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This article demonstrates how you can use the OnClientDataBound event to execute a script when the data binding of RadSlider is finished.

The only parameter the event handler receives is the client-side object of the slider that fired the event.

You can check in Example 1 how this event can be used for notifying the user that the data binding of the slider is finished.

Example 1: Using the OnClientDataBound event.

<script type="text/javascript">
    function sliderDataBound(sender) {
        $get("message").innerHTML = "RadRotator control is data bound with " + sender.get_itemData().length + " items!";
<telerik:RadClientDataSource runat="server" ID="RadClientDataSource1" PageSize="10" AllowPaging="true">
        <WebServiceDataSourceSettings BaseUrl="">
            <Select Url="Meetings" DataType="JSONP" />
<telerik:RadSlider RenderMode="Lightweight" runat="server" ID="RadSlider2" Width="800px" Height="100px" ItemType="Item" 
    ClientDataSourceID="RadClientDataSource1" OnClientDataBound="sliderDataBound">
    <ItemBinding TextField="Title" ToolTipField="Description" ValueField="Date"></ItemBinding>
<span id="message"></span>  

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