<asp:updatepanel id="UpdatePanel1" runat="server" xmlns:asp="#unknown">
<contenttemplate>
<asp:tabcontainer id="TabContainer1" runat="server" activetabindex="0">
<asp:tabpanel id="tabpan1" runat="server" headertext="Tab1">
<div>
</div>
<asp:tabpanel id="tabpan2" runat="server" headertext="Tab2">
<div>
</div>
</contenttemplate>