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The OnClientProgressStarted client-side event occurs when the RadProgressManager starts monitoring progress.

The event handler receives a single parameter:

  1. The instance of the RadProgressManager that is monitoring progress.

The following example uses the OnClientProgressStarted event to notify the user when progress monitoring starts:

<telerik:radprogressmanager runat="server" id="RadProgressManager1" onclientprogressstarted="progressStarted" />
<script type="text/javascript">
    function progressStarted(radProgressManager) {
        alert("Progress monitoring has started....");
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