GridViewTree

GridViewTree is the most advanced and complete ASP.Net 2.0 multi-column treeview control.

This control is highly customizable with options that give a new level of control over visual appearance and behavior.

Key Features

Functions like a multi-column TreeView.
AJAX-based load on demand.
Uses common .NET data binding.
All columns are sortable.
Full control over where parent nodes sort.
Nearly codeless development experience.
Highly customizable style and behavior options.
Built-in checkboxes and hyperlink functionality.
Set images based on data or URLs.
Supports paging.
Templated columns.
Inline editing.
Royalty-free distribution.
Installs on your Visual Studio tool bar.
Works with Visual Studio 2005 & 2008

Here is a working demo with default icons and sorting.

FileName	Ext	Size	CreateDate
D:
FILES			8/15/2003
MSDE2000			8/15/2003
OWC10	XLS	560,128	8/15/2003
OWC11	XLS	604,672	8/15/2003
PROI11N	XLS	5,923,328	8/15/2003
README	MAL	6,581	7/25/2003
SETUP	EXE	416,824	7/15/2003

Working demo based on Northwind database. You can download the sample project Here
If you have Sql Server 2005 you will need to download the Northwind database from Microsoft Here

SalesPerson	Total
Buchanan, Steven	32,595
Callahan, Laura	59,777
Davolio, Nancy	97,534
Dodsworth, Anne	29,578
Fuller, Andrew	74,959
King, Robert	66,689
Leverling, Janet	111,789
Peacock, Margaret	139,478
Suyama, Michael	45,992

Here is a customized version with different icons and hyperlinks.

OrgChart	ReplyDate	Seating
ABC Corp
Accounting
Jack	9/11/2007	A21
Sue	9/12/2007	A18
Sales
Bob	9/14/2007
Larry	9/11/2007	A14