private void DashboardMenu_Click(object sender, RoutedEventArgs e)
        {
            if (Grd_MainView.Children.Count > 0)
            {
                Grd_MainView.Children.RemoveAt(0);
            }
            UserControl.Dashboard C_Dashboard = new UserControl.Dashboard();

            Grd_MainView.Children.Add(C_Dashboard);
        }
 private void Window_Loaded(object sender, RoutedEventArgs e)
 {
     UserControl.Dashboard C_Dashboard = new UserControl.Dashboard();
     Grd_MainView.Children.Add(C_Dashboard);
 }