Indeed, I was able to replicate the problem that you are referring to. I have forwarded the problem to our developer team and logged it in our public port:
In the link above you can vote for the bug fix and track its status. In addition, as a token of gratitude for pointing that issue out, I have updated your Telerik Points.
You can, however, use our 2016 Q1 release, where this issue is not present.
Please excuses for the inconveniences caused by the inability top handle the SelectedIndexChanged in our 2016 Q1 SP1 release.
Do you need help with upgrading your ASP.NET AJAX, WPF or WinForms projects? Check the Telerik API Analyzer
and share your thoughts.