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How to make the tooltip to display x and y values together or any other value from the underlying model?

Platform: WinRT |
Control: SfChart |
Published Date: July 21, 2015 |
Last Revised Date: June 27, 2019


This article describes how to customize the tooltip by overriding its default template and the how to display any other value from the items source.


The tooltip in the SfChart can be customized by using the TooltipTemplate property of the DataTemplate. You need to use a converter to get the underlying values from the ChartSegment that comes as DataContext for this data template.


        <local:Converter x:Key="conver"/>
        <DataTemplate x:Key="toolTip1">
<TextBlock Text= "{Binding Converter={StaticResource conver}}" FontWeight="Thin" FontStretch="Expanded" FontFamily="Segoe UI" Background="DarkBlue" Foreground="White" FontSize="19"/>
<syncfusion:ColumnSeries x:Name="sampleSeries" Label="Gold"
                         ItemsSource="{Binding Computers}"
<!--ToolTip enabled and TooltipTemplate template is assigned with DataTemplate-->
                         TooltipTemplate="{StaticResource toolTip1}"


//ToolTip enabled and TooltipTemplate template is assigned with DataTemplate.
sampleChart.Series[0].ShowTooltip = true;
sampleChart.Series[0].TooltipTemplate = Resources["toolTip1"] as DataTemplate;


    public class Converter : IValueConverter
public object Convert(object value, Type targetType, object parameter,    System.Globalization.CultureInfo culture)
         return string.Format("{0}, {1}", ((value as ChartSegment).Item as Model).Country, 
                             ((value as ChartSegment).Item as Model).Gold );
         //Here ‘Item’ retrieves the corresponding data point model instance to get the required values.
public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
            throw new NotImplementedException();

The following screenshot illustrates the output with the tooltip that shows the x and y values of the segments.


Chart tooltip displaying the X and Y values of the underlaying model of the current data point in WPF

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