file reading

public Repository()
        {
            dynamic items = ReadFromFile("items.json");
            dynamic categories = ReadFromFile("categories.json");
            foreach (var temp in categories.categories)
            {
               Categories.Add(new Category((string)temp.Name, (string)temp.Decription));
            }
            foreach (var temp in items.items)
            {
                Items.Add(new Item((string)temp.Name, (string)temp.Path, Categories.Find(i => i.Name == (string)temp.Category)));
            }
            //  Items;
            // Categories;
        }

        private dynamic ReadFromFile(string json)
        {
            using (StreamReader r = new StreamReader(json))
            {
                json = r.ReadToEnd();
                //return JObject.Parse(json);
                //JsonSerializer serializer = new JsonSerializer();
                //JsonTextReader reader = new JsonTextReader(r);
                // return (JObject) serializer.DeserializeObject(reader);
                return JsonConvert.DeserializeObject(json);

            }
        }