private void AddPoint(string x, string y)
        {
            bool judge = bll.AddNHQSMX(x, y, tableName);

            if (judge)
            {
                count = 1;
            }
            object obj = new
            {
                count = count
            };

            string result = JsonConvert.SerializeObject(obj);

            Response.Write(result);
            Response.End();
        }