diff --git a/src/Banquale/Banquale/App.xaml.cs b/src/Banquale/Banquale/App.xaml.cs
index 5aee24c..b1b8ce2 100644
--- a/src/Banquale/Banquale/App.xaml.cs
+++ b/src/Banquale/Banquale/App.xaml.cs
@@ -9,19 +9,23 @@ public partial class App : Application
 
 	public Manager MyManager { get; private set; } = new Manager(new Stub.Stub() /*DataContractPersistance.DataContractPersXML()*/);
 
-	
+
 
 	public App()
 	{
 
 		MyManager.DataLoad();
 		MyManager.Persistence = new DataContractPersistance.DataContractPersXML();
-        MyManager.DataSave();
+		MyManager.DataSave();
 
 		InitializeComponent();
 
 		MainPage = new AppShell();
 
-	}
+		//MyManager.SelectedTransaction = MyManager.CustomersList[0].AccountsList[0].TransactionsList[0]; 
+
+        //MainPage = new Views.TransactionsPage();
+
+    }
 
 }
diff --git a/src/Banquale/Banquale/Stub/Stub.cs b/src/Banquale/Banquale/Stub/Stub.cs
index 2f29d5f..93e6998 100644
--- a/src/Banquale/Banquale/Stub/Stub.cs
+++ b/src/Banquale/Banquale/Stub/Stub.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Diagnostics;
 using Model;
+using Org.Apache.Http.Cookies;
 
 namespace Banquale.Stub
 {
@@ -25,26 +26,32 @@ namespace Banquale.Stub
             Account Account3 = new Account(3519, "Perotte", "FR7663522541416969585847002");
 
 
-            Transaction Transaction1 = new Transaction(true, 55, Account1, 1, new DateTime(2023, 6, 21, 15, 29, 20));
-            Transaction Transaction12 = new Transaction(true, 105, Account1, 2, new DateTime(2023, 8, 17, 18, 54, 35));
-            Transaction Transaction13 = new Transaction(true, 187, Account1, 3, new DateTime(2023, 5, 3, 8, 39, 49));
+            Transaction Transaction1 = new Transaction(true, 55, Account2, 1, new DateTime(2023, 6, 21, 15, 29, 20));
+            Transaction Transaction12 = new Transaction(true, 105, Account2, 2, new DateTime(2023, 8, 17, 18, 54, 35));
+            Transaction Transaction13 = new Transaction(true, 187, Account3, 3, new DateTime(2023, 5, 3, 8, 39, 49));
             Transaction Transaction2 = new Transaction(false, 54.99, Account2, 4, new DateTime(2022, 8, 15));
             Transaction Transaction3 = new Transaction(true, 1000, Account3, 5, new DateTime(2020, 9, 1, 20, 00, 00));
 
             Debug.WriteLine(Customer1.Name, Customer1.Password);
             List<Customer> CustomersList = new List<Customer>();
-            List<Transaction> TransactionList= new List<Transaction>();
-            List<Account> AccountsList = new List<Account>();
 
+            List<Transaction> TransactionsList= new List<Transaction>();
+
+            List<Account> AccountsList = new List<Account>();
+            //Account1.TransactionsList.Add(Transaction1);
+            //Account1.TransactionsList.Add(Transaction12);
+            //Account1.TransactionsList.Add(Transaction13);
+            //Account1.TransactionsList.Add(Transaction2);
+            //Account1.TransactionsList.Add(Transaction3);
 
+            //Account2.TransactionsList.Add(Transaction2);
 
-            Account1.TransactionsList.Add(Transaction1);
-            Account1.TransactionsList.Add(Transaction12);
-            Account1.TransactionsList.Add(Transaction13);
-            Account1.TransactionsList.Add(Transaction2);
-            Account1.TransactionsList.Add(Transaction3);
+            Account1.DoTransactions(Account2, 55, true, 1);
+            Account1.DoTransactions(Account2, 105, true, 2);
+            Account1.DoTransactions(Account3, 187, true, 3);
+            Account1.DoTransactions(Account2, 54.99, false, 4);
+            Account1.DoTransactions(Account3, 1000, false, 5);
 
-            Account2.TransactionsList.Add(Transaction2);
 
             Customer1.AccountsList.Add(Account1);
             Customer1.AccountsList.Add(Account2);
diff --git a/src/Banquale/Banquale/Views/Balance/BalanceView.xaml b/src/Banquale/Banquale/Views/Balance/BalanceView.xaml
index 913bbe3..3136699 100644
--- a/src/Banquale/Banquale/Views/Balance/BalanceView.xaml
+++ b/src/Banquale/Banquale/Views/Balance/BalanceView.xaml
@@ -20,9 +20,9 @@
                             HorizontalOptions="Fill">
 
                             <Grid.GestureRecognizers>
-                                <!--<TapGestureRecognizer
+                                <TapGestureRecognizer
                                     Tapped="Transaction_Clicked"
-                                    NumberOfTapsRequired="1" />-->
+                                    NumberOfTapsRequired="1" />
 
                             </Grid.GestureRecognizers>
 
diff --git a/src/Banquale/Banquale/Views/Balance/BalanceView.xaml.cs b/src/Banquale/Banquale/Views/Balance/BalanceView.xaml.cs
index c24ef72..a1161ed 100644
--- a/src/Banquale/Banquale/Views/Balance/BalanceView.xaml.cs
+++ b/src/Banquale/Banquale/Views/Balance/BalanceView.xaml.cs
@@ -35,6 +35,8 @@ public partial class BalanceView : ContentView
 
         //Mgr.SelectedTransaction = transaction;
 
+        Mgr.SelectedTransaction = Mgr.CustomersList[0].AccountsList[0].TransactionsList[0];
+
 
         await Navigation.PushModalAsync(new TransactionsPage());
     }
diff --git a/src/Banquale/Banquale/Views/Category/CategoryPage.xaml b/src/Banquale/Banquale/Views/Category/CategoryPage.xaml
index 85100c6..1fe6a82 100644
--- a/src/Banquale/Banquale/Views/Category/CategoryPage.xaml
+++ b/src/Banquale/Banquale/Views/Category/CategoryPage.xaml
@@ -6,16 +6,7 @@
              Title="CategoryPage">
     
         <VerticalStackLayout
-            VerticalOptions="Center" >
-            <local:CategoryView />
-            <local:CategoryView />
-            <local:CategoryView />
-            <local:CategoryView />
-            <local:CategoryView />
-            <local:CategoryView />
-            <local:CategoryView />
-            <local:CategoryView />
-            <local:CategoryView />
+            VerticalOptions="Center">
             <local:CategoryView />
         </VerticalStackLayout>
 
diff --git a/src/Banquale/Banquale/Views/Category/CategoryPage.xaml.cs b/src/Banquale/Banquale/Views/Category/CategoryPage.xaml.cs
index 6cb87d0..36768c5 100644
--- a/src/Banquale/Banquale/Views/Category/CategoryPage.xaml.cs
+++ b/src/Banquale/Banquale/Views/Category/CategoryPage.xaml.cs
@@ -1,8 +1,12 @@
+using Model;
+
 namespace Banquale.Views.Category;
 
 public partial class CategoryPage : ContentPage
 {
-	public CategoryPage()
+
+    public Manager Mgr => (App.Current as App).MyManager;
+    public CategoryPage()
 	{
 		InitializeComponent();
 	}
diff --git a/src/Banquale/Banquale/Views/Category/CategoryView.xaml b/src/Banquale/Banquale/Views/Category/CategoryView.xaml
index 937491d..c75da87 100644
--- a/src/Banquale/Banquale/Views/Category/CategoryView.xaml
+++ b/src/Banquale/Banquale/Views/Category/CategoryView.xaml
@@ -5,7 +5,7 @@
     
     <VerticalStackLayout>
 
-        <ListView ItemsSource="{Binding TransactionsList}"
+        <ListView ItemsSource="{Binding CategoryList}"
                   Grid.Row="2"
                   SelectionMode="None">
 
@@ -16,7 +16,7 @@
                     <ViewCell>
 
                         <Grid
-                            ColumnDefinitions="40, 3*, *"
+                            ColumnDefinitions="*, *, *"
                             Margin="20, 5, 20, 5"
                             HorizontalOptions="Fill">
 
@@ -28,22 +28,11 @@
                             </Grid.GestureRecognizers>
 
                             <Label
-                                Text="{Binding Id}"
-                                Grid.Column="0"
-                                x:Name="transactionId"/>
-
-                            <Label
-                                Text="{Binding Date, StringFormat='{0:ddd dd MMM yyyy}'}"
+                                Text="{Binding .}"
                                 Grid.Column="1"
-                                VerticalOptions="Center"
-                                Margin="10, 0, 0, 0"/>
+                                x:Name="transactionId"/>
 
-                            <Label
-                                Text="{Binding Sum, StringFormat='{0} €'}"
-                                Grid.Column="2"
-                                VerticalOptions="Center"
-                                HorizontalOptions="End"
-                                Margin="0, 0, 20, 0"/>
+                            
 
                         </Grid>
 
diff --git a/src/Banquale/Banquale/Views/Category/CategoryView.xaml.cs b/src/Banquale/Banquale/Views/Category/CategoryView.xaml.cs
index e7559fc..c1d9d6c 100644
--- a/src/Banquale/Banquale/Views/Category/CategoryView.xaml.cs
+++ b/src/Banquale/Banquale/Views/Category/CategoryView.xaml.cs
@@ -1,9 +1,14 @@
+using Model;
+
 namespace Banquale.Views.Category;
 
 public partial class CategoryView : ContentView
 {
-	public CategoryView()
+
+    public Manager Mgr => (App.Current as App).MyManager;
+    public CategoryView()
 	{
 		InitializeComponent();
+		BindingContext = Mgr;
 	}
 }
\ No newline at end of file
diff --git a/src/Banquale/Banquale/Views/ConnectionPage.xaml.cs b/src/Banquale/Banquale/Views/ConnectionPage.xaml.cs
index 245e627..2d2f00d 100644
--- a/src/Banquale/Banquale/Views/ConnectionPage.xaml.cs
+++ b/src/Banquale/Banquale/Views/ConnectionPage.xaml.cs
@@ -22,7 +22,7 @@ public partial class ConnectionPage : ContentPage
             return;
         }
 
-        if(currentId == 0)
+        if(currentId == 0 && password == "consultant")
         {
             Mgr.IsConsultant = true;
             await Navigation.PushModalAsync(new ConsultantHomePage());
diff --git a/src/Banquale/Banquale/Views/MessageListPage.xaml b/src/Banquale/Banquale/Views/MessageListPage.xaml
index e8614c1..a3b2c09 100644
--- a/src/Banquale/Banquale/Views/MessageListPage.xaml
+++ b/src/Banquale/Banquale/Views/MessageListPage.xaml
@@ -3,20 +3,19 @@
              xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
              x:Class="Banquale.Views.MessageListPage"
              Title="MessageListPage"
-             Shell.NavBarIsVisible="False">
+             Shell.NavBarIsVisible="True">
 
     <VerticalStackLayout>
 
-        <Label
-                                    Text="{Binding MessagesList[0].Subject}"
-                                    Grid.Column="1"
-                                    VerticalOptions="Center"
-                                    Margin="10, 0, 0, 0"
-                                BackgroundColor="Red"/>
+        <!--<Label
+            Text="rzklpkrz,e"
+            Grid.Column="1"
+            VerticalOptions="Center"
+            Margin="10, 0, 0, 0"
+            BackgroundColor="Red"/>-->
 
-        <!--<Label Text="{Binding }" />-->
 
-        <!--<ListView ItemsSource="{Binding Consultant}"
+        <ListView ItemsSource="{Binding Consultant.MessagesList}"
                   SelectionMode="None">
 
             <ListView.ItemTemplate>
@@ -25,17 +24,17 @@
 
                     <ViewCell>
 
-
-                       
-                            
+                        <Grid ColumnDefinitions="*, *, *">
                             
                             <Label
-                                    Text="Hello"
-                                    VerticalOptions="Center"
-                                    Margin="10, 0, 0, 0"/>
-                            
+                                Text="{Binding Subject}"
+                                Grid.Column="0"/>
 
+                            <Label
+                                Text="{Binding Description}"
+                                Grid.Column="2"/>
                         
+                        </Grid>
 
                     </ViewCell>
 
@@ -43,7 +42,7 @@
 
             </ListView.ItemTemplate>
 
-        </ListView>-->
+        </ListView>
 
     </VerticalStackLayout>
 </ContentPage>
diff --git a/src/Banquale/Banquale/Views/MessageListPage.xaml.cs b/src/Banquale/Banquale/Views/MessageListPage.xaml.cs
index 3bfe313..546ef41 100644
--- a/src/Banquale/Banquale/Views/MessageListPage.xaml.cs
+++ b/src/Banquale/Banquale/Views/MessageListPage.xaml.cs
@@ -12,6 +12,6 @@ public partial class MessageListPage : ContentPage
 	{
         Debug.WriteLine(Mgr.Consultant.MessagesList[0].Subject);
 		InitializeComponent();
-        BindingContext = Mgr.Consultant;
+        BindingContext = Mgr;
     }
 }
diff --git a/src/Banquale/Model/Account.cs b/src/Banquale/Model/Account.cs
index 3649cd0..a0cdaae 100644
--- a/src/Banquale/Model/Account.cs
+++ b/src/Banquale/Model/Account.cs
@@ -118,7 +118,7 @@ namespace Model
         /// <param name="sum">Somme de la transaction.</param>
         /// <param name="type">Type de transaction (débit ou crédit).</param>
         /// <param name="nb">Numéro de la transaction.</param>
-        public void DoTransactions(Account involvedAccount, Double sum, bool type, int nb)
+        public void DoTransactions(Account involvedAccount, double sum, bool type, int nb)
         {
             if (type) // si le type est True => c'est un débit, on doit donc ajouter la transaction pour l'autre compte
             {
diff --git a/src/Banquale/Model/Manager.cs b/src/Banquale/Model/Manager.cs
index af8856b..6061395 100644
--- a/src/Banquale/Model/Manager.cs
+++ b/src/Banquale/Model/Manager.cs
@@ -4,6 +4,7 @@
 
 using System;
 using System.Collections.Generic;
+using System.Collections.ObjectModel;
 using System.ComponentModel;
 using System.Runtime.CompilerServices;
 using System.Runtime.Serialization;
@@ -27,7 +28,7 @@ namespace Model
         [DataMember]
         public List<Customer> CustomersList { get; private set; } // devient un set
 
-        public List<string> CategoryList { get; private set; } = new List<string> {"Automobile", "Santé", "Abonnement", "Logement", "Impôts et taxes", "Courses", "Loisirs et sorties", "Enfant(s)"};
+        public ObservableCollection<string> CategoryList { get; private set; } = new ObservableCollection<string> {"Automobile", "Santé", "Abonnement", "Logement", "Impôts et taxes", "Courses", "Loisirs et sorties", "Enfant(s)"};
 
         /// <summary>
         /// Consultant assigné au gestionnaire.
diff --git a/src/Banquale/Model/Message.cs b/src/Banquale/Model/Message.cs
index 44133dd..205a296 100644
--- a/src/Banquale/Model/Message.cs
+++ b/src/Banquale/Model/Message.cs
@@ -3,6 +3,8 @@
 /// \author Votre nom
 
 using System;
+using System.ComponentModel;
+using System.Runtime.CompilerServices;
 using System.Runtime.Serialization;
 
 namespace Model
@@ -11,20 +13,49 @@ namespace Model
     /// Classe représentant un message.
     /// </summary>
     [DataContract]
-    public class Message
+    public class Message : INotifyPropertyChanged
     {
+
+        public event PropertyChangedEventHandler? PropertyChanged;
+
+        void OnPropertyChanged([CallerMemberName] string? propertyName = null)
+                => PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
+
         /// <summary>
         /// Sujet du message.
         /// </summary>
         [DataMember]
-        public string Subject { get; private set; }
+        public string Subject 
+        { 
+            get => subject;
+            set
+            {
+                if (subject == value) return;
+                subject = value;
+                OnPropertyChanged();
+            }
+        }
+
+        private string subject;
+
+        
 
         /// <summary>
         /// Description du message.
         /// </summary>
         [DataMember]
-        public string Description { get; private set; }
+        public string Description 
+        { 
+            get => description;
+            set
+            {
+                if (description == value) return;
+                description = value; 
+                OnPropertyChanged();
+            } 
+        }
 
+        private string description;
         /// <summary>
         /// Constructeur de la classe Message.
         /// </summary>
diff --git a/src/Banquale/Model/Transaction.cs b/src/Banquale/Model/Transaction.cs
index c68e10a..27d1ff6 100644
--- a/src/Banquale/Model/Transaction.cs
+++ b/src/Banquale/Model/Transaction.cs
@@ -12,7 +12,7 @@ namespace Model
         /// <summary>
         /// Occurs when a property value changes.
         /// </summary>
-        public event PropertyChangedEventHandler PropertyChanged;
+        public event PropertyChangedEventHandler? PropertyChanged;
 
         void OnPropertyChanged(string propertyName)
         {
@@ -65,7 +65,7 @@ namespace Model
         /// Gets or sets the account(s) involved in the transaction.
         /// </summary>
         [DataMember(Order = 4)]
-        public Account InvolvedAccounts
+        public Account? InvolvedAccounts
         {
             get => involvedAccounts;
             set
@@ -77,13 +77,13 @@ namespace Model
             }
         }
         [DataMember]
-        private Account involvedAccounts;
+        private Account? involvedAccounts;
 
         /// <summary>
         /// Gets or sets the category of the transaction.
         /// </summary>
         [DataMember(Order = 5)]
-        public string Category
+        public string? Category
         {
             get => category;
             set
@@ -125,6 +125,7 @@ namespace Model
         /// <param name="date">The date of the transaction.</param>
         public Transaction(bool type, double sum, Account involvedAccounts, int id, DateTime date)
         {
+            Category = null;
             Type = type;
             Sum = sum;
             Id = id;