I have had some issues triggering events as needed. I found this page on Microsoft's Office Website.
http://office.microsoft.com/en-us/access/HP051867611033.aspx
Knowing when events happen and what happens during these events helped me. I hope it helps you.
http://office.microsoft.com/en-us/access/HP051867611033.aspx
Knowing when events happen and what happens during these events helped me. I hope it helps you.