Hi Ondrej,
We are glad to announce that our Essential Studio 2019 Volume 2 Beta Release version 17.2.0.28 is rolled out with the mentioned feature “ItemSourceSelector for GridMultiColumnDropDownList” and is available for download under the following link.
Please refer the below code example and sample location,
C#:
|
public class ItemsSourceSelector : IItemsSourceSelector
{
public IEnumerable GetItemsSource(object record, object dataContext)
{
if (record == null)
return null;
var orderinfo = record as OrderDetails;
var countryName = orderinfo.ShipCountry;
var viewModel = dataContext as ViewModel;
//Returns ShipCity collection based on ShipCountry.
if (viewModel.ShipCities.ContainsKey(countryName))
{
ObservableCollection shipCities = null;
viewModel.ShipCities.TryGetValue(countryName, out shipCities);
return shipCities.ToList();
}
return null;
}
} |
XAML:
|
<Window.Resources>
<local:ItemsSourceSelector x:Key="itemSourceSelector" />
Window.Resources>
<syncfusion:GridMultiColumnDropDownList AllowEditing="True" HeaderText="ShipCity" DisplayMember="ShipCityName"
ItemsSourceSelector="{StaticResource itemSourceSelector}"
MappingName="ShipCityID" ValueMember="ShipCityID"/> |
Note: This issue fix will be included in our main release as well, which is expected to be available by mid of July 2019.
We thank you for your support and appreciate your patience in waiting for this release. Please get in touch with us if you would require any further assistance.
Regards,
Farjana Parveen A
