// GET: Backend/ProdWashing
        public ActionResult Index(int id)
        {
            ProductWashingVIewModel pwvm = new ProductWashingVIewModel();

            var pd = db.Products.Find(id);

            pwvm.ProductID         = pd.ProductID;
            pwvm.ProductName       = pd.ProductName;
            ViewBag.productwashing = db.Washings;

            return(View(pwvm));
        }
        public ActionResult ProdWashingJson(int id)
        {
            List <ProductWashingVIewModel> pwvmlist = new List <ProductWashingVIewModel>();

            var pw = db.ProductWashings.Where(x => x.ProductID == id).OrderByDescending(x => x.ProductWashingID);
            var ws = db.Washings;

            foreach (var item in pw)
            {
                ProductWashingVIewModel pwvm = new ProductWashingVIewModel
                {
                    ProductWashingID = item.ProductWashingID,
                    ProductID        = item.ProductID,
                    WashingID        = item.WashingID,
                    CreateDate       = item.CreateDate,
                    WashingName      = ws.Where(x => x.WashingID == item.WashingID).FirstOrDefault().WashingName,
                };

                pwvmlist.Add(pwvm);
            }

            return(Json(pwvmlist, JsonRequestBehavior.AllowGet));
        }