public void UpdatePrice(Product item, decimal price)
 {
     using (var context = new DbStorehouse())
     {
         var priceAdd = new PriceStore()
         {
             ProductId  = item.ProductId,
             DateEdited = DateTime.Now,
             Price      = price
         };
         var priceStore = context.PriceStores.Add(priceAdd);
         context.SaveChanges();
         item.PriceId = priceStore.PriceId;
         context.Entry(item).State = EntityState.Modified;
         context.SaveChanges();
     }
 }
 public void Update(Product item)
 {
     using (var context = new DbStorehouse())
     {
         context.Entry(item).State = EntityState.Modified;
         context.SaveChanges();
     }
 }
 public Product Create(Product item)
 {
     using (var context = new DbStorehouse())
     {
         context.Products.Add(item);
         context.SaveChanges();
         return(item);
     }
 }
 public void Remove(int id)
 {
     using (var context = new DbStorehouse())
     {
         var product = context.Products.Find(id);
         product.IsDelete             = true;
         context.Entry(product).State = EntityState.Modified;
         context.SaveChanges();
     }
 }
        public void UpdateCount(Product item, int count, bool balance)
        {
            using (var context = new DbStorehouse())
            {
                var countAdd =
                    new CountStore
                {
                    ProductId  = item.ProductId,
                    PriceId    = item.PriceId.GetValueOrDefault(),
                    DateEdited = DateTime.Now,
                    CountUp    = balance ? count : 0,
                    CountDown  = balance ? 0 : count
                }
                ;

                //item.CountStores = countAdd;
                context.CountStores.Add(countAdd);
                context.Entry(item).State = EntityState.Modified;
                context.SaveChanges();
            }
        }