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The OnMouseOver client-side event handler is called when the mouse moves over the input area of the control.

Two parameters are passed to the event handler:

  • sender is the input control.

  • eventArgs is an instance of Sys.EventArgs.

The following example uses the OnMouseOver event to display an alert:

<telerik:RadMaskedTextBox RenderMode="Lightweight" ID="RadMaskedTextBox1" runat="server">
    <ClientEvents OnMouseOver="MouseOver" />
<script type="text/javascript">
    function MouseOver(sender, eventArgs)

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