This is the code I'm using listed below. The version I'm using is 2010.3.1215.40
<%
@ Page Language="vb" AutoEventWireup="false" CodeBehind="WebForm1.aspx.vb" Inherits="WebApplication2.WebForm1" %>
<%
@ Register Assembly="Telerik.Web.UI" Namespace="Telerik.Web.UI" TagPrefix="telerik" %>
<!
DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<
html xmlns="http://www.w3.org/1999/xhtml">
<
head runat="server">
<title></title>
</
head>
<
body>
<form id="form1" runat="server">
<telerik:RadScriptManager ID="RadScriptManager1" runat="server">
</telerik:RadScriptManager>
<telerik:RadListBox ID="RadListBox1" runat="server" Width="190px" Height="130px"
TransferToID="RadListBox2" AllowTransfer="true"
AutoPostBackOnTransfer="true" EnableDragAndDrop="true" AllowTransferOnDoubleClick="true">
<Items>
<telerik:RadListBoxItem Text="RadListBoxItem1" />
<telerik:RadListBoxItem Text="RadListBoxItem2" />
<telerik:RadListBoxItem Text="RadListBoxItem3" />
<telerik:RadListBoxItem Text="RadListBoxItem4" />
<telerik:RadListBoxItem Text="RadListBoxItem5" />
<telerik:RadListBoxItem Text="RadListBoxItem6" />
<telerik:RadListBoxItem Text="RadListBoxItem7" />
<telerik:RadListBoxItem Text="RadListBoxItem8" />
</Items>
</telerik:RadListBox>
<telerik:RadListBox ID="RadListBox2" runat="server" Width="190px" Height="130px">
</telerik:RadListBox>
</form>
</
body>
</
html>