diff --git a/WF-WebAdmin/WF-WebAdmin/Model/Quiz.cs b/WF-WebAdmin/WF-WebAdmin/Model/Quiz.cs
index c6035df..0e08045 100644
--- a/WF-WebAdmin/WF-WebAdmin/Model/Quiz.cs
+++ b/WF-WebAdmin/WF-WebAdmin/Model/Quiz.cs
@@ -9,6 +9,7 @@ namespace WF_WebAdmin.Model
         public string AnswerC { get; set; }
         public string AnswerD { get; set; }
         public string CAnswer { get; set; }
+        public bool IsValid { get; set; }
         public string UserProposition { get; set; }
     }
 }
\ No newline at end of file
diff --git a/WF-WebAdmin/WF-WebAdmin/Pages/ValidQuiz.razor.cs b/WF-WebAdmin/WF-WebAdmin/Pages/ValidQuiz.razor.cs
index d907e84..76b5d55 100644
--- a/WF-WebAdmin/WF-WebAdmin/Pages/ValidQuiz.razor.cs
+++ b/WF-WebAdmin/WF-WebAdmin/Pages/ValidQuiz.razor.cs
@@ -1,23 +1,27 @@
 using Blazorise.DataGrid;
 using Microsoft.AspNetCore.Components;
 using WF_WebAdmin.Model;
+using WF_WebAdmin.Service;
 
 namespace WF_WebAdmin.Pages
 {
     public partial class ValidQuiz
     {
-        private Quiz[] quizzes;
-        private int totalQuizzes;
+        private List<Quiz> quizzes;
+        
 
         [Inject]
         public HttpClient Http { get; set; }
 
         [Inject]
         public NavigationManager NavigationManager { get; set; }
+        
+        [Inject]
+        public IQuizServiceJson QuizService { get; set; }
 
         protected override async Task OnInitializedAsync()
         {
-            quizzes = await Http.GetFromJsonAsync<Quiz[]>($"{NavigationManager.BaseUri}fake-dataQuiz.json");
+            quizzes = await QuizService.getQuizzesToValidateJson();
         }
 
         private void OnValidButton(Quiz quiz)
@@ -28,6 +32,12 @@ namespace WF_WebAdmin.Pages
         private void ValidateQuiz(Quiz quiz)
         {
             Console.WriteLine($"Quiz {quiz.Id} validated!");
+            
+            Quiz newQuiz = quiz;
+            newQuiz.IsValid = true;
+
+            // Mis à jour de l'état du quiz
+            QuizService.updateQuizJson(quiz);
         }
 
         private void OnRejectButton(Quiz quiz)
@@ -38,6 +48,8 @@ namespace WF_WebAdmin.Pages
         private void RejectQuiz(Quiz quiz)
         {
             Console.WriteLine($"Quiz {quiz.Id} rejected!");
+
+            QuizService.removeQuizJson(quiz.Id);
         }
     }
 }
\ No newline at end of file
diff --git a/WF-WebAdmin/WF-WebAdmin/Program.cs b/WF-WebAdmin/WF-WebAdmin/Program.cs
index 2a03f66..8ce6fde 100644
--- a/WF-WebAdmin/WF-WebAdmin/Program.cs
+++ b/WF-WebAdmin/WF-WebAdmin/Program.cs
@@ -14,6 +14,7 @@ builder.Services.AddRazorPages();
 builder.Services.AddServerSideBlazor();
 builder.Services.AddSingleton<WeatherForecastService>();
 builder.Services.AddScoped<IQuoteService,QuoteServiceStub>();
+builder.Services.AddScoped<IQuizServiceJson,QuizServiceStub>();
 builder.Services.AddHttpClient();
 builder.Services.AddScoped<UserLogin>();
 
diff --git a/WF-WebAdmin/WF-WebAdmin/Service/IQuizService.cs b/WF-WebAdmin/WF-WebAdmin/Service/IQuizService.cs
new file mode 100644
index 0000000..bc7bb44
--- /dev/null
+++ b/WF-WebAdmin/WF-WebAdmin/Service/IQuizService.cs
@@ -0,0 +1,24 @@
+using WF_WebAdmin.Model;
+
+namespace WF_WebAdmin.Service
+{
+    public interface IQuizService
+    {
+        public Task addQuiz(Quiz quiz);
+        
+        public Task updateQuiz(Quiz quiz);
+        
+        public Task removeQuiz(int id);
+        
+        public Task validateQuiz(int id);
+
+        public Task<List<Quiz>> getQuizzes();
+
+        public Task<List<Quiz>> getQuizzesToValidate();
+
+        public Task<Quiz> getQuiz(int id);
+
+        public Task<int> getNbQuiz();
+    }
+}
+    
\ No newline at end of file
diff --git a/WF-WebAdmin/WF-WebAdmin/Service/IQuizServiceJson.cs b/WF-WebAdmin/WF-WebAdmin/Service/IQuizServiceJson.cs
new file mode 100644
index 0000000..9d51396
--- /dev/null
+++ b/WF-WebAdmin/WF-WebAdmin/Service/IQuizServiceJson.cs
@@ -0,0 +1,17 @@
+using WF_WebAdmin.Model;
+
+namespace WF_WebAdmin.Service
+{
+    public interface IQuizServiceJson
+    {
+        public Task<List<Quiz>> getQuizzesJson();
+        
+        public Task<List<Quiz>> getQuizzesToValidateJson();
+        
+        public Task removeQuizJson(int id);
+        
+        public Task updateQuizJson(Quiz quiz);
+        
+        public Task saveQuizJson(List<Quiz> quiz);
+    }
+}
\ No newline at end of file
diff --git a/WF-WebAdmin/WF-WebAdmin/Service/QuizService.cs b/WF-WebAdmin/WF-WebAdmin/Service/QuizService.cs
deleted file mode 100644
index 2a6c75f..0000000
--- a/WF-WebAdmin/WF-WebAdmin/Service/QuizService.cs
+++ /dev/null
@@ -1,25 +0,0 @@
-using WF_WebAdmin.Model;
-
-namespace WF_WebAdmin.Service;
-
-public class QuizService
-{
-    public List<Quiz> GetQuizToConfirm()
-    {
-        var res = new List<Quiz>();
-        
-        return res;
-    }
-
-    public bool AddQuiz(Quiz quiz)
-    {
-        var res = false;
-        return res;
-    }
-
-    public bool RemoveQuiz(Quiz quiz)
-    {
-        var res = false;
-        return res;
-    }
-}
\ No newline at end of file
diff --git a/WF-WebAdmin/WF-WebAdmin/Service/QuizServiceStub.cs b/WF-WebAdmin/WF-WebAdmin/Service/QuizServiceStub.cs
new file mode 100644
index 0000000..b34a439
--- /dev/null
+++ b/WF-WebAdmin/WF-WebAdmin/Service/QuizServiceStub.cs
@@ -0,0 +1,63 @@
+using System.Text.Json;
+using WF_WebAdmin.Model;
+
+namespace WF_WebAdmin.Service;
+
+public class QuizServiceStub: IQuizServiceJson
+{
+    private readonly string _jsonFilePath =
+        Path.Combine(Environment.CurrentDirectory, "wwwroot", "fake_data_quiz.json");
+
+    public async Task<List<Quiz>> getQuizzesJson()
+    {
+        if (!File.Exists(_jsonFilePath))
+        {
+            Console.Out.WriteLine($"{_jsonFilePath} not found");
+            return new List<Quiz>();
+        }
+
+        var json = await File.ReadAllTextAsync(_jsonFilePath);
+        return JsonSerializer.Deserialize<List<Quiz>>(json) ?? new List<Quiz>();
+    }
+
+    public async Task<List<Quiz>> getQuizzesToValidateJson()
+    {
+        var quizzes = await getQuizzesJson();
+        return quizzes.Where(quiz => quiz.IsValid == false).ToList();;
+    }
+
+    public async Task removeQuizJson(int id)
+    {
+        var data = await getQuizzesJson();
+        var quiz = data.FirstOrDefault(q => q.Id == id);
+        if (quiz != null)
+        {
+            data.Remove(quiz);
+            await saveQuizJson(data);
+        }
+    }
+
+    public async Task updateQuizJson(Quiz quiz)
+    {
+        var data = await getQuizzesJson();
+        var existingQuiz = data.FirstOrDefault(q => q.Id == quiz.Id);
+        if (existingQuiz != null)
+        {
+            existingQuiz.Question = quiz.Question;
+            existingQuiz.AnswerA = quiz.AnswerA;
+            existingQuiz.AnswerB = quiz.AnswerB;
+            existingQuiz.AnswerC = quiz.AnswerC;
+            existingQuiz.AnswerD = quiz.AnswerD;
+            existingQuiz.CAnswer = quiz.CAnswer;
+            existingQuiz.IsValid = quiz.IsValid;
+            existingQuiz.UserProposition = quiz.UserProposition;
+            await saveQuizJson(data);
+        }
+    }
+    
+    public async Task saveQuizJson(List<Quiz> quizzes)
+    {
+        var json = JsonSerializer.Serialize(quizzes, new JsonSerializerOptions { WriteIndented = true });
+        await File.WriteAllTextAsync(_jsonFilePath, json);
+    }
+}
diff --git a/WF-WebAdmin/WF-WebAdmin/wwwroot/fake-dataQuiz.json b/WF-WebAdmin/WF-WebAdmin/wwwroot/fake-dataQuiz.json
deleted file mode 100644
index 24eb012..0000000
--- a/WF-WebAdmin/WF-WebAdmin/wwwroot/fake-dataQuiz.json
+++ /dev/null
@@ -1,282 +0,0 @@
-[
-  {
-    "id": 1,
-    "question": "Voluptate nulla laborum pariatur excepteur consequat officia ea esse ut nisi amet non.",
-    "answerA": "sit ullamco",
-    "answerB": "deserunt reprehenderit",
-    "answerC": "cupidatat deserunt",
-    "answerD": "ullamco aliqua",
-    "cAnswer": "B",
-    "userProposition": "Lori Myers"
-  },
-  {
-    "id": 2,
-    "question": "Ea elit esse minim aute aliquip cillum amet cupidatat fugiat exercitation.",
-    "answerA": "ullamco excepteur",
-    "answerB": "aliquip occaecat",
-    "answerC": "incididunt duis",
-    "answerD": "sunt dolor",
-    "cAnswer": "A",
-    "userProposition": "Louella Robinson"
-  },
-  {
-    "id": 3,
-    "question": "Aute commodo est proident sunt nulla est cillum eiusmod est voluptate dolore sit aliqua incididunt.",
-    "answerA": "reprehenderit mollit",
-    "answerB": "laboris consectetur",
-    "answerC": "cillum deserunt",
-    "answerD": "deserunt fugiat",
-    "cAnswer": "B",
-    "userProposition": "Richmond Joyner"
-  },
-  {
-    "id": 4,
-    "question": "Fugiat duis excepteur non amet tempor deserunt ut occaecat cupidatat eiusmod et amet enim.",
-    "answerA": "amet aute",
-    "answerB": "excepteur ad",
-    "answerC": "laboris veniam",
-    "answerD": "veniam in",
-    "cAnswer": "B",
-    "userProposition": "Brady Patrick"
-  },
-  {
-    "id": 5,
-    "question": "Occaecat minim velit dolor est ad ut irure eu labore velit in dolore exercitation.",
-    "answerA": "eu aliqua",
-    "answerB": "labore ipsum",
-    "answerC": "labore reprehenderit",
-    "answerD": "anim excepteur",
-    "cAnswer": "C",
-    "userProposition": "Mavis Boone"
-  },
-  {
-    "id": 6,
-    "question": "Non laboris adipisicing anim fugiat labore excepteur tempor elit in.",
-    "answerA": "in excepteur",
-    "answerB": "nostrud dolor",
-    "answerC": "nisi aliqua",
-    "answerD": "sint nisi",
-    "cAnswer": "C",
-    "userProposition": "Douglas Dejesus"
-  },
-  {
-    "id": 7,
-    "question": "Lorem proident exercitation elit fugiat do amet aute labore consectetur pariatur consequat.",
-    "answerA": "eiusmod nulla",
-    "answerB": "eu id",
-    "answerC": "proident tempor",
-    "answerD": "amet proident",
-    "cAnswer": "A",
-    "userProposition": "Mia Peterson"
-  },
-  {
-    "id": 8,
-    "question": "Incididunt magna commodo laborum do incididunt commodo proident non cillum magna elit irure voluptate.",
-    "answerA": "laborum fugiat",
-    "answerB": "laboris est",
-    "answerC": "in ea",
-    "answerD": "duis ullamco",
-    "cAnswer": "A",
-    "userProposition": "Juliet Fox"
-  },
-  {
-    "id": 9,
-    "question": "Qui labore fugiat sint Lorem ut minim in ex dolor.",
-    "answerA": "et deserunt",
-    "answerB": "labore sit",
-    "answerC": "in eiusmod",
-    "answerD": "amet incididunt",
-    "cAnswer": "C",
-    "userProposition": "Earnestine Poole"
-  },
-  {
-    "id": 10,
-    "question": "Voluptate pariatur ipsum magna sint Lorem adipisicing.",
-    "answerA": "sint velit",
-    "answerB": "non culpa",
-    "answerC": "nisi ut",
-    "answerD": "excepteur labore",
-    "cAnswer": "B",
-    "userProposition": "Alexis Cross"
-  },
-  {
-    "id": 11,
-    "question": "In labore sunt est cupidatat cillum.",
-    "answerA": "ut ad",
-    "answerB": "non deserunt",
-    "answerC": "do officia",
-    "answerD": "ut nostrud",
-    "cAnswer": "C",
-    "userProposition": "Brooks Martinez"
-  },
-  {
-    "id": 12,
-    "question": "Irure occaecat sit laborum nulla ea dolore et aliqua sunt Lorem enim esse.",
-    "answerA": "excepteur occaecat",
-    "answerB": "pariatur in",
-    "answerC": "reprehenderit excepteur",
-    "answerD": "laborum adipisicing",
-    "cAnswer": "D",
-    "userProposition": "Shields Roth"
-  },
-  {
-    "id": 13,
-    "question": "Laboris sint in sit exercitation nisi id cillum ex ea culpa fugiat in cupidatat.",
-    "answerA": "labore mollit",
-    "answerB": "in veniam",
-    "answerC": "labore eiusmod",
-    "answerD": "consequat veniam",
-    "cAnswer": "B",
-    "userProposition": "Carmella Chase"
-  },
-  {
-    "id": 14,
-    "question": "Proident dolor Lorem anim proident laborum sint minim sit laborum aliquip.",
-    "answerA": "velit exercitation",
-    "answerB": "voluptate esse",
-    "answerC": "occaecat cupidatat",
-    "answerD": "enim adipisicing",
-    "cAnswer": "D",
-    "userProposition": "Johns Solomon"
-  },
-  {
-    "id": 15,
-    "question": "Do magna dolore enim laborum consequat reprehenderit nisi consequat nostrud.",
-    "answerA": "proident do",
-    "answerB": "labore minim",
-    "answerC": "in elit",
-    "answerD": "in irure",
-    "cAnswer": "A",
-    "userProposition": "Alana Moore"
-  },
-  {
-    "id": 16,
-    "question": "Culpa anim id elit dolore veniam.",
-    "answerA": "ipsum nisi",
-    "answerB": "officia voluptate",
-    "answerC": "in excepteur",
-    "answerD": "ullamco non",
-    "cAnswer": "B",
-    "userProposition": "Russo Rios"
-  },
-  {
-    "id": 17,
-    "question": "Ea est consectetur exercitation aute ut mollit pariatur irure aute adipisicing dolore.",
-    "answerA": "fugiat elit",
-    "answerB": "pariatur nulla",
-    "answerC": "exercitation ipsum",
-    "answerD": "exercitation laboris",
-    "cAnswer": "A",
-    "userProposition": "Bobbi Lara"
-  },
-  {
-    "id": 18,
-    "question": "Laborum consectetur incididunt ad fugiat fugiat proident culpa mollit laborum.",
-    "answerA": "elit duis",
-    "answerB": "amet aute",
-    "answerC": "culpa nostrud",
-    "answerD": "do pariatur",
-    "cAnswer": "D",
-    "userProposition": "Lewis Mullins"
-  },
-  {
-    "id": 19,
-    "question": "Culpa anim aliquip mollit non labore.",
-    "answerA": "labore incididunt",
-    "answerB": "laborum non",
-    "answerC": "sunt laborum",
-    "answerD": "est sunt",
-    "cAnswer": "B",
-    "userProposition": "Mccray Mccoy"
-  },
-  {
-    "id": 20,
-    "question": "Ex exercitation deserunt aute cillum dolor.",
-    "answerA": "proident magna",
-    "answerB": "pariatur exercitation",
-    "answerC": "ipsum veniam",
-    "answerD": "culpa quis",
-    "cAnswer": "C",
-    "userProposition": "Moss Jefferson"
-  },
-  {
-    "id": 21,
-    "question": "Do mollit aute dolore anim id non aliqua.",
-    "answerA": "ipsum aute",
-    "answerB": "irure ex",
-    "answerC": "ex duis",
-    "answerD": "ipsum cupidatat",
-    "cAnswer": "B",
-    "userProposition": "Roth Valdez"
-  },
-  {
-    "id": 22,
-    "question": "Commodo sunt reprehenderit tempor sit ut ea Lorem esse minim elit et sunt sint qui.",
-    "answerA": "et do",
-    "answerB": "officia culpa",
-    "answerC": "et commodo",
-    "answerD": "irure tempor",
-    "cAnswer": "D",
-    "userProposition": "Adrienne Carpenter"
-  },
-  {
-    "id": 23,
-    "question": "Excepteur cupidatat ut sit commodo magna elit.",
-    "answerA": "pariatur tempor",
-    "answerB": "proident non",
-    "answerC": "velit elit",
-    "answerD": "pariatur fugiat",
-    "cAnswer": "D",
-    "userProposition": "Mcknight Cain"
-  },
-  {
-    "id": 24,
-    "question": "Laborum eu nisi consequat voluptate in laboris cillum in aute sint excepteur aliqua Lorem in.",
-    "answerA": "pariatur in",
-    "answerB": "voluptate qui",
-    "answerC": "et cillum",
-    "answerD": "adipisicing id",
-    "cAnswer": "D",
-    "userProposition": "Gay Barlow"
-  },
-  {
-    "id": 25,
-    "question": "Laborum ullamco occaecat excepteur deserunt nostrud dolor.",
-    "answerA": "magna labore",
-    "answerB": "ullamco veniam",
-    "answerC": "reprehenderit irure",
-    "answerD": "magna dolore",
-    "cAnswer": "B",
-    "userProposition": "Hannah Battle"
-  },
-  {
-    "id": 26,
-    "question": "Commodo in amet laboris Lorem et qui anim ea ullamco dolor dolor commodo.",
-    "answerA": "amet nulla",
-    "answerB": "laborum mollit",
-    "answerC": "amet in",
-    "answerD": "irure amet",
-    "cAnswer": "D",
-    "userProposition": "Dawson Mcpherson"
-  },
-  {
-    "id": 27,
-    "question": "Veniam non consectetur sit cillum.",
-    "answerA": "aliqua cupidatat",
-    "answerB": "nostrud culpa",
-    "answerC": "anim ullamco",
-    "answerD": "adipisicing et",
-    "cAnswer": "A",
-    "userProposition": "Reeves Love"
-  },
-  {
-    "id": 28,
-    "question": "Ullamco laboris voluptate nostrud commodo Lorem enim ad ipsum.",
-    "answerA": "id aute",
-    "answerB": "aliquip incididunt",
-    "answerC": "duis elit",
-    "answerD": "mollit ad",
-    "cAnswer": "B",
-    "userProposition": "Michael Holmes"
-  }
-]
\ No newline at end of file
diff --git a/WF-WebAdmin/WF-WebAdmin/wwwroot/fake_data_quiz.json b/WF-WebAdmin/WF-WebAdmin/wwwroot/fake_data_quiz.json
new file mode 100644
index 0000000..0a91deb
--- /dev/null
+++ b/WF-WebAdmin/WF-WebAdmin/wwwroot/fake_data_quiz.json
@@ -0,0 +1,68 @@
+[
+  {
+    "Id": 7,
+    "Question": "Lorem proident exercitation elit fugiat do amet aute labore consectetur pariatur consequat.",
+    "AnswerA": "eiusmod nulla",
+    "AnswerB": "eu Id",
+    "AnswerC": "proident tempor",
+    "AnswerD": "amet proident",
+    "CAnswer": "A",
+    "IsValid": false,
+    "UserProposition": "Mia Peterson"
+  },
+  {
+    "Id": 8,
+    "Question": "Incididunt magna commodo laborum do incididunt commodo proident non cillum magna elit irure voluptate.",
+    "AnswerA": "laborum fugiat",
+    "AnswerB": "laboris est",
+    "AnswerC": "in ea",
+    "AnswerD": "duis ullamco",
+    "CAnswer": "A",
+    "IsValid": false,
+    "UserProposition": "Juliet Fox"
+  },
+  {
+    "Id": 9,
+    "Question": "Qui labore fugiat sint Lorem ut minim in ex dolor.",
+    "AnswerA": "et deserunt",
+    "AnswerB": "labore sit",
+    "AnswerC": "in eiusmod",
+    "AnswerD": "amet incididunt",
+    "CAnswer": "C",
+    "IsValid": false,
+    "UserProposition": "Earnestine Poole"
+  },
+  {
+    "Id": 10,
+    "Question": "Voluptate pariatur ipsum magna sint Lorem adipisicing.",
+    "AnswerA": "sint velit",
+    "AnswerB": "non culpa",
+    "AnswerC": "nisi ut",
+    "AnswerD": "excepteur labore",
+    "CAnswer": "B",
+    "IsValid": false,
+    "UserProposition": "Alexis Cross"
+  },
+  {
+    "Id": 11,
+    "Question": "In labore sunt est cupidatat cillum.",
+    "AnswerA": "ut ad",
+    "AnswerB": "non deserunt",
+    "AnswerC": "do officia",
+    "AnswerD": "ut nostrud",
+    "CAnswer": "C",
+    "IsValid": false,
+    "UserProposition": "Brooks Martinez"
+  },
+  {
+    "Id": 12,
+    "Question": "Irure occaecat sit laborum nulla ea dolore et aliqua sunt Lorem enim esse.",
+    "AnswerA": "excepteur occaecat",
+    "AnswerB": "pariatur in",
+    "AnswerC": "reprehenderit excepteur",
+    "AnswerD": "laborum adipisicing",
+    "CAnswer": "D",
+    "IsValid": false,
+    "UserProposition": "Shields Roth"
+  }
+]
\ No newline at end of file