/// <summary>
        /// 保存问卷信息(主信息、详细信息)
        /// </summary>
        /// <param name="questionMainModel"></param>
        /// <returns></returns>
        public JsonResult SaveQuestionMain(Business_Questionnaire questionMainModel, bool isEdit, string questionData)
        {
            var models = new ActionResultModel <String>();

            models.isSuccess   = false;
            models.isSuccess   = _el.SaveQuestionMain(questionMainModel, isEdit, questionData);
            models.respnseInfo = models.isSuccess == true ? "1" : "0";
            return(Json(models, JsonRequestBehavior.AllowGet));
        }