Sometimes words fail us...
3 days we've spent trying to get the formview and the wizard control to play nice. If you put a wizard control in a formview it just doesn't work, all your controls cease to exist in code.
At first we thought we though its us; but no it's Microsoft: https://connect.microsoft.com/VisualStudio/feedback/ViewFeedback.aspx?FeedbackID=105464&wa=wsignin1.0
more info here too: http://www.velocityreviews.com/forums/t118875-aspwizard-inside-of-a-aspformview-breacks-twoway-databinding-round-4.html
The conclusion at Redmond headquarters is "we can't fix it so we won't". The worst thing of all is that this was in version 2005 it was first noted, at Sapere we're using 2008.
Our developers are in a darkened room with councillors as we write...
The drawing board beckons...