Thanks for writing and please excuse us for the delay with our answer.
The way DataBoundListBox currently works implies that the item which is brought into view is positioned at the top of the viewport. Since the Header item is just a service item which is not part of the source collection, it cannot be used in the BringIntoView context.
The idea of introducing a special item in your source with a custom template is a good one. You can simply inherit from your standard view-models, add a property which defines the header content and use it in the header template in the Template Selector you will implement.
Let me know if you need further assistance here.
the Telerik team
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