diff --git a/Persistance/DataContractPersistance.cs b/Persistance/DataContractPersistance.cs
index 8b5d786..9a86246 100644
--- a/Persistance/DataContractPersistance.cs
+++ b/Persistance/DataContractPersistance.cs
@@ -1,7 +1,9 @@
 using Modèle;
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
+using System.Runtime.Serialization;
 using System.Text;
 using System.Threading.Tasks;
 
@@ -9,10 +11,48 @@ namespace Persistance
 {
     public class DataContractPersistance : IPersistanceManager
     {
+        public DataContractSerializer Serializer { get; set; }
+            = new DataContractSerializer(typeof(List<Requin>));
+
+        string FilePath { get; set; } = Path.Combine(Directory.GetCurrentDirectory(), "..//..//Persistance");
+        string FileName { get; set; }
+
+        string Filepers => Path.Combine(FilePath, FileName);
+
+        List<Requin> requins = new List<Requin>();
+
+
         public List<Requin> LoadRequins()
         {
-            throw new NotImplementedException();
+            if (File.Exists(Filepers))
+            {
+                throw new FileNotFoundException("The persisance file Persisitance does not exist");
+            }
+
+            using (Stream stream = File.OpenRead(Filepers))
+            {
+                requins = Serializer.ReadObject(stream) as List<Requin>;
+            }
+
+            return requins;
         }
+        public void SaveRequins(List<Requin> reqs)
+        {
+            if (!Directory.Exists(FilePath))
+            {
+                Directory.CreateDirectory(FilePath);
+            }
+
+            using (Stream stream = File.Create(Filepers))
+            {
+                Serializer.WriteObject(stream, requins);
+            }
+        }
+
+
+
+
+
 
         public List<Requin> LoadRequinsAdd()
         {
@@ -29,10 +69,6 @@ namespace Persistance
             throw new NotImplementedException();
         }
 
-        public void SaveRequins(List<Requin> reqs)
-        {
-            throw new NotImplementedException();
-        }
 
         public void SaveRequinsAdd(List<Requin> reqs)
         {
diff --git a/WpfApp1/App.xaml.cs b/WpfApp1/App.xaml.cs
index 9f6b386..20aa0a4 100644
--- a/WpfApp1/App.xaml.cs
+++ b/WpfApp1/App.xaml.cs
@@ -15,6 +15,7 @@ namespace WpfApp1
     /// </summary>
     public partial class App : Application
     {
+        public IPersistanceManager strat = new DataContractPersistance();
         public Manager LeManager { get; private set; } = new Manager(new StubLib.Stub());
         public ManagerUsers LeManagerUser { get; private set; } = new ManagerUsers(new StubLib.Stub());
 
diff --git a/WpfApp1/WpfApp1.csproj b/WpfApp1/WpfApp1.csproj
index b09de9f..45d9a05 100644
--- a/WpfApp1/WpfApp1.csproj
+++ b/WpfApp1/WpfApp1.csproj
@@ -131,4 +131,8 @@
     <Resource Include="Images\Logo_entier.png" />
   </ItemGroup>
 
+  <ItemGroup>
+    <Folder Include="Persistance\" />
+  </ItemGroup>
+
 </Project>