RadControls for ASP.NET AJAX
The OnFocus client-side event handler is called when the input control gets focus.
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The OnFocus event is supported by all RadInput controls, if they are not ReadOnly.
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Two parameters are passed to the event handler:
The following example uses the OnFocus event to show an alert:
CopyASPX
<telerik:RadTextBox ID="RadTextBox1" runat="server">
<ClientEvents OnFocus="Focus" />
</telerik:RadTextBox>CopyJavaScript
<script type="text/javascript">
function Focus(sender, eventArgs)
{
alert(sender.get_id());
}
</script>
See Also