public IActionResult Delete([FromBody] TodoModel row)
        {
            using (var ctx = new TodoContex())
            {
                ctx.TodoITem.Remove(row);
                ctx.SaveChanges();

                return(Ok());
            }
        }
        public IActionResult Insert([FromBody] TodoModel model)
        {
            using (var ctx = new TodoContex())
            {
                var item = ctx.TodoITem.Add(model);
                ctx.SaveChanges();

                return(Ok(item.Entity));
            }
        }