public ActionResult UpdateCheckpointOrder(int ID, int startingNumber)
{
CheckpointOrderModel model = (CheckpointOrderModel)Session["checkpoint"];
model.UpdateCheckpointOrderDB(ID, startingNumber);
CheckpointOrder origCheckpointOrder = CheckpointOrderModel.GetCheckpointOrderById(ID);
TimeMergerModel.Merge(origCheckpointOrder.CheckpointID.Value);
return Content(model.CheckpointOrderDic.ToListboxvalues(toTimer: false));
}