how to get the RadTab of RadPageView control

[_infels]

I am having following telerik tabstrip control : -\[code\]<telerik:RadTabStrip ID="rtsMyTabs" runat="server" MultiPageID="rmpMyMultiPage" SelectedIndex="0" Align="Justify" Width="970px" CssClass="tab-border-custom" Skin="Simple"> <Tabs> <telerik:RadTab Text="Step1" Width="280px" Selected="True"> </telerik:RadTab> <telerik:RadTab Text="Step2" Width="280px"> </telerik:RadTab> </Tabs></telerik:RadTabStrip><telerik:RadMultiPage ID="rmpProjectStatus" runat="server" SelectedIndex="0" CssClass="pageView" Width="100%"> <telerik:RadPageView ID="RadPageView1" runat="server" Width="100%" Height="100%"> <asp:TextBox ID="txtMyTextBox1" runat="server" Width="170px" /> </telerik:RadPageView> <telerik:RadPageView ID="RadPageView2" runat="server" Width="100%" Height="100%"> <asp:TextBox ID="txtMyTextBox2" runat="server" Width="170px" /> </telerik:RadPageView></telerik:RadMultiPage>\[/code\]I would like to know Tab Index of "txtMyTextBox2" in code behind.