public static void RefreshItemNumberDescription()
        {
            ItemDatabase db = new ItemDatabase();
            var itemDescriptions = db.GetItemNumberDescriptions();

            CacheItemPolicy cacheItemPolicy = new CacheItemPolicy();
            cacheItemPolicy.AbsoluteExpiration = DateTime.Now.AddDays(1);
            cache.Set("ItemNumberDescriptions", itemDescriptions, cacheItemPolicy);
        }