/// <summary>
        /// 批量删除问卷
        /// </summary>
        /// <param name="vguidList">勾选问卷Vguid数组</param>
        /// <returns></returns>
        public JsonResult DeletedQuestion(string[] vguidList)
        {
            var models = new ActionResultModel <string>();

            models.isSuccess = false;

            models.isSuccess   = _el.DeletedQuestion(vguidList);
            models.respnseInfo = models.isSuccess == true ? "1" : "0";

            return(Json(models, JsonRequestBehavior.AllowGet));
        }