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Version Q2 2011 released 07/12/2011
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Rotator / Random Order


  • Telerik RadRotator


    Telerik RadRotator can be configured to shows random items by setting its EnableRandomOrder="true" property. If this property is set to true then, the third item can be shown first, for example. This does not change the item's index, however, and if the first item is clicked (and it is actually the third one in the rotator's item collection) its index will be 2 (the indexes start from 0)

    In this example, RadRotator shows the content of a directory. The images are loaded using the GetFilesInFolder method, shown in the codebehind file.

Source Code

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

    <%@ 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" %>
    <%@ Register TagPrefix="telerik" Namespace="Telerik.QuickStart" %>
    <%@ Register TagPrefix="telerik" Namespace="Telerik.Web.UI" Assembly="Telerik.Web.UI" %>
    <!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 ID="Headtag1" runat="server" />
        <style type="text/css">
            .itemTemplate
            {
                width: 58px;
                height: 92px;
                margin: 0 4px;
            }
            .rotatorBackground
            {
                background: url('back.jpg');
                margin-left: auto;
                margin-right: auto;
                width: 605px;
                height: 93px;
                font-family: Arial;
                padding-top: 18px;
            }
            .horizontalRotator
            {
                margin-left: auto;
                margin-right: auto;
            }
        </style>
    </head>
    <body class="BODY">
        <form id="Form1" method="post" runat="server">
        <qsf:Header ID="Header1" runat="server" NavigationLanguage="VB" />
        <telerik:RadScriptManager ID="ScriptManager1" runat="server">
        </telerik:RadScriptManager>
        <telerik:ConfiguratorPanel runat="server" ID="ConfigurationPanel1" Enabled="true"
            Title="EnableRandomOrder property forces RadRotator control to shows random items"
            Expanded="true" Style="text-align: left;" HorizontalAlign="Right">
            <p>
    <asp:CheckBox ID="chbEnableRandomOrder" runat="server" Text="EnableRandomOrder" Checked="true"
    AutoPostBack="true" OnCheckedChanged="chbEnableRandomOrder_CheckedChanged" />
            </p>
        </telerik:ConfiguratorPanel>
        <telerik:RadAjaxPanel ID="RadAjaxPanel1" runat="server" LoadingPanelID="LoadingPanel1">
            <div class="mainDiv">
                <div class="rotatorBackground">
                    <telerik:RadRotator ID="RadRotator1" runat="server" Width="392px" Height="92px" CssClass="horizontalRotator"
                        ScrollDuration="500" FrameDuration="2000" ItemHeight="92" ItemWidth="66" EnableRandomOrder="true"
                        PauseOnMouseOver="false" Skin="Windows7">
                        <ItemTemplate>
                            <div class="itemTemplate">
                                <asp:Image ID="Image1" runat="server" ImageUrl='<%# Container.DataItem %>' AlternateText="<%# VirtualPathUtility.GetFileName(Container.DataItem.ToString()) %>" />
                            </div>
                        </ItemTemplate>
                    </telerik:RadRotator>
                </div>
            </div>
            <telerik:RadFormDecorator ID="RadFormDecorator1" runat="server" DecoratedControls="All"
                Skin="Windows7" EnableRoundedCorners="true" />
        </telerik:RadAjaxPanel>
        <qsf:Footer runat="server" ID="Footer1" />
        </form>
    </body>
    </html>

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