private void autocomplete_ValueChanged(object sender, Syncfusion.SfAutoComplete.XForms.ValueChangedEventArgs e)
 {
     if (!String.IsNullOrEmpty(e.Value))
     {
         dataGrid.ItemsSource = deviceViewModel.deviceForApprovalsObservable.Where(x =>
                                                                                   (x.DeviceType.StartsWith(e.Value) ||
                                                                                    x.Manufucturer.StartsWith(e.Value) ||
                                                                                    x.Model.StartsWith(e.Value)));
     }
     else
     {
         dataGrid.ItemsSource = deviceViewModel.deviceForApprovalsObservable;
     }
 }
        private void peoplePickercrew2email_ValueChanged(object sender, Syncfusion.SfAutoComplete.XForms.ValueChangedEventArgs e)
        {
            var found  = App.validatePeoplePicker(e.Value);
            var picker = ((SfAutoComplete)sender);

            if (found == null)
            {
                PeoplePickercrew1email = null;

                if (!string.IsNullOrEmpty(e.Value))
                {
                    picker.BorderColor = Color.OrangeRed;
                }
            }
            else
            {
                PeoplePickercrew1email = found;
                picker.BorderColor     = Color.Green;
            }
        }