DataGridView中数据拖动到TreeView
................................\lianxi.bak
................................\treeview2
................................\treeview2.rar
................................\.........\Backup
................................\.........\......\treeview2
................................\.........\......\treeview2.sln
................................\.........\......\treeview2.suo
................................\.........\......\.........\dbhelper.cs
................................\.........\......\.........\Form1.cs
................................\.........\......\.........\Form1.Designer.cs
................................\.........\......\.........\Form1.resx
................................\.........\......\.........\Program.cs
................................\.........\......\.........\Properties
................................\.........\......\.........\..........\AssemblyInfo.cs
................................\.........\......\.........\..........\Resources.Designer.cs
................................\.........\......\.........\..........\Resources.resx
................................\.........\......\.........\..........\Settings.Designer.cs
................................\.........\......\.........\..........\Settings.settings
................................\.........\......\.........\treeview2.csproj
................................\.........\treeview2
................................\.........\treeview2.sln
................................\.........\treeview2.suo
................................\.........\.........\bin
................................\.........\.........\...\Debug
................................\.........\.........\...\.....\treeview2.exe
................................\.........\.........\...\.....\treeview2.pdb
................................\.........\.........\...\.....\treeview2.vshost.exe
................................\.........\.........\...\.....\treeview2.vshost.exe.manifest
................................\.........\.........\...\Release
................................\.........\.........\dbhelper.cs
................................\.........\.........\Form1.cs
................................\.........\.........\Form1.Designer.cs
................................\.........\.........\Form1.resx
................................\.........\.........\obj
................................\.........\.........\...\Debug
................................\.........\.........\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
................................\.........\.........\...\.....\GenerateResource-ResGen.read.1.tlog
................................\.........\.........\...\.....\GenerateResource-ResGen.write.1.tlog
................................\.........\.........\...\.....\TempPE
................................\.........\.........\...\.....\......\Properties.Resources.Designer.cs.dll
................................\.........\.........\...\.....\treeview2.csproj.FileListAbsolute.txt
................................\.........\.........\...\.....\treeview2.csproj.GenerateResource.Cache
................................\.........\.........\...\.....\treeview2.exe
................................\.........\.........\...\.....\treeview2.Form1.resources
................................\.........\.........\...\.....\treeview2.pdb
................................\.........\.........\...\.....\treeview2.Properties.Resources.resources
................................\.........\.........\Program.cs
................................\.........\.........\Properties
................................\.........\.........\..........\AssemblyInfo.cs
................................\.........\.........\..........\Resources.Designer.cs
................................\.........\.........\..........\Resources.resx
................................\.........\.........\..........\Settings.Designer.cs
................................\.........\.........\..........\Settings.settings
................................\.........\.........\treeview2.csproj
...................