public ActionResult New(int low, int high)
        {
            Guid id   = Guid.NewGuid();
            Roll roll = new Roll();

            roll.Id = id;
            roll.RollRangeBoundaryBottom = low;
            roll.RollRangeBoundaryTop    = high;
            RollManagement rollManagement = new RollManagement();

            rollManagement.add(roll);
            return(Redirect("~/Home/Roll/" + id.ToString()));
        }