diff --git a/ParionsCuite/ParionsCuite/DataContractPersistance/DataToPersists.cs b/ParionsCuite/ParionsCuite/DataContractPersistance/DataToPersists.cs
index ea73dac..b5215cd 100644
--- a/ParionsCuite/ParionsCuite/DataContractPersistance/DataToPersists.cs
+++ b/ParionsCuite/ParionsCuite/DataContractPersistance/DataToPersists.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using System.Linq;
 using System.Text;
 using System.Threading.Tasks;
@@ -9,6 +10,6 @@ namespace ParionsCuite.DataContractPersistance
 {
     public class DataToPersists
     {
-        public List<Evenement> e = new();
+        public ObservableCollection<Evenement> e = new();
     }
 }
diff --git a/ParionsCuite/ParionsCuite/MainPage.xaml.cs b/ParionsCuite/ParionsCuite/MainPage.xaml.cs
index 1d023bf..1267a73 100644
--- a/ParionsCuite/ParionsCuite/MainPage.xaml.cs
+++ b/ParionsCuite/ParionsCuite/MainPage.xaml.cs
@@ -24,7 +24,6 @@ public partial class MainPage : ContentPage
         mgr.EvenementAdded += OnEvenementAdded;
         ObservableCollection<Evenement> EventCharge = mgr.Charge_Donnee();
         restoreEvent(EventCharge );
-
     }
 
     private void restoreEvent(ObservableCollection<Evenement> EventCharge)
@@ -49,8 +48,12 @@ public partial class MainPage : ContentPage
 
             // Ajout du bouton au ButtonStackLayout
             ButtonStackLayout.Children.Add(newButton); ;
-            mgr.Save_Data();
         }
+        mgr.Evenement = EventCharge;
+        Debug.WriteLine("Taille Event " + mgr.Evenement.Count());
+
+        //mgr.Save_Data();
+
     }
     private void OnEvenementAdded(Evenement evenement)
     {
@@ -74,6 +77,8 @@ public partial class MainPage : ContentPage
 
         // Ajout du bouton au ButtonStackLayout
         ButtonStackLayout.Children.Add(newButton); ;
+        Debug.WriteLine("Taille Event " + mgr.Evenement.Count());
+        Debug.WriteLine(mgr.Evenement);
         mgr.Save_Data();
     }
     public void SelectEvent(Evenement evenement)
diff --git a/ParionsCuite/ParionsCuite/Views/Groupe.xaml.cs b/ParionsCuite/ParionsCuite/Views/Groupe.xaml.cs
index 4c664d4..ca7fb48 100644
--- a/ParionsCuite/ParionsCuite/Views/Groupe.xaml.cs
+++ b/ParionsCuite/ParionsCuite/Views/Groupe.xaml.cs
@@ -26,7 +26,6 @@ public partial class Groupe : ContentView
             var newEvent = new Evenement(nomEvent, dateEvent, lieuEvent, heureEvent);
 
             mgr.Ajout_evenement(newEvent);
-            Evenements.Add(newEvent);
 
             nomE.Text = "";
             dateE.Text = "";