public static void UpdateMiniature(Miniature miniature)
        {
            ApplicationDbContext db = new ApplicationDbContext();

            db.Entry(miniature).State = EntityState.Modified;
            db.SaveChanges();
        }
        public static void DeleteMiniature(Miniature miniature)
        {
            ApplicationDbContext db = new ApplicationDbContext();

            db.Miniatures.Remove(miniature);
            db.SaveChanges();
        }
        public static void AddMiniatureToDB(Miniature mini)
        {
            ApplicationDbContext db = new ApplicationDbContext();

            db.Miniatures.Add(mini);
            db.SaveChanges();
        }