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GalaSoft data binding


try to bind the ItemsSource of a BarSeries to a collection of my ViewModel. I have the following code:

_barSeries = new BarSeries {
    ListenPropertyChange = true,
    XBindingPath = nameof(ChartData.Name),
    YBindingPath = nameof(ChartData.Value),
    TooltipEnabled = true,
    EnableAnimation = true,
    AnimationDuration = 0.8

var test = this.SetBinding(() => ViewModel.ChartCollection, () => _barSeries.ItemsSource);
But the chartview doesn't show anything. Is it possible to do a data binding with Xamarin.Android SfChart? Any suggestions? Thank you.

3 Replies

RA Rachel A Syncfusion Team July 2, 2019 05:19 AM UTC

Hi Markus, 
Thanks for contacting Syncfusion Support. 
We have analyzed your code snippet and tried to bind the ItemSource of a BarSeries to a collection of ViewModel. But we are unable to bind the ItemSource property as it is of type IEnumerable. So, we have achieved your requirement by creating a custom class inheriting BarSeries and creating a property of type ObservableCollection and binding that property to ViewModel collection. We have attached the sample for your reference, and it can be downloaded from the below link. 
Code snippet [C#] - BarSeriesExt 
public class BarseriesExt : BarSeries 
    private ObservableCollection<ChartData> data; 
    public ObservableCollection<ChartData> Data 
        get { return data; } 
            if (data != value) 
                data = value; 
                ItemsSource = data; 
Code snippet [C#] – MainActivity.cs 
this.SetBinding(() => Vm.BarData, () => Series.Data); 
Please let us know if you have any concerns. 

MA Markus July 2, 2019 06:21 AM UTC

Thank you, for your reply. With this hint, I can add my bindings.

RA Rachel A Syncfusion Team July 2, 2019 06:30 AM UTC

Hi Markus, 
Thanks for the update. 
Please revert to us if you have any queries. 

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