public IActionResult NewProduct(Product product, IFormFile imgfile)
        {
            var    saveimg = Path.Combine(_webHost.WebRootPath, "img", imgfile.FileName);
            string imgText = "/img/" + imgfile.FileName;

            using (var uploidImg = new FileStream(saveimg, FileMode.Create))
            {
                imgfile.CopyTo(uploidImg);
            }

            if (ModelState.IsValid)
            {
                _newProduct.CreatProduct(product, imgText);
                return(RedirectToAction("Complete"));
            }
            return(View(product));
        }