public ActionResult Edit(int id, string product_name, string product_price, FormCollection form, List <int> product_count, List <int> product_size_count, List <int> product_pivot_id)
        {
            Product pr = db.Products.Find(id);

            pr.product_name  = product_name;
            pr.product_price = product_price;
            db.SaveChanges();

            List <ProductImage> productimg = db.ProductImages.Where(s => s.product_img_product_id == id).ToList();

            if (product_count != null)
            {
                for (int i = 0; i < productimg.Count; i++)
                {
                    productimg[i].product_img_count = product_count[i];
                    db.SaveChanges();
                }
            }
            else
            {
                for (int i = 0; i < product_pivot_id.Count; i++)
                {
                    ProductPivotSize pivot = db.ProductPivotSizes.Find(product_pivot_id[i]);
                    pivot.product_pivot_count = product_size_count[i];
                    db.SaveChanges();
                }
            }


            return(RedirectToAction("Index"));
        }
        public ActionResult Create(Product product, List <HttpPostedFileBase> file, List <int> colorId, FormCollection form, List <int> product_size_count, List <int> product_count)
        {
            List <string> size_str_id = form["checkBoxList_name"].Split(',').ToList();

            List <List <int> > size_id = new List <List <int> >();

            foreach (string item in size_str_id)
            {
                List <int> list = new List <int>();
                foreach (char c in item)
                {
                    list.Add((int)Char.GetNumericValue(c));
                }
                size_id.Add(list);
            }


            ProductPivotSize new_productsize = new ProductPivotSize();
            Random           rnd             = new Random();
            var randonnumber     = rnd.Next(0, 100000);
            int product_business = LoginRegisterController.log_business.business_id;

            product.product_business_id = product_business;
            db.Products.Add(product);
            db.SaveChanges();
            var productLast = db.Products.OrderByDescending(a => a.product_id).FirstOrDefault();

            for (int i = 0; i < file.Count(); i++)
            {
                if (file[i] != null && colorId[i] != 0)
                {
                    var InputFileName  = Path.GetFileName(file[i].FileName);
                    var ServerSavePath = Path.Combine(Server.MapPath("~/Upload/") + randonnumber + InputFileName);
                    //Save file to server folder
                    file[i].SaveAs(ServerSavePath);
                    ProductImage productImage = new ProductImage();
                    productImage.product_img            = "/Upload/" + randonnumber + InputFileName;
                    productImage.product_img_color_id   = colorId[i];
                    productImage.product_img_product_id = productLast.product_id;
                    if (product_count[i] > 0)
                    {
                        productImage.product_img_count = Convert.ToInt32(product_count[i]);
                    }
                    else
                    {
                        productImage.product_img_count = null;
                    }
                    db.ProductImages.Add(productImage);
                    db.SaveChanges();
                    for (int s = 0; s < size_id[i].Count; s++)
                    {
                        ProductPivotSize elem = new ProductPivotSize();
                        elem.product_pivot_img_id  = productImage.product_img_id;
                        elem.product_pivot_size_id = size_id[i][s];
                        elem.product_pivot_count   = 5;
                        db.ProductPivotSizes.Add(elem);
                        db.SaveChanges();
                    }
                }
            }
            return(RedirectToAction("Index"));
        }