<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %>

<%@ 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">
    <div>
   
        <telerik:RadScriptManager ID="RadScriptManager1" Runat="server">
        </telerik:RadScriptManager>
   
    </div>
    <telerik:RadTabStrip ID="RadTabStrip1" runat="server">
        <Tabs>
           
        </Tabs>
        <TabTemplate>
        <table>
        <tr>
            <td>
                <asp:HyperLink ID="HyperLink1" Target="IFrm1" NavigateUrl='<%# DataBinder.Eval(Container.DataItem, "Url") %>' Text='<%# DataBinder.Eval(Container.DataItem, "Text") %>' runat="server">HyperLink</asp:HyperLink>
               
            <td>
                <asp:ImageButton ID="ImageButton1" runat="server" ImageUrl="pushpin.gif"/></td>
        </tr>
        </table>       

 </TabTemplate>

    </telerik:RadTabStrip>
    <iframe name="IFrm1" style="width: 1017px; height: 595px"></iframe>
    </form>
</body>
</html>


------------------ Code Behind  ------------------

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Collections;

public partial class _Default : System.Web.UI.Page
{
    protected void Page_Load(object sender, EventArgs e)
    {
        if (!IsPostBack)
        {
            RadTabStrip1.DataTextField = "Text";
            RadTabStrip1.DataNavigateUrlField = "Url";
            RadTabStrip1.DataFieldID = "ID";
            RadTabStrip1.DataFieldParentID = "ParentID";
            RadTabStrip1.DataSource = GenerateSiteData();
            RadTabStrip1.DataBind();

        }
    }

    private ArrayList GenerateSiteData()
    {
        ArrayList siteData = new ArrayList();
        //siteData.Add(new SiteDataItem(1, null, "All Sites", ""));
        //siteData.Add(new SiteDataItem(2, 1, "Search Engines", ""));
        //siteData.Add(new SiteDataItem(3, 1, "News Sites", ""));
        siteData.Add(new SiteDataItem(4, 2, "Yahoo", "http://www.yahoo.com"));
        siteData.Add(new SiteDataItem(5, 2, "MSN", "http://www.msn.com"));
        siteData.Add(new SiteDataItem(6, 2, "Google", "http://www.google.com"));
        siteData.Add(new SiteDataItem(7, 3, "CNN", "http://www.cnn.com"));
        siteData.Add(new SiteDataItem(8, 3, "BBC", "http://www.bbc.co.uk"));
        siteData.Add(new SiteDataItem(9, 3, "FOX", "http://www.foxnews.com"));
        return siteData;
    }

}

public class SiteDataItem
{
    private string _text;
    private string _url;
    private int _id;
    private int _parentId;
    public string Text
    {
        get { return _text; }
        set { _text = value; }
    }
    public string Url
    {
        get { return _url; }
        set { _url = value; }
    }
    public int ID
    {
        get { return _id; }
        set { _id = value; }
    }
    public int ParentID
    {
        get { return _parentId; }
        set { _parentId = value; }
    }
    public SiteDataItem(int id, int parentId, string text, string url)
    {
        _id = id;
        _parentId = parentId;
        _text = text;
        _url = url;
    }
    public static List<SiteDataItem> GetSiteData()
    {
        List<SiteDataItem> siteData = new List<SiteDataItem>();
        siteData.Add(new SiteDataItem(1, 0, "All Sites", ""));
        siteData.Add(new SiteDataItem(2, 1, "Search Engines", ""));
        siteData.Add(new SiteDataItem(3, 1, "News Sites", ""));
        siteData.Add(new SiteDataItem(4, 2, "Yahoo", "http://www.yahoo.com"));
        siteData.Add(new SiteDataItem(5, 2, "MSN", "http://www.msn.com"));
        siteData.Add(new SiteDataItem(6, 2, "Google", "http://www.google.com"));
        siteData.Add(new SiteDataItem(7, 3, "CNN", "http://www.cnn.com"));
        siteData.Add(new SiteDataItem(8, 3, "BBC", "http://www.bbc.co.uk"));
        siteData.Add(new SiteDataItem(9, 3, "FOX", "http://www.foxnews.com"));
        return siteData;
    }
}