diff --git a/Database.cs b/Database.cs
new file mode 100644
index 0000000..d37bc3a
--- /dev/null
+++ b/Database.cs
@@ -0,0 +1,26 @@
+using HegreHotel.Models;
+using SQLite;
+
+namespace HegreHotel;
+
+public class Database
+{
+    private static SQLiteAsyncConnection _database;
+
+    public static async Task<SQLiteAsyncConnection> GetConnection()
+    {
+        if (_database == null)
+        {
+            var databasePath = Path.Combine(FileSystem.AppDataDirectory, "HegreHotel.db");
+            _database = new SQLiteAsyncConnection(databasePath);
+
+            // Créer les tables
+            await _database.CreateTableAsync<Client>();
+            await _database.CreateTableAsync<Chambre>();
+            await _database.CreateTableAsync<Reservation>();
+            await _database.CreateTableAsync<Status>();
+        }
+
+        return _database;
+    }
+}
diff --git a/HegreHotel.csproj b/HegreHotel.csproj
index c50628a..cf89031 100644
--- a/HegreHotel.csproj
+++ b/HegreHotel.csproj
@@ -57,9 +57,13 @@
     </ItemGroup>
 
     <ItemGroup>
+        <PackageReference Include="EntityFramework" Version="6.5.1" />
+        <PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.1" />
+        <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="9.0.1" />
         <PackageReference Include="Microsoft.Maui.Controls" Version="$(MauiVersion)"/>
         <PackageReference Include="Microsoft.Maui.Controls.Compatibility" Version="$(MauiVersion)"/>
         <PackageReference Include="Microsoft.Extensions.Logging.Debug" Version="8.0.0"/>
+        <PackageReference Include="sqlite-net-pcl" Version="1.9.172" />
     </ItemGroup>
 
 </Project>
diff --git a/Models/Chambre.cs b/Models/Chambre.cs
new file mode 100644
index 0000000..94f8b89
--- /dev/null
+++ b/Models/Chambre.cs
@@ -0,0 +1,18 @@
+namespace HegreHotel.Models;
+
+using SQLite;
+
+public class Chambre
+{
+    [PrimaryKey, AutoIncrement]
+    public int Id { get; set; }
+
+    [MaxLength(50)]
+    public string? Nom { get; set; }
+
+    public string? Description { get; set; }
+
+    public decimal Tarif { get; set; }
+
+    public int NombrePersonnes { get; set; }
+}
diff --git a/Models/Client.cs b/Models/Client.cs
new file mode 100644
index 0000000..c4c343a
--- /dev/null
+++ b/Models/Client.cs
@@ -0,0 +1,21 @@
+namespace HegreHotel.Models;
+
+using SQLite;
+
+public class Client
+{
+    [PrimaryKey, AutoIncrement]
+    public int Id { get; set; }
+
+    [MaxLength(100)]
+    public string? Nom { get; set; }
+
+    [MaxLength(100)]
+    public string? Prenom { get; set; }
+
+    [MaxLength(150), Unique]
+    public string? Email { get; set; }
+
+    [MaxLength(15), Unique]
+    public string? Telephone { get; set; }
+}
\ No newline at end of file
diff --git a/Models/Reservation.cs b/Models/Reservation.cs
new file mode 100644
index 0000000..444b0ba
--- /dev/null
+++ b/Models/Reservation.cs
@@ -0,0 +1,29 @@
+namespace HegreHotel.Models;
+
+using SQLite;
+
+public class Reservation
+{
+    [PrimaryKey, AutoIncrement]
+    public int Id { get; set; }
+
+    public DateTime DateDebut { get; set; }
+
+    public DateTime DateFin { get; set; }
+
+    public string? Demandes { get; set; }
+
+    // Navigation properties (ignorées dans SQLite)
+    
+    [Indexed]
+    public int ClientId { get; set; }
+
+    [Indexed]
+    public int ChambreId { get; set; }
+    
+    [Ignore]
+    public Client Client { get; set; }
+
+    [Ignore]
+    public Chambre Chambre { get; set; }
+}
diff --git a/Models/Status.cs b/Models/Status.cs
new file mode 100644
index 0000000..89cc79d
--- /dev/null
+++ b/Models/Status.cs
@@ -0,0 +1,12 @@
+namespace HegreHotel.Models;
+
+using SQLite;
+
+public class Status
+{
+    [PrimaryKey, AutoIncrement]
+    public int Id { get; set; }
+
+    [MaxLength(50), Unique]
+    public string? Libelle { get; set; }
+}
diff --git a/Services/ClientService.cs b/Services/ClientService.cs
new file mode 100644
index 0000000..8df7f8b
--- /dev/null
+++ b/Services/ClientService.cs
@@ -0,0 +1,36 @@
+using SQLite;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using HegreHotel;
+using HegreHotel.Models;
+
+public class ClientService
+{
+    // Ajouter un client
+    public static async Task AjouterClient(Client client)
+    {
+        var db = await Database.GetConnection();
+        await db.InsertAsync(client);
+    }
+
+    // Récupérer tous les clients
+    public static async Task<List<Client>> GetClientsAsync()
+    {
+        var db = await Database.GetConnection();
+        return await db.Table<Client>().ToListAsync();
+    }
+
+    // Modifier un client
+    public static async Task ModifierClient(Client client)
+    {
+        var db = await Database.GetConnection();
+        await db.UpdateAsync(client);
+    }
+
+    // Supprimer un client
+    public static async Task SupprimerClient(Client client)
+    {
+        var db = await Database.GetConnection();
+        await db.DeleteAsync(client);
+    }
+}
\ No newline at end of file
diff --git a/Views/ClientsPage.xaml b/Views/ClientsPage.xaml
new file mode 100644
index 0000000..08938cb
--- /dev/null
+++ b/Views/ClientsPage.xaml
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+
+<ContentPage xmlns="http://schemas.microsoft.com/dotnet/2021/maui"
+             xmlns:x="http://schemas.microsoft.com/winfx/2009/xaml"
+             x:Class="HegreHotel.Views.ClientsPage"
+             Title="Clients">
+
+    <StackLayout>
+        <Button Text="Ajouter un Client" Clicked="OnAjouterClientClicked" />
+        <CollectionView x:Name="ClientsList">
+            <CollectionView.ItemTemplate>
+                <DataTemplate>
+                    <Label Text="{Binding Nom}" />
+                </DataTemplate>
+            </CollectionView.ItemTemplate>
+        </CollectionView>
+    </StackLayout>
+</ContentPage>
\ No newline at end of file
diff --git a/Views/ClientsPage.xaml.cs b/Views/ClientsPage.xaml.cs
new file mode 100644
index 0000000..f555f3f
--- /dev/null
+++ b/Views/ClientsPage.xaml.cs
@@ -0,0 +1,37 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using HegreHotel.Models;
+
+namespace HegreHotel.Views;
+
+public partial class ClientsPage : ContentPage
+{
+    public ClientsPage()
+    {
+        InitializeComponent();
+        ChargerClients();
+    }
+    
+    private async void ChargerClients()
+    {
+        var clients = await ClientService.GetClientsAsync();
+        ClientsList.ItemsSource = clients;
+    }
+
+    private async void OnAjouterClientClicked(object sender, EventArgs e)
+    {
+        var nouveauClient = new Client
+        {
+            Nom = "Dupont",
+            Prenom = "Jean",
+            Email = "jean.dupont@example.com",
+            Telephone = "0123456789"
+        };
+
+        await ClientService.AjouterClient(nouveauClient);
+        ChargerClients();
+    }
+}