Thank you for the question.
The best solution for you would be to use our RadScrollViewer element. This is an important part of Telerik Presentation Framework since it allows you to easily achieve scrolling behavior just by giving a number of items. This approach is demonstrated in the sample project attached to my message. Feel free to modify this project according to your custom requirements.
I hope this helps. If you have additional questions, feel free to contact me.
the Telerik team
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