How to use Ajax : Hovermenu Extender in ASP.NET

// It is a simple method, Other properties set by you which you want

Step 1. Take the control that the extender is targeting.When the mouse cursor is over this control,the hover menu popup will be displayed.
Step 2. Take one panel to display when mouse is over the target control
Step 3. Set the following properties:
TargetControlID = "ID of the panel or control which display when mouse is over the target control"
PopupControlID = "ID of the control that the extender is targeting"
PopupPosition = Left (Default), Right, Top, Bottom, Center.