//檢查是否有此筆商品
        private static Boolean Checkdata()
        {
            var ss     = ProdSearch_KeywordDialog.getnonLuisKeyword();
            var result = MessagesController.ltProd.FindAll(x => x.Name.Contains(ProdSearch_KeywordDialog.getnonLuisKeyword()));

            if (result.Count.Equals(0))
            {
                return(false);
            }
            else
            {
                return(true);
            }
        }
 /// <summary>
 /// 搜尋商品
 /// 1.判斷是以 "關鍵字" 或是 "險種" 進行搜尋
 /// 2.1 關鍵字--> 檢查是否有與關鍵字符合的 "商品名稱"
 ///     否--> 搜尋 LUIS 判斷出來的商品 "類別"
 ///     是--> 搜尋商品符合 "關鍵字" 且與LUIS判別結果相同的 "類別"
 /// 2.2 類別--> 搜尋 LUIS 判別出來的商品類別
 /// </summary>
 /// <returns></returns>
 private static IList <Attachment> GetProdAttachment()
 {
     if (ProdSearchDialog.GetProdSearchSelc().Equals("關鍵字"))
     {
         var result = MessagesController.ltProd.FindAll(x => x.Cata.Contains(keyword));
         int count  = 0;
         if (Checkdata())
         {
             result = MessagesController.ltProd.FindAll(x => x.Cata.Contains(keyword) && x.Name.Contains(ProdSearch_KeywordDialog.getnonLuisKeyword()));
         }
         //var result = MessagesController.ltProd.FindAll(x => x.Cata.Contains(keyword) && x.Name.Contains(keyword));
         List <Attachment> list = new List <Attachment>();
         foreach (var item in result)
         {
             if (count < 10)
             {
                 list.Add(
                     GetProduct(item.Name.ToString(), item.Cata.ToString() + "  " + item.PublishDate.ToString(), new CardImage(url: item.ImgURL.ToString()), new CardAction(ActionTypes.OpenUrl, "查看更多", value: item.DMURL.ToString()))
                     );
             }
             count++;
         }
         count = 0;
         return(list);
     }
     else
     {
         var result             = MessagesController.ltProd.FindAll(x => x.Cata.Contains(keyword));
         int count              = 0;
         List <Attachment> list = new List <Attachment>();
         foreach (var item in result)
         {
             if (count < 10)
             {
                 list.Add(
                     GetProduct(item.Name.ToString(), item.Cata.ToString() + "  " + item.PublishDate.ToString(), new CardImage(url: item.ImgURL.ToString()), new CardAction(ActionTypes.OpenUrl, "查看更多", value: item.DMURL.ToString()))
                     );
             }
             count++;
         }
         count = 0;
         return(list);
     }
 }