........\..........\...\.....\billing_01.vshost.exe
......\..........\..........\...\.....\billing_01.vshost.exe.manifest
......\..........\..........\obj\Debug\TempPE
......\..........\..........\...\.....\Refactor
......\..........\..........\...\Debug
......\..........\..........\bin\Debug
......\..........\..........\Properties
......\..........\..........\obj
......\..........\..........\bin
......\..........\billing_01
......\billing_01
01_Bil