In your case you'll have to wait until the RadTileView generate the containers of the items and manually subscribe for their events in code behind.
For further references could you please examine the attached project and if you have more questions feel free to ask.
the Telerik team
Do you want to have your say when we set our development plans?
Do you want to know when a feature you care about is added or when a bug fixed?
Telerik Public Issue Tracking
system and vote to affect the priority of the items