Treeview in MS Access Part 2, Navigation by Treeview
У вашего броузера проблема в совместимости с HTML5
This demo shows how you can react to mouseclicks and use that to navigate your form
The sample database can be found on my blog, in both Ac2003 and Ac2007 format:
http://thesmileycoder.com/treeview-in-ms-access-part-2-navigation-by-treeview/
Obs: Remember that you can turn up the quality of the video.