public void Update(DalRole entity)
        {
            Role role = context.Set<Role>().FirstOrDefault(r => r.Id == entity.Id);

            if (role != null)
            {
                role.Name = entity.Name;
                role.Description = entity.Description;
            }
        }
        public void Create(DalRole entity)
        {
            Role role = new Role() { Name = entity.Name.ToLower(), Description = entity.Description };

            context.Set<Role>().Add(role);
        }