OnClientMouseOver
The mouseOver event is fired when the user moves the mouse pointer over the control.
The event handler receives two parameters:
The instance of the clicked RadLinkButton control
An eventArgs parameter of type Telerik.Web.UI.ButtonEventArgs.
<script type="text/javascript">
function mouseOver(sender, args) {
window.alert("You have moved mouse over the button");
}
</script>
<telerik:RadLinkButton ID="RadLinkButton1" runat="server" Text="Navigate to Page" OnClientMouseOver="mouseOver" NavigateUrl="https://www.telerik.com">
</telerik:RadLinkButton>