The sample below was created by dragging a Multiview Control onto a web form, them dragging 3 View controls into the Multview control.
Protected Sub
RadioButtonList1_SelectedIndexChanged(ByVal
sender As Object,
ByVal e As
System.EventArgs) Handles
RadioButtonList1.SelectedIndexChanged
MultiView1.ActiveViewIndex = RadioButtonList1.SelectedValue
End Sub