private void BindData if views ContainsKey PanelSelector SelectedValue

        private void BindData()
        {
            if (views.ContainsKey(PanelSelector.SelectedValue))
                MultiView.SetActiveView(views[PanelSelector.SelectedValue]);
            else
                MultiView.ActiveViewIndex = 0;
            Header.Text = PanelSelector.SelectedValue;
        }