public virtual void InstantiateIn(Control control)
{
UserControl uc = (UserControl)HttpRuntime.CreatePublicInstance(_ctrlType);
// Make sure that the user control is not used as the binding container,
// since we want its *parent* to be the binding container.
uc.SetNonBindingContainer();
uc.InitializeAsUserControl(control.Page);
control.Controls.Add(uc);
}