AppSAV/MauiApp1/AppShell.xaml.cs

using MauiApp1.Views;

namespace MauiApp1;

public partial class AppShell : Shell
{
    public AppShell()
    {
        InitializeComponent();
        
        // Enregistrement des routes
        Routing.RegisterRoute("fournisseurpage", typeof(FournisseurPage));
    }
}