Free hierarchical DataGridView with DataBinding support

I'm searching for a DataGridView derrived class that show data in hierarchical way and su开发者_StackOverflow社区pports DataBinding like regular DataGridView does. Do you any of this? Free?

I've searched for something similar but this is what I've found. It will do a parent to child relationship as needed.

http://www.denisbauer.com/ASPNETControls/HierarGrid.aspx

No Trial or serial just the control and you can download the source. It's customizable and has a good tutorial page on how to use it.