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How to maintain the SelectedIndex of the picker when loaded inside SfListView?

Platform: Xamarin.Forms |
Control: SfListView |
Published Date: June 25, 2018 |
Last Revised Date: July 20, 2018

The SelectedIndex property of the picker control will not be maintained when loaded inside the ItemTemplate of SfListView. This is because while scrolling down the list, the elements created in the View will be recycled and only the BindingContext of the SfListView item will be updated. Since BindingContext is not set for SelectedIndex, its value gets reused while scrolling. However, you can overcome this by binding the SelectedIndex property.

 

XAML

 

You can assign a value to a property in the data model and bind the value to SelectedIndex property as like below code snippets.  

C#

 

You can also add items into collection for binding picker items as like below code snippets. 

C#

 

Click here to download the sample.

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