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Version Q2 2011 released 07/12/2011
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Rotator / Client-side Events

Event log:
  • Friday, July 18, 2008
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  • Client-Side Events

    RadRotator offers a number of client events that developers can use.

    • OnClientItemClicked - raised after an item is clicked
    • OnClientMouseOver - raised when the mouse hovers over an item
    • OnClientMouseOut - raised after the mouse leaves an item
    • OnClientItemShowing - raised when an item is about to be shown
    • OnClientItemShown - raised after an item has been shown

Source Code

C# VB.NET
Show code in new window Demo isolation steps
  • <%@ Page AutoEventWireup="true" Inherits="Telerik.Web.Examples.Rotator.ClientAPI.DefaultVB"
        CodeFile="DefaultVB.aspx.vb" Language="vb" %>

    <%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>
    <%@ Register TagPrefix="qsf" Namespace="Telerik.QuickStart" %>
    <%@ Register TagPrefix="qsf" TagName="Header" Src="~/Common/Header.ascx" %>
    <%@ Register TagPrefix="qsf" TagName="HeadTag" Src="~/Common/HeadTag.ascx" %>
    <%@ Register TagPrefix="qsf" TagName="Footer" Src="~/Common/Footer.ascx" %>
    <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
    <html xmlns="http://www.w3.org/1999/xhtml">
    <head runat="server">
        <qsf:HeadTag runat="server" ID="Headtag1"></qsf:HeadTag>
        <style type="text/css">
            .itemTemplate
            {
                width: 320px;
                height: 60px;
            }
        </style>
    </head>
    <body class="BODY">
        <form runat="server" id="mainForm" method="post">
        <qsf:Header ID="Header1" runat="server" NavigationLanguage="VB" />
        <telerik:RadScriptManager ID="ScriptManager1" runat="server">
        </telerik:RadScriptManager>
        <div class="module" style="float: right; margin-right: 20px;">
            <b>Event log:</b><br />
            <div id="event_log" style="width: 300px; height: 200px; overflow: auto;">
            </div>
        </div>
        <telerik:RadRotator ID="RadRotator1" runat="server" OnClientItemShowing="itemShowing_handler"
            OnClientItemShown="itemShown_handler" OnClientItemClicked="itemClicked_handler"
            OnClientMouseOver="mouseOver_handler" OnClientMouseOut="mouseOut_handler" DataSourceID="xmlDataSource1"
            Height="60px" ItemHeight="60px" Width="320px" ItemWidth="320px">
            <ItemTemplate>
                <div class="itemTemplate">
                    <%# XPath("Date") %>
                    <br />
                    <%# XPath("Title") %>
                </div>
            </ItemTemplate>
        </telerik:RadRotator>
        <asp:XmlDataSource ID="xmlDataSource1" runat="server" DataFile="news.xml"></asp:XmlDataSource>

        <script type="text/javascript">
            //<![CDATA[
            function mouseOver_handler(sender, args)
            {
                log(sender.get_id() + " mouse is over a rotator item");
            }

            function mouseOut_handler(sender, args)
            {
                log(sender.get_id() + " mouse has left the rotator item");
            }

            function itemClicked_handler(sender, args)
            {
                log(sender.get_id() + " item was clicked. Item index is " + args.get_item().get_index());
            }

            function itemShowing_handler(sender, args)
            {
                log(sender.get_id() + " is about to change a frame");
            }

            function itemShown_handler(sender, args)
            {
                log(sender.get_id() + " has changed a frame");
            }

            var isGreen = false;
            function log(text)
            {
                var event_log = document.getElementById("event_log");
                if (isGreen)
                {
                    event_log.innerHTML = "<span style='background-color:#F0F0F0; width:200px'>" + text + "</span>\x3cbr/\x3e" + event_log.innerHTML;
                    isGreen = false;
                }
                else
                {
                    event_log.innerHTML = "<span style='width:200px'>" + text + "\x3cbr/\x3e" + "</span>" + event_log.innerHTML;
                    isGreen = true;
                }
            }
            //]]>
        </script>

        <qsf:Footer runat="server" ID="Footer1" />
        </form>
    </body>
    </html>

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