The TB.TreeGrid is a Asp.Net WebControl used to show hierarchy data in tree view. you can also go to www.codeplex.com/treegrid.
TB.TreeGrid 1.0 is Now Available
Support Event -- Select Edit Update Delete
Support DataBind like TreeView
Support DataBind like GirdView
Support ASP.net 2.0
Data Bind from DataSource
Design Mode Support
A icon for this control -- who can help me?
Examples and Document