Hi
This is an excellent control but i have a problem is there anyway to select/unselect all the child nodes by clicking the root node? Thanks
You can refer to this link:
http://lightswitchhelpwebsite.com/Blog/tabid/61/EntryId/97/Creating-a-Visual-Studio-LightSwitch-Screen-Template.aspx
This blog will tell you how to use checkbox for your many to many control.