private void UpdateInventory(string[] szHeaders, string[] szRow, TimelyDepotContext db, ITEM item, int nPos, ref string szError)
        {
            //Asume
            // 0 = ItemId
            // 1 = PROD_CD
            // 2 = UnitperCase
            // 3 = CaseWeight
            // 4 = UnitWeight
            // 5 = CaseDimensionL
            // 6 = CaseDimensionW
            // 7 = CaseDimensionH

            string szItemId = "";
            szError = "";

            try
            {
                szItemId = szRow[0];
                item = db.ITEMs.Where(itm => itm.ItemID == szItemId).FirstOrDefault<ITEM>();
                if (item != null)
                {
                    item.UnitPerCase = szRow[2];
                    item.CaseWeight = szRow[3];
                    item.UnitWeight = szRow[4];
                    item.CaseDimensionL = szRow[5];
                    item.CaseDimensionW = szRow[6];
                    item.CaseDimensionH = szRow[7];
                    db.Entry(item).State = EntityState.Modified;
                    db.SaveChanges();
                }

            }
            catch (Exception err)
            {
                szError = string.Format("Row {0}: {1} {2}", nPos, err.Message, err.StackTrace);
            }
        }
        //
        // GET: /PurchaseOrder/ReceivePurchaseOrder
        public ActionResult ReceivePurchaseOrder(int id)
        {
            double dPO_Dr = 0;
            DateTime dDate = DateTime.Now;
            TimelyDepotContext db01 = new TimelyDepotContext();

            SUB_ITEM subitem = null;
            IQueryable<PurchasOrderDetail> qrypodetails = null;

            PurchaseOrders purchaseorders = db.PurchaseOrders.Find(id);
            if (string.IsNullOrEmpty(purchaseorders.ReceiveStatus))
            {
                //Upate inventory
                qrypodetails = db.PurchasOrderDetails.Where(podt => podt.PurchaseOrderId == id);
                if (qrypodetails.Count() > 0)
                {
                    foreach (var item in qrypodetails)
                    {
                        if (!string.IsNullOrEmpty(item.ItemID))
                        {
                            subitem = db01.SUB_ITEM.Where(sbit => sbit.ItemID == item.ItemID && sbit.Sub_ItemID == item.Sub_ItemID).FirstOrDefault<SUB_ITEM>();
                            if (subitem != null)
                            {
                                dPO_Dr = Convert.ToDouble(item.Quantity);
                                subitem.OpenPO_Db = subitem.OpenPO_Db + dPO_Dr;
                                db01.Entry(subitem).State = EntityState.Modified;
                            }

                        }
                    }
                    db01.SaveChanges();
                }

                purchaseorders.ReceiveStatus = string.Format("Received on {0}", dDate.ToString("MMM/dd/yyyy"));

                db.Entry(purchaseorders).State = EntityState.Modified;
                db.SaveChanges();

            }
            return RedirectToAction("Index");
        }