Navigation problem in crystal report with

I am using crystal report with 2005, I have created a page with crystal report and showing that into another page with in a iframe.
I am loading this page on click of menu control.
The proble is navigation of pages. I can not navigate to 3rd page by clicking on next navigation button.

code sample is below

in aspx file

<asp:UpdatePanel ID="updatePanel2" runat="server">
                        <ajaxToolkit:TabContainer runat="server" ID="Tabs" Height="445px"  ActiveTabIndex="0" Width="830px" Font-Names="Arial">
<ajaxToolkit:TabPanel runat="server" ID="Panel2" HeaderText="Astro Profile" >
                                        <iframe id="Iframe1" runat="server"  style="width: 805px; height: 444px;" frameborder="0" />

                        <ajaxToolkit:TabPanel runat="server" ID="Panel3">
                                <iframe id="Iframe2" runat="server"  style="width: 805px; height: 444px;" frameborder="0"  />

in cs file

on Selected_Node_Change event of tree control


please advise and many thanks in anticipation
Bytech IndiaAsked:
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