public IActionResult Create([FromBody] PortfolioStockDetail item)
        {
            if (item == null)
            {
                return(BadRequest());
            }


            _context.MyPortfolio.InsertOneAsync(item);
            return(new NoContentResult());
        }
        public IActionResult Update(long id, [FromBody] PortfolioStockDetail item)
        {
            if (item == null || item.UserId != id)
            {
                return(BadRequest());
            }

            var todo = _context.MyPortfolio.ReplaceOne(m => m.UserId == id, item);

            if (todo == null)
            {
                return(NotFound());
            }

            return(new NoContentResult());
        }