diff --git a/Project/adminBlazor/adminBlazor/Pages/Add.razor b/Project/adminBlazor/adminBlazor/Pages/Add.razor
index b889612..eec9a79 100644
--- a/Project/adminBlazor/adminBlazor/Pages/Add.razor
+++ b/Project/adminBlazor/adminBlazor/Pages/Add.razor
@@ -47,13 +47,13 @@
     @if (currentItem == "student")
     {
         <label>
-                        <input type="checkbox" @onchange="@(e => RolesCategoriesChange(role, e.Value))" />
+                <input type="checkbox" @onchange="@(e => RolesCategoriesChange(role, e.Value))" />
             Student
         </label>
         break;
     }
     <label>
-                    <input type="checkbox" @onchange="@(e => RolesCategoriesChange(role, e.Value))" disabled="@disableOtherCheckboxes" checked="@user.Roles.Contains(currentItem)" />
+        <input type="checkbox" @onchange="@(e => RolesCategoriesChange(role, e.Value))" disabled="@disableOtherCheckboxes" checked="@user.Roles.Contains(currentItem)" />
         @currentItem
     </label>
     <br />
diff --git a/Project/adminBlazor/adminBlazor/Pages/Add.razor.cs b/Project/adminBlazor/adminBlazor/Pages/Add.razor.cs
index 5113b80..f322961 100644
--- a/Project/adminBlazor/adminBlazor/Pages/Add.razor.cs
+++ b/Project/adminBlazor/adminBlazor/Pages/Add.razor.cs
@@ -152,16 +152,21 @@ namespace adminBlazor.Pages
             }
             else
             {
-                if ((bool)checkedValue)
+                if (disableOtherCheckboxes)
                 {
-                    if (!user.Roles.Contains(item))
+                    //la case student a été coché ducoup on n'ajoute pas les autres rôles cochés
+                    return;
+                    if ((bool)checkedValue)
                     {
-                        user.Roles.Add(item);
+                        if (!user.Roles.Contains(item))
+                        {
+                            user.Roles.Add(item);
+                        }
+                    }
+                    else
+                    {
+                        user.Roles.Remove(item);
                     }
-                }
-                else
-                {
-                    user.Roles.Remove(item);
                 }
             }
         }
diff --git a/Project/adminBlazor/adminBlazor/libman.json b/Project/adminBlazor/adminBlazor/libman.json
new file mode 100644
index 0000000..ceee271
--- /dev/null
+++ b/Project/adminBlazor/adminBlazor/libman.json
@@ -0,0 +1,5 @@
+{
+  "version": "1.0",
+  "defaultProvider": "cdnjs",
+  "libraries": []
+}
\ No newline at end of file