public ActionResult addDiscount(product_discount_tbl pro)
 {
     if (ModelState.IsValid)
     {
         db.product_discount_tbl.Add(pro);
         db.SaveChanges();
         message = "Discount is Created";
         status  = true;
     }
     else
     {
         message = "There Are Some Probems";
     }
     TempData["Status"]  = status;
     TempData["Message"] = message;
     return(RedirectToAction("addDiscount", new { id = pro.product_id }));
 }
        public ActionResult editdiscover(product_discount_tbl pro)
        {
            if (ModelState.IsValid)
            {
                db.Entry(pro).State = System.Data.Entity.EntityState.Modified;
                db.SaveChanges();
                message = "Discount Is updated";
                status  = true;
            }
            else
            {
                message = " there are some problems";
            }

            TempData["Message"] = message;
            TempData["Status"]  = status;
            return(RedirectToAction("addDiscount", new { id = pro.product_id }));
        }