private void DeleteRepair(Repair e)
        {
            DataServiceRepair dsRepair = new DataServiceRepair();

            RepairList.Remove(e);
            dsRepair.DeleteRepair(e);
        }
        private void AddRepair()
        {
            Repair rep = new Repair();

            rep.Tour = this.Tour;
            this.Tour.Repair.Add(rep);
            DataServiceRepair dsRep = new DataServiceRepair();

            dsRep.addRepair(rep);
            RepairList.Add(rep);
        }