where do i put the code in aspx page if i want to display hover menu,,if i put anywhere in aspx page its throwing errors
the code is
<ajaxToolkit:HoverMenuExtender ID="hme2" runat="Server"
TargetControlID="GridView1"
PopupControlID="PopupMenu"
HoverCssClass="popupHover"
PopupPosition="Left"
OffsetX="0"
OffsetY="0"
PopDelay="50" />
errors like unrecoganized tag filter 'ajaxToolkit' ,,,this name contain upper case character which is not allowed,,like that