public JsonResult SaveRoomMaterial(string dataJson, Room model)
        {
            var apiResult = new APIResult();

            try
            {
                var data = new System.Web.Script.Serialization.JavaScriptSerializer().Deserialize <List <DisposableMaterial> >(dataJson);

                RoomBll.SaveRoomMaterial(data, model);
            }
            catch (Exception ex)
            {
                apiResult.Ret = -1;
                apiResult.Msg = ex.Message;
                if (!(ex is OperationExceptionFacade))
                {
                    LogFactory.GetLogger().Log(LogLevel.Error, ex);
                }
            }

            return(Json(apiResult));
        }