Any time Dave.
No Lee unfortunately it's not on MSDN - I had to find out the hard way by swearing at my screen for most of a day. If you debug a page with breakpoints in Page_Load and ItemCreated, you should hit ItemCreated first on postback, then potentially again after Load if it gets rebound.
Something similar on asp.net - http://forums.asp.net/t/1412918.aspx
and something official from MS on Connect - http://connect.microsoft.com/VisualS...dbackID=102977