public Quiz_category Add(Quiz_category quiz_Category)
        {
            context.quiz_Categories.Add(quiz_Category);
            context.SaveChanges();
            return(quiz_Category);

            throw new NotImplementedException();
        }
        public Quiz_category Delete(int Id)
        {
            Quiz_category quiz_Category = context.quiz_Categories.Find(Id);

            if (quiz_Category != null)
            {
                context.quiz_Categories.Remove(quiz_Category);
                context.SaveChanges();
            }
            return(quiz_Category);

            throw new NotImplementedException();
        }