Csharp DataGridView on the form and application of TreeView




File list:
WindowsFormsApplication1
.......................\WindowsFormsApplication1
.......................\........................\bin
.......................\........................\...\Debug
.......................\........................\...\.....\Interop.MSDATASRC.dll
.......................\........................\...\.....\Interop.MSHierarchicalFlexGridLib.dll
.......................\........................\...\.....\WindowsFormsApplication1.exe
.......................\........................\...\.....\WindowsFormsApplication1.pdb
.......................\........................\...\.....\WindowsFormsApplication1.vshost.exe
.......................\........................\...\.....\WindowsFormsApplication1.vshost.exe.manifest
.......................\........................\obj
.......................\........................\...\Debug
.......................\........................\...\.....\Refactor
.......................\........................\...\.....\TempPE
.......................\........................\...\.....\Interop.MSDATASRC.dll
.......................\........................\...\.....\Interop.MSHierarchicalFlexGridLib.dll
.......................\........................\...\.....\WindowsFormsApplication1.Add.resources
.......................\........................\...\.....\WindowsFormsApplication1.csproj.FileListAbsolute.txt
.......................\........................\...\.....\WindowsFormsApplication1.csproj.GenerateResource.Cache
.......................\........................\...\.....\WindowsFormsApplication1.csproj.ResolveComReference.cache
.......................\........................\...\.....\WindowsFormsApplication1.exe
.......................\........................\...\.....\WindowsFormsApplication1.Form1.resources
.......................\........................\...\.....\WindowsFormsApplication1.pdb
.......................\........................\...\.....\WindowsFormsApplication1.Properties.Resources.resources
.......................\........................\...\.....\WindowsFormsApplication1.Tree.resources
.......................\........................\Properties
.......................\........................\..........\AssemblyInfo.cs
.......................\........................\..........\Resources.Designer.cs
.......................\........................\..........\Resources.resx
.......................\........................\..........\Settings.Designer.cs
.......................\........................\..........\Settings.settings
.......................\........................\Add.cs
.......................\........................\Add.Designer.cs
.......................\........................\Add.resx
.......................\........................\Form1.cs
.......................\........................\Form1.Designer.cs
.......................\........................\Form1.resx
.......................\........................\Program.cs
.......................\........................\PubFun.cs
.......................\........................\SqlHelp.cs
.......................\........................\Tree.cs
.......................\........................\Tree.Designer.cs
.......................\........................\Tree.resx
.......................\........................\WindowsFormsApplication1.csproj
.......................\WindowsFormsApplication1.sln
.......................\WindowsFormsApplication1.suo