>How do you link the column to that checkbox in the container ?
After you add the container to the column (this may take a couple visual tries to get the check box centered just right , setting top & left)), you'll need to set the Controlsource of both the column and the checkbox to the correct field. That will do the trick...
The Anonymous Bureaucrat,
and frankly, quite content not to be
a member of either major US political party.