When you are using a RadToolTipManager control and you want to show details you can load the content with the details in two manners:
1) By using AJAX and the OnAjaxUpdate event as shown in the demos below:
2) By using WebService as explained below:
In the provided code snippet I can only see that you attach the tooltips but I do not see where you actually load any content in them. Please examine the provided links and choose one of the approaches to load the tooltip content. If you have any further questions, do not hesitate to contact us again.
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