ITimeU.Controllers.TimeStartnumberController.AddStartnumber C# (CSharp) Method

        public ActionResult AddStartnumber(int checkpointId, string startnumber, int runtime)
        {
            int startnr;
            if (!int.TryParse(startnumber, out startnr))
                startnr = 0;
            var timeStartnumberModel = (TimeStartnumberModel)Session["TimeStartnumber"];
            timeStartnumberModel.AddStartnumber(checkpointId, startnr, runtime);
            Session["TimeStartnumber"] = timeStartnumberModel;
            TimeMergerModel.Merge(checkpointId);
            return Content(timeStartnumberModel.CheckpointIntermediates[timeStartnumberModel.CurrentCheckpointId].ToListboxvalues());
        }