HIRO's.NETとPowerShell from Japan!! の管理人です。 ---------------------------------------------------------------------- MSMVP for PowerShell http://hiros-dot.net/ http://blog.hiros-dot.net/ http://blog.powershell-from.jp c# treeview dataset datagridview sqldataadapter commandtext sqlcommand sqlconnection treenode ノード tollback commit begintransaction executenonquery read sqlserver allowdrop backgroundwor