Asp.net Web File Manager

A single page ASP.NET file management utility:
http://www.codeproject.com/KB/aspnet/WebFileManager.aspx

Building a Vista Style Folder Browser with ASP.NET 3.5 and a Custom Hierarchical DataSource Control:
http://mattberseth.com/blog/2008/03/building_a_vista_style_folder.html

File Browser example:
http://www.obout.com/grid/grid_filebrowser.aspx