protected override async void OnViewLoadedAsyncExecute()
        {
            IsBusy = true;
            var dataTable = await _service.GetAllAsync();

            SetDataSource(metroGrid1, dataTable);
            var roles = await _roleService.GetLookUps();

            SetDataSource(cmbRole, roles);
            SetDataSource(cmbActive, NameValuePairCollection.BooleanDataSource);
            IsBusy = false;
        }