private void BtnAction_Click(object sender, RoutedEventArgs e)
        {
            Button btn = sender as Button;

            switch (btn.Content)
            {
            case "Registrar marca":
                Solutec.Views.new_brand nb = new Solutec.Views.new_brand(this);
                secondary_frame.NavigationService.Navigate(nb);
                break;

            case "Registrar usuario":
                Solutec.Views.new_user newUser = new Solutec.Views.new_user(this);
                secondary_frame.NavigationService.Navigate(newUser);
                break;

            case "Registrar cliente":
                Solutec.Views.new_customer newCustomer = new Solutec.Views.new_customer(this);
                secondary_frame.NavigationService.Navigate(newCustomer);
                break;

            case "Registrar servicio":
                Solutec.Views.new_service newService = new Views.new_service(this);
                secondary_frame.NavigationService.Navigate(newService);
                break;
            }
        }
 public void brandSelected(Solutec.Models.brands brand)
 {
     Solutec.Views.new_brand nb = new Solutec.Views.new_brand(this, brand);
     secondary_frame.NavigationService.Navigate(nb);
 }