diff --git a/ParionsCuite/ParionsCuite/DataContractPersistance/DataContractPersistance.cs b/ParionsCuite/ParionsCuite/DataContractPersistance/DataContractPersistance.cs
index 9d2cd56..e3d3d6f 100644
--- a/ParionsCuite/ParionsCuite/DataContractPersistance/DataContractPersistance.cs
+++ b/ParionsCuite/ParionsCuite/DataContractPersistance/DataContractPersistance.cs
@@ -5,6 +5,7 @@ using System.IO;
 using System.Collections.Generic;
 using System.Diagnostics;
 using ParionsCuite.Modeles;
+using System.Collections.ObjectModel;
 
 namespace ParionsCuite.DataContractPersistance
 {
@@ -16,22 +17,22 @@ namespace ParionsCuite.DataContractPersistance
 
         public DataContractPersistance() { }
 
-        public List<Evenement> chargeDonnees()
+        public ObservableCollection<Evenement> chargeDonnees()
         {
-            var serializer = new DataContractSerializer(typeof(List<Evenement>));
+            var serializer = new DataContractSerializer(typeof(ObservableCollection<Evenement>));
 
-            List<Evenement> list;
+            ObservableCollection<Evenement> list;
             using (Stream s = File.OpenRead(Path.Combine(FilePath, FileName)))
             {
-                list = serializer.ReadObject(s) as List<Evenement>;
+                list = serializer.ReadObject(s) as ObservableCollection<Evenement>;
             }
             return list;
         }
 
 
-        public void sauvegardeDonnees(List<Evenement> evenements)
+        public void sauvegardeDonnees(ObservableCollection<Evenement> evenements)
         {
-            var serializer = new DataContractSerializer(typeof(List<Evenement>));
+            var serializer = new DataContractSerializer(typeof(ObservableCollection<Evenement>));
             if (!Directory.Exists(FilePath))
             {
                 Debug.WriteLine("Sauvegarde des données dans:");
diff --git a/ParionsCuite/ParionsCuite/MainPage.xaml b/ParionsCuite/ParionsCuite/MainPage.xaml
index 7138116..b1e5b71 100644
--- a/ParionsCuite/ParionsCuite/MainPage.xaml
+++ b/ParionsCuite/ParionsCuite/MainPage.xaml
@@ -26,20 +26,25 @@
                 
 
 
-                    <!-- Première colonne -->
-                <Grid Grid.Column="0" BackgroundColor="LightGray" x:Name="GridMenu">
-                   <StackLayout>
-                        <Button Text="Groupe 1"
-                                VerticalOptions="Center"
-                                HorizontalOptions="Center"/>
 
-                        <Button Text="+"
-                                VerticalOptions="Center"
-                                HorizontalOptions="Center" Clicked="Button_Clicked"/>
-                   </StackLayout>
-                </Grid>
 
-                    <!-- Deuxième colonne -->
+                <!-- Première colonne -->
+                <ScrollView Grid.Column="0" BackgroundColor="LightGrey">
+                    <StackLayout x:Name="ButtonStackLayout">
+                        <Button Text="test"
+                VerticalOptions="Center"
+                HorizontalOptions="Center"/>
+                        <Button Text="test"
+                VerticalOptions="Center"
+                HorizontalOptions="Center"/>
+                        <Button Text="test"
+                VerticalOptions="Center"
+                HorizontalOptions="Center"/>
+                    </StackLayout>
+                </ScrollView>
+
+
+                <!-- Deuxième colonne -->
                 <Grid Grid.Column="1">
                         <!-- Création de 2 lignes -->
                     <Grid.RowDefinitions>
diff --git a/ParionsCuite/ParionsCuite/MainPage.xaml.cs b/ParionsCuite/ParionsCuite/MainPage.xaml.cs
index 6d73c45..2308431 100644
--- a/ParionsCuite/ParionsCuite/MainPage.xaml.cs
+++ b/ParionsCuite/ParionsCuite/MainPage.xaml.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Collections.ObjectModel;
 using Microsoft.Maui.Controls;
 using Microsoft.Maui.Platform;
 using Microsoft.VisualBasic;
@@ -11,11 +12,11 @@ namespace ParionsCuite;
 
 public partial class MainPage : ContentPage
 {
-
-	public MainPage()
+    public MainPage()
 	{
         InitializeComponent();
-	}
+        this.BindingContext = this;
+    }
 
 
     public void VueInfo(object sender, EventArgs e)
diff --git a/ParionsCuite/ParionsCuite/Modeles/Evenement.cs b/ParionsCuite/ParionsCuite/Modeles/Evenement.cs
index f637acd..85080e5 100644
--- a/ParionsCuite/ParionsCuite/Modeles/Evenement.cs
+++ b/ParionsCuite/ParionsCuite/Modeles/Evenement.cs
@@ -15,13 +15,12 @@ namespace ParionsCuite.Modeles
         [DataMember]
         public string Nom { get; private set; }
         [DataMember]
-        public DateTime Date { get; private set; }
+        public string Date { get; private set; }
         [DataMember]
         public string Lieu { get; private set; }
         [DataMember]
-        public int Heure { get; private set; }
-        [DataMember]
-        public int Minute { get; private set; }
+        public string Heure { get; private set; }
+
         [DataMember]
         public Participation Participation { get; private set; }
         [DataMember]
@@ -31,23 +30,21 @@ namespace ParionsCuite.Modeles
 
         /* Constructeur */
 
-        public Evenement(string nom, DateTime date, string lieu, int heure, int minute)
+        public Evenement(string nom, string date, string lieu, string heure)
         {
             Nom = nom;
             Date = date;
             Lieu = lieu;
             Heure = heure;
-            Minute = minute;
             ListInviter = new List<Inviter>();
             ListParier = new List<Parier>();
         }
-        public Evenement(string nom, DateTime date, string lieu, int heure, int minute, Participation participation)
+        public Evenement(string nom, string date, string lieu, string heure, Participation participation)
         {
             Nom = nom;
             Date = date;
             Lieu = lieu;
             Heure = heure;
-            Minute = minute;
             Participation = participation;
             ListInviter = new List<Inviter>();
             ListParier = new List<Parier>();
@@ -108,13 +105,12 @@ namespace ParionsCuite.Modeles
         }
 
             /* Setter */
-        public void SetEvenement(string nom, DateTime date, string lieu, int heure, int minute)
+        public void SetEvenement(string nom, string date, string lieu, string heure)
         {
             Nom = nom;
             Date = date;
             Lieu = lieu;
             Heure = heure;
-            Minute = minute;
             return;
         }
 
diff --git a/ParionsCuite/ParionsCuite/Modeles/IPersistanceManager.cs b/ParionsCuite/ParionsCuite/Modeles/IPersistanceManager.cs
index e128054..5e6d6a3 100644
--- a/ParionsCuite/ParionsCuite/Modeles/IPersistanceManager.cs
+++ b/ParionsCuite/ParionsCuite/Modeles/IPersistanceManager.cs
@@ -1,12 +1,13 @@
 using System;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
 
 namespace ParionsCuite.Modeles
 {
     public interface IPersistanceManager
     {
-        public List<Evenement> chargeDonnees();
-        public void sauvegardeDonnees(List<Evenement> evenements);
+        public ObservableCollection<Evenement> chargeDonnees();
+        public void sauvegardeDonnees(ObservableCollection<Evenement> evenements);
     }
 }
 
diff --git a/ParionsCuite/ParionsCuite/Modeles/Manageur.cs b/ParionsCuite/ParionsCuite/Modeles/Manageur.cs
index 6c409e4..fbe4718 100644
--- a/ParionsCuite/ParionsCuite/Modeles/Manageur.cs
+++ b/ParionsCuite/ParionsCuite/Modeles/Manageur.cs
@@ -13,26 +13,26 @@ namespace ParionsCuite.Modeles
     {
         public event PropertyChangedEventHandler PropertyChanged;
 
-        public List<Evenement> Evenement { get; private set; }
+        public ObservableCollection<Evenement> Evenement { get; private set; }
         public List<Inviter> Invites { get;  set; }
 
         public IPersistanceManager Persistance { get; set; }
 
         public Manageur(IPersistanceManager Pers) {
             Invites = new List<Inviter>();
-            Evenement = new List<Evenement>();
+            Evenement = new ObservableCollection<Evenement>();
             Persistance = Pers;
         }
 
         public Manageur() 
         {
-            Evenement = new List<Evenement>();
+            Evenement = new ObservableCollection<Evenement>();
             Invites = new List<Inviter>();
         }
 
-        public Manageur(List<Evenement> evenements)
+        public Manageur(ObservableCollection<Evenement> evenements)
         {
-            Evenement = evenements.ToList();
+            Evenement = evenements;
         }
 
         public bool Ajout_evenement(Evenement ev)
@@ -81,7 +81,10 @@ namespace ParionsCuite.Modeles
         public void Charge_Donnee()
         {
             var donnees = Persistance.chargeDonnees();
-            this.Evenement.AddRange(donnees);
+            foreach (var donnee in donnees)
+            {
+                Evenement.Add(donnee);
+            }
 
         }
 
diff --git a/ParionsCuite/ParionsCuite/Stub/Stub.cs b/ParionsCuite/ParionsCuite/Stub/Stub.cs
index 759689f..e89b1c1 100644
--- a/ParionsCuite/ParionsCuite/Stub/Stub.cs
+++ b/ParionsCuite/ParionsCuite/Stub/Stub.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using ParionsCuite.Modeles;
 namespace ParionsCuite.Stub;
 
@@ -9,9 +10,9 @@ public class Stub : IPersistanceManager
     {
     }
 
-    public List<Evenement> chargeDonnees()
+    public ObservableCollection<Evenement> chargeDonnees()
     {
-        List<Evenement> lisEvent = new List<Evenement>();
+        ObservableCollection<Evenement> lisEvent = new ObservableCollection<Evenement>();
         List<Boisson> boissons = new List<Boisson>();
         List<Nourriture> nourritures = new List<Nourriture>();
         List<Autre> autres = new List<Autre>();
@@ -23,12 +24,12 @@ public class Stub : IPersistanceManager
         autres.Add(a);
         Participation p = new(boissons,nourritures, autres);
         DateTime dt = new(2018, 7, 24);
-        Evenement e = new ("nom", dt, "lieu", 12, 30, p);
+        Evenement e = new ("nom", "dt", "lieu", "12", p);
         lisEvent.Add(e);
         return lisEvent;
     }
 
-    public void sauvegardeDonnees(List<Evenement> evenements)
+    public void sauvegardeDonnees(ObservableCollection<Evenement> evenements)
     {
         throw new NotImplementedException();
     }
diff --git a/ParionsCuite/ParionsCuite/Views/Groupe.xaml.cs b/ParionsCuite/ParionsCuite/Views/Groupe.xaml.cs
index ea1aa4b..1a988f0 100644
--- a/ParionsCuite/ParionsCuite/Views/Groupe.xaml.cs
+++ b/ParionsCuite/ParionsCuite/Views/Groupe.xaml.cs
@@ -8,7 +8,7 @@ namespace ParionsCuite.Views;
 public partial class Groupe : ContentView
 {
     public Manageur mgr = new Manageur();
-    public List<Evenement> Evenements { get; set; } = new List<Evenement>();
+    public ObservableCollection<Evenement> Evenements { get; set; } = new ObservableCollection<Evenement>();
 
     public Groupe()
     {
diff --git a/ParionsCuite/ParionsCuite/Views/Information/Info.xaml.cs b/ParionsCuite/ParionsCuite/Views/Information/Info.xaml.cs
index 68db70d..fe41faf 100644
--- a/ParionsCuite/ParionsCuite/Views/Information/Info.xaml.cs
+++ b/ParionsCuite/ParionsCuite/Views/Information/Info.xaml.cs
@@ -5,7 +5,9 @@ namespace ParionsCuite.Views.Information;
 
 public partial class Info : ContentView
 {
-	public Info()
+    public Manageur mgr => (App.Current as App).MyManager;
+
+    public Info()
 	{
 		InitializeComponent();
 		MiseAJourInfo();
diff --git a/ParionsCuite/ParionsCuite/Views/Invite/Inviter.xaml b/ParionsCuite/ParionsCuite/Views/Invite/Inviter.xaml
index 4947384..be8e91c 100644
--- a/ParionsCuite/ParionsCuite/Views/Invite/Inviter.xaml
+++ b/ParionsCuite/ParionsCuite/Views/Invite/Inviter.xaml
@@ -5,7 +5,7 @@
              x:Class="ParionsCuite.Views.Invite.Inviter">
     <VerticalStackLayout >
         <!--Grid Pincipale-->
-        <Grid ColumnDefinitions="8*,*,10*">
+        <Grid ColumnDefinitions="8*,*,10*" x:Name="gridInvite">
 
             <!--Input des noms et prenoms-->
             <StackLayout Grid.Column="0" >
diff --git a/ParionsCuite/ParionsCuite/Views/Invite/Inviter.xaml.cs b/ParionsCuite/ParionsCuite/Views/Invite/Inviter.xaml.cs
index be52216..4cfd0af 100644
--- a/ParionsCuite/ParionsCuite/Views/Invite/Inviter.xaml.cs
+++ b/ParionsCuite/ParionsCuite/Views/Invite/Inviter.xaml.cs
@@ -5,7 +5,7 @@ namespace ParionsCuite.Views.Invite;
 
 public partial class Inviter : ContentView
 {
-    public Manageur m = new Manageur();
+    public Manageur mgr => (App.Current as App).MyManager;
 
     public Modeles.Inviter Inviters { get; private set; }  = new Modeles.Inviter();
     public Inviter()
@@ -21,7 +21,7 @@ public partial class Inviter : ContentView
     public void restoreListInvite()
     {
         
-        List<Modeles.Inviter> listInvite = m.ReturnListInvite();
+        List<Modeles.Inviter> listInvite = mgr.ReturnListInvite();
         Debug.WriteLine(listInvite);
         int len = listInvite.Count;
         foreach (Modeles.Inviter inviter in listInvite) {
@@ -63,10 +63,11 @@ public partial class Inviter : ContentView
         string prenom = prenomEditor.Text;
         if (nom == null || prenom == null) { return; }
         Modeles.Inviter invite1 = new Modeles.Inviter(nom, prenom);
-        List<Modeles.Inviter> invites = m.AddInvite(invite1);
-        int len = 1;//m.LenListInvite(invites);
+        List<Modeles.Inviter> invites = mgr.AddInvite(invite1);
+
+        int len = 1;
         //if (len == 0 ) { len = 1; }
-        Debug.WriteLine("LA taille de la liste est de " + m.LenListInvite(invites));
+        Debug.WriteLine("LA taille de la liste est de " + mgr.LenListInvite(invites));
         foreach (Modeles.Inviter inviter in invites)
         {
             RowDefinition row = new RowDefinition();
@@ -98,7 +99,7 @@ public partial class Inviter : ContentView
             GrilleInvite.Children.Add(buttonMoins );
             //GrilleInvite.HeightRequest = Height + 2;
 
-            len++;
+            len = len +1 ;
         }
     }
 
@@ -141,12 +142,12 @@ public partial class Inviter : ContentView
                 string nom = nomLabel.Text;
 
                 // Rechercher l'invité correspondant dans la liste
-                Modeles.Inviter inviter = m.ReturnListInvite().FirstOrDefault(i => i.Prenom == prenom && i.Nom == nom);
+                Modeles.Inviter inviter = mgr.ReturnListInvite().FirstOrDefault(i => i.Prenom == prenom && i.Nom == nom);
 
                 if (inviter != null)
                 {
                     // Supprimer l'invité de la liste
-                    m.RemoveInviter(inviter);
+                    mgr.RemoveInviter(inviter);
 
                     // Supprimer les éléments de la ligne de la grille
                     parentGrid.Children.Remove(prenomLabel);