diff --git a/WebApi/EntityManagers/AnswerEntityManager.cs b/WebApi/EntityManagers/AnswerEntityManager.cs
index ab706be..6e06288 100644
--- a/WebApi/EntityManagers/AnswerEntityManager.cs
+++ b/WebApi/EntityManagers/AnswerEntityManager.cs
@@ -1,107 +1,122 @@
-using DbConnectionLibrairie;
-using Entities;
-using ManagerInterfaces;
-using Microsoft.EntityFrameworkCore;
-using OrderCriterias;
-using System;
-using System.Collections.Generic;
-using System.Collections.ObjectModel;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace EntityManagers
-{
-    public class AnswerEntityManager : IAnswerManager<AnswerEntity>
-    {
-        private MyDbContext dbContext;
-
+using DbConnectionLibrairie;
+using Entities;
+using ManagerInterfaces;
+using Microsoft.EntityFrameworkCore;
+using OrderCriterias;
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace EntityManagers
+{
+    public class AnswerEntityManager : IAnswerManager<AnswerEntity>
+    {
+        private MyDbContext dbContext;
+
         public AnswerEntityManager(MyDbContext dbContext)
         {
             this.dbContext = dbContext;
-        }
-
-        public async Task<AnswerEntity> addAnswer(AnswerEntity answer)
-        {
-            var tmp = await dbContext.Answers.Where(a => a.Content == answer.Content.ToLower() && a.IdQuestion == answer.IdQuestion).FirstOrDefaultAsync();
-            if (tmp != null) // <=> he already exist
-            {
-                return tmp!;
-            }
-            await dbContext.Answers.AddAsync(new AnswerEntity { Content = answer.Content.ToLower(), IdQuestion = answer.IdQuestion });
-            await dbContext.SaveChangesAsync();
-            return await dbContext.Answers.Where(a => a.Content == answer.Content && a.IdQuestion == answer.IdQuestion).FirstAsync();
-        }
-
-        public async Task<AnswerEntity?> getAnswer(uint id)
-        {
-            return await dbContext.Answers.Where(a => a.Id == id).FirstOrDefaultAsync();
-        }
-
-        public async Task<(int nbPages, IEnumerable<AnswerEntity>? answers)> getAnswers(int nb, int count, AnswerOrderCriteria orderCriteria = AnswerOrderCriteria.ById)
-        {
-            int nbEl = getNbElements();
-            if (nb < 0 || count < 0 || nb > nbEl / count) return await Task.FromResult<(int nbPages, IEnumerable<AnswerEntity>? answers)>((nbEl / count, null));
-            var tmp = dbContext.Answers;
-            switch (orderCriteria)
-            {
-                case AnswerOrderCriteria.ById:
-                    tmp.OrderBy(a => a.Id);
-                    break;
-                case AnswerOrderCriteria.ByContent:
-                    tmp.OrderBy(a => a.Content);
-                    break;
-                case AnswerOrderCriteria.ByIdQuestion:
-                    tmp.OrderBy(a => a.IdQuestion);
-                    break;
-            }
-            return await Task.FromResult<(int nbPages, IEnumerable<AnswerEntity>? answers)>((nbEl / count, tmp.Skip((nb - 1) * count).Take(count)));
-        }
-
-        public async Task<IEnumerable<AnswerEntity>?> getAnswersByIdQuestion(uint id)
-        {
-            if(dbContext.Questions.Where(q => q.Id == id).Any())
-            {
-                return await Task.FromResult<IEnumerable<AnswerEntity>?>(dbContext.Answers.Where(a => a.IdQuestion == id));
-            }
-            return await Task.FromResult<IEnumerable<AnswerEntity>?>(null);
-        }
-
-        public int getNbElements()
-        {
-            return dbContext.Answers.CountAsync().Result;
-        }
-
-        public async Task<AnswerEntity?> removeAnswer(uint id)
-        {
-            var tmp = getAnswer(id).Result;
-            if (tmp == null) return await Task.FromResult<AnswerEntity?>(tmp);
-            dbContext.Answers.Remove(tmp);
-            await dbContext.SaveChangesAsync();
-            return await Task.FromResult<AnswerEntity?>(tmp);
-        }
-
-        public async Task<AnswerEntity?> removeAnswer(AnswerEntity answer)
-        {
-            var tmp = dbContext.Answers.Where(a => a.Equals(answer)).FirstOrDefaultAsync().Result;
-            if (tmp == null) return await Task.FromResult<AnswerEntity?>(tmp);
-            dbContext.Answers.Remove(tmp);
-            await dbContext.SaveChangesAsync();
-            return await Task.FromResult<AnswerEntity?>(tmp);
-        }
-
-        public async Task<AnswerEntity?> updateAnswer(uint id, AnswerEntity answer)
-        {
-            var tmp = await dbContext.Answers.Where(a => a.Id == id).FirstOrDefaultAsync();
+        }
+
+        public async Task<AnswerEntity> addAnswer(AnswerEntity answer)
+        {
+            var tmp = await dbContext.Answers.Where(a => a.Content == answer.Content.ToLower() && a.IdQuestion == answer.IdQuestion).FirstOrDefaultAsync();
+            if (tmp != null) // <=> he already exist
+            {
+                return tmp!;
+            }
+            await dbContext.Answers.AddAsync(new AnswerEntity { Content = answer.Content.ToLower(), IdQuestion = answer.IdQuestion });
+            await dbContext.SaveChangesAsync();
+            return await dbContext.Answers.Where(a => a.Content == answer.Content && a.IdQuestion == answer.IdQuestion).FirstAsync();
+        }
+
+        public async Task<AnswerEntity?> getAnswer(uint id)
+        {
+            return await dbContext.Answers.Where(a => a.Id == id).FirstOrDefaultAsync();
+        }
+
+        public async Task<(int nbPages, IEnumerable<AnswerEntity>? answers)> getAnswers(int page, int count, AnswerOrderCriteria orderCriteria = AnswerOrderCriteria.ById)
+        {
+            int nbEl = getNbElements();
+            if (page < 0 || count < 0 || page > nbEl / count)
+            {
+                return await Task.FromResult<(
+                    int nbPages,
+                    IEnumerable<AnswerEntity>? answers
+                )> ((
+                    count == 0 ? -1 : nbEl / count,
+                    null
+                ));
+            }
+            var tmp = dbContext.Answers;
+            switch (orderCriteria)
+            {
+                case AnswerOrderCriteria.ById:
+                    tmp.OrderBy(a => a.Id);
+                    break;
+                case AnswerOrderCriteria.ByContent:
+                    tmp.OrderBy(a => a.Content);
+                    break;
+                case AnswerOrderCriteria.ByIdQuestion:
+                    tmp.OrderBy(a => a.IdQuestion);
+                    break;
+            }
+            return await Task.FromResult<(
+                int nbPages,
+                IEnumerable<AnswerEntity>? answers
+            )> ((
+                nbEl / count,
+                tmp.Skip((page - 1) * count).Take(count)
+            ));
+        }
+
+        public async Task<IEnumerable<AnswerEntity>?> getAnswersByIdQuestion(uint id)
+        {
+            if(dbContext.Questions.Where(q => q.Id == id).Any())
+            {
+                return await Task.FromResult<IEnumerable<AnswerEntity>?>(dbContext.Answers.Where(a => a.IdQuestion == id));
+            }
+            return await Task.FromResult<IEnumerable<AnswerEntity>?>(null);
+        }
+
+        public int getNbElements()
+        {
+            return dbContext.Answers.CountAsync().Result;
+        }
+
+        public async Task<AnswerEntity?> removeAnswer(uint id)
+        {
+            var tmp = getAnswer(id).Result;
+            if (tmp == null) return await Task.FromResult<AnswerEntity?>(tmp);
+            dbContext.Answers.Remove(tmp);
+            await dbContext.SaveChangesAsync();
+            return await Task.FromResult<AnswerEntity?>(tmp);
+        }
+
+        public async Task<AnswerEntity?> removeAnswer(AnswerEntity answer)
+        {
+            var tmp = dbContext.Answers.Where(a => a.Equals(answer)).FirstOrDefaultAsync().Result;
+            if (tmp == null) return await Task.FromResult<AnswerEntity?>(tmp);
+            dbContext.Answers.Remove(tmp);
+            await dbContext.SaveChangesAsync();
+            return await Task.FromResult<AnswerEntity?>(tmp);
+        }
+
+        public async Task<AnswerEntity?> updateAnswer(uint id, AnswerEntity answer)
+        {
+            var tmp = await dbContext.Answers.Where(a => a.Id == id).FirstOrDefaultAsync();
             if(tmp == null)
             {
                 return null;
-            }
-            tmp.Content = answer.Content;
-            tmp.Question = answer.Question;
-            tmp.IdQuestion = answer.IdQuestion;
-            await dbContext.SaveChangesAsync();
-            return tmp;
-        }
-    }
-}
+            }
+            tmp.Content = answer.Content;
+            tmp.Question = answer.Question;
+            tmp.IdQuestion = answer.IdQuestion;
+            await dbContext.SaveChangesAsync();
+            return tmp;
+        }
+    }
+}