private async void showPrePaidCardMessage(string memberid, string pincode)
        {
            MessageDialog dialog = new MessageDialog("プリペイドカードの情報を取得たいですか?", "メッセージ");

            dialog.Commands.Add(new UICommand("Yes", async cmd => {
                showLoading();
                JsonAnalyst result;
                JsonAnalyst memberInfoResult;
                string memberType  = "";
                string money       = "";
                string point       = "";
                string pointCanUse = "";
                try {
                    result           = await new HttpCaller().CallAppService(RequestParam.getGoldUserParam(memberid), RequestParam.getGoldUserUrl());
                    memberInfoResult = await new HttpCaller().CallAppService(RequestParam.get4URequestParam(memberid, pincode), RequestParam.get4URequestURL());
                    money            = memberInfoResult.GetFourthLevelValue("CurrentState", "Transaction", "PrepayedCardInfo", "AmountsAvailable");
                    point            = memberInfoResult.GetFourthLevelValue("CurrentState", "Transaction", "PointCardInfo", "AmountsAvailable");
                    if ("".Equals(point))
                    {
                        point = "0";
                    }
                    string courtesyLevel = memberInfoResult.GetFourthLevelValue("CurrentState", "Transaction", "PointCardInfo", "CourtesyLevel");
                    if (int.Parse(courtesyLevel) % 2 == 0)
                    {
                        pointCanUse = "〇";
                    }
                    else
                    {
                        pointCanUse = "×";
                    }
                    if ("true".Equals(result.GetFirstLevelValue("success").ToLower()))
                    {
                        string isGoldUser = result.GetSecondLevelValueFromArray("data", "isGoldUser", 0).ToLower();
                        if ("true".Equals(isGoldUser))
                        {
                            memberType = "Gold User";
                        }
                        else
                        {
                            memberType = "非Gold User";
                        }
                    }
                    else if (result == null || "false".Equals(result.GetFirstLevelValue("success").ToLower()))
                    {
                        memberType = "error";
                    }
                } catch (Exception ex) {
                    memberType  = "error";
                    money       = "error";
                    point       = "error";
                    pointCanUse = "error";
                } finally {
                    hideLoading();
                    showMemberInfo(memberid, memberType, money, point, pointCanUse);
                }
            }, commandId: 0));
            dialog.Commands.Add(new UICommand("No", cmd => { }, commandId: 1));
            await dialog.ShowAsync();
        }