RadGrid won't collapse on OnInsertCommand, HELP!

[Tim]

I've got a radgrid that has an OnInsertCommand defined (along with OnItemCommand). I've tried e.Item.Expanded = false from the OnInsertCommand, and it doesn't seem to respond. I've even tried looping through items in the MasterTableView and Expanded=false all of them, and no dice.
Any ideas on how to collapse the insert form from OnInsertCommand programmatically?
Thanks in advance!
tried:

foreach (GridDataItem i in e.Item.OwnerTableView.Items)
                i.Expanded = false;

            e.Item.Expanded = false;
            RadGrid1.Rebind();

Also tried

        protected void RadGrid1_OnItemInserted(object sender, GridInsertedEventArgs e)
        {
            e.KeepInInsertMode = false;
        }

but it doesn't even fire that event for whatever reason.
Also tried doing a hard DataBind(), but the control keeps the state (leaves the item insert form open). WTF

[Tim]

Not sure if this is right, but at the end of my InsertCommand I put:

e.Item.OwnerTableView.IsItemInserted = false;
e.Canceled = true;
RadGrid1.Rebind();

... tada, closed the insert window.
This series of command was not obvious at all.