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Having an option to select only one item from each group when using grouping
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This is a migrated thread and some comments may be shown as answers.
Usman
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Usman asked on 03 Aug 2020, 02:23 PM

Dear Telerik team,

I would like to know that if it is possible to allow selecting a single item from each group when list box is in group mode.

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Dinko
Telerik team
answered on 06 Aug 2020, 09:37 AM

Hi Usman,

Thank you for your interest in our RadListBox control.

This behavior is not supported by the control out of the box. However, you can achieve it using custom code. In a few words, you can subscribe to the SelectionChanged event of the RadListBox and create custom logic that handles this scenario. 

I have created a sample project which demonstrates such customization. You can modify the approach so it fits in your application.

Regards,
Dinko
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Dinko
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