Hello Jorge Delgado-Lopez,
Thank you for writing.
Your ASCII outline is quite illustrative. However, I am not completely sure if this is possible to be implemented using
RadGridView. In the latest release,
RadGridView is not capable to handle user controls in its rows. We will consider such functionality for the future versions.
If you have any additional questions, please contact us.
Best wishes,
Georgi
the Telerik team