On Chrome32 - it introduced quite some bugs and we are actively working on working around them. The Q3 2013 SP2 release will contain fixes and should work as expected.
In the meantime you can try the following:
- increase the HideDelay property to, for example, 800ms
- set the HideEvent to LeaveTargetAndTooltip or even ManualClose to see if this helps
- set the AutoCloseDelay to 0 to disable automatic hiding on an interval
On general issues with AJAX load-on-demand - please examine the following article and more precisely, the "The Tooltip hides when content arrives
" section: http://www.telerik.com/help/aspnet-ajax/tooltip-troubleshooting-common-issues.html
. It explains common reasons for this behavior that are usually due to an incorrect AJAX setup.
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