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How to navigate to other page with data point information of selected data in Xamarin.Forms SfChart?

Chart provides selection support for data points on touch or by using SelectedDataPointIndex property of ChartSeries to programmatically select a data pooint. You can enable the selection behavior for any series using EnableDataPointSelection property. Chart’s SelectionChanged event will notify to the user when selection changed. This event contains selected index, previous selected index and selected series. Please refer the below code snippets to enable data point selection, hooking the SelectionChanged event and navigating to another page with the selected data point information when selection changed.

 

Code snippets for enabling data point selection:

 

Xaml

 

 

C#

 

                       

Code snippets to hook SelectionChanged event:

 

Xaml

 

 

C#

 

 

Code snippet to navigate to other page with the information of selected data point:

 

C#

 

 

By default, selected segment is highlighted with a color. You can stop applying the selected segment color by cancelling the selection before navigating to other page in SelectionChanging event. Please refer the below code snippet.

 

C#

 

 

 

Article ID: Published Date: Last Revised Date: Platform: Control:
8704 04/16/2018 10/26/2018 Xamarin.Forms SfChart
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Comments
wei chun Oct 11, 2018

Can u help me I follow the step but the selected data point index still remain 0.

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