在vs2005中C#Windows控件中如何使用treeview控件

this.treeView1.Nodes.Add(objTreeNode);

 数据库应用

public static bool GetData()  {  mBoot = new TreeNode("参数化文件列表");  try  {  DataTableCollection dts = TlsHelper.GetTablesFormXml("tlscad.trv");  DataTable cdt = dts["Class"];  DataTable sdt = dts["SubClass"];  int m = cdt.Rows.Count;  for (int i = 0; i < m; i++)  {  DataRow cdr = cdt.Rows;  TreeNode cnode = new TreeNode(cdr["Name"].ToString());  DataRow[] sdrs = sdt.Select("c>}//