public Int32 postItemInventory()
        {
            try
            {
                Data.MstItemInventory newItemInventory = new Data.MstItemInventory();
                newItemInventory.ItemId        = ItemId();
                newItemInventory.InventoryDate = DateTime.Today;
                newItemInventory.Quantity      = 0;
                db.MstItemInventories.InsertOnSubmit(newItemInventory);
                db.SubmitChanges();

                return(newItemInventory.Id);
            }
            catch (Exception e)
            {
                return(0);
            }
        }
        public int Post(Models.MstItemInventory iteminventory)
        {
            try
            {
                var date = DateTime.Now;

                Data.MstItemInventory newItemInventory = new Data.MstItemInventory();

                //
                newItemInventory.ItemId = iteminventory.ItemId;
                newItemInventory.InventoryDate = Convert.ToDateTime(iteminventory.InventoryDate);
                newItemInventory.Quantity = iteminventory.Quantity;
                //

                db.MstItemInventories.InsertOnSubmit(newItemInventory);
                db.SubmitChanges();

                return newItemInventory.Id;
            }
            catch
            {
                return 0;
            }
        }