public bool InsertFeedBack()
        {
            var request = HttpContext.Request;

            byte[] requestData = new byte[(int)request.ContentLength];
            request.Body.Read(requestData, 0, requestData.Length);

            var input = Encoding.UTF8.GetString(requestData);

            SqlDbHelper sqlDbHelper = new SqlDbHelper();

            sqlDbHelper.ConnectionString = strMySqlConn;

            var flaws = JsonConvert.DeserializeObject <List <FlawInfoFeedBack> >(input);

            if (flaws.Count > 0)
            {
                foreach (var f in flaws)
                {
                    sqlDbHelper.AddOrUpdate <FlawInfoFeedBack>(f);
                }
            }

            return(true);
        }