protected async override void DeleteSelected()
        {
            if (
               MessageBox.Show("Are you sure you want to delete this Shift?",
                                    "Agrimanagr: Delete Shift", MessageBoxButton.YesNo) ==
                    MessageBoxResult.No) return;

            using (var c = NestedContainer)
            {
                
                var response = new ResponseBool() { Success = false };
                if (SelectedShift == null) return;
                _proxy = Using<IDistributorServiceProxy>(c);
                response = await _proxy.ShiftDeleteAsync(SelectedShift.Id);
                if (response.Success)
                {
                    var shift = Using<IShiftRepository>(c).GetById(SelectedShift.Id);
                    Using<IShiftRepository>(c).SetAsDeleted(shift);

                    MessageBox.Show(response.ErrorInfo, "Agrimangr:Manage Shift", MessageBoxButton.OK,
                                    MessageBoxImage.Information);
                }
            }
        }