看看:
如何创建TreeView类型的GridView [ http://forums.asp.net/t/1287762.aspx/1 [ ^ ]
http://www.sitepoint.com/forums/showthread.php?524693-GridView-树效果 [ ^ ]
http://social.msdn.microsoft.com/Forums/zh/winformsdatacontrols/thread/e22d3561-09c6-4cc7-8f0e-3923f904824b [ http://highoncoding.com/Articles/422_Nested_GridView_with_TreeView_Like_Structure.aspx [

Have a look:
How to Create TreeView Type GridView[^]
http://forums.asp.net/t/1287762.aspx/1[^]
http://www.sitepoint.com/forums/showthread.php?524693-GridView-Tree-Effect[^]
http://social.msdn.microsoft.com/Forums/en/winformsdatacontrols/thread/e22d3561-09c6-4cc7-8f0e-3923f904824b[^]
http://highoncoding.com/Articles/422_Nested_GridView_with_TreeView_Like_Structure.aspx[^]