I am also interested in an Infragistics 2005 Vol.2 WebGrid add & update working sample. I am running MM.NET 1.4.1
In my submit button click the following call I am getting Object reference not set to an instance of an object.

Me.oOrder.CallStateChange(OakLeaf.MM.Main.Business.mmBusinessState.Bind)

But it seems as if I am missing something else since the other functions from the MM 3rd Party / Infragistics Batch update do not get called - such as Private Sub grdOrders_UpdateCellBatch

Does anyone know if this is a case of not registering for that event from Infragistics?
Thanks for any suggestions,
Mark