private List <DSS.Models.TimeSlotVM> GetTimeSlots()
        {
            ITimeSlotService timeSlotService = DependencyUtils.Resolve <ITimeSlotService>();
            var TimeSlotList = timeSlotService.Get().ToList();
            var TimeSlotVMs  = new List <DSS.Models.TimeSlotVM>();

            if (TimeSlotList != null)
            {
                foreach (var item in TimeSlotList)
                {
                    var timeSlotVM = new DSS.Models.TimeSlotVM
                    {
                        SlotID    = item.SlotID,
                        StartTime = item.StartTime.ToString(),
                        EndTime   = item.EndTime.ToString(),
                    };
                    TimeSlotVMs.Add(timeSlotVM);
                }
            }
            return(TimeSlotVMs);
        }