public string InsertExam([FromBody] object value)
        {
            ResultObject resultt = new ResultObject();

            try
            {
                if (value != null && value.ToString().Count() > 0)
                {
                    var exam   = JsonConvert.DeserializeObject <Exam>(value.ToString());
                    var result = services.Insert(exam);
                    return(JsonConvert.SerializeObject(result));
                }
                return("FALSE");
            }
            catch (Exception e)
            {
                resultt.Message = "EXCEPTION: " + e.Message + "Stack: " + e.StackTrace;
                return(JsonConvert.SerializeObject(resultt));
            }
        }