I am not sure I understand your scenario or what exactly you are trying to achieve. If you are showing a tooltip on every page load are you using the VisibleOnPageLoad
For your convenience I created and attached a simple page that shows a tooltip every time a page is loaded/refreshed. Here is a video with the expected behavior: http://screencast.com/t/QcCs07YNUqB
I hope this helps you advance in your project.
All the best,
the Telerik team