Thank you for your question.
RadLoopingList resets its panel when its DataSource is changed, so you can set it to a new LoopingListDataSource and then turn it back to your collection. In addition, if you want to remove the current selection you can set the SelectedIndex property to -1.
I hope this information helps. If it does not solve your issue, I would kindly like to ask you to prepare a sample project reproducing the undesired behavior, so I could examine it and assist you further.
Please note that you will have to open a new support ticket in order to attach a project.
All the best,
the Telerik team
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