User control in multipage breaks tab strip

[Matthew]

I am trying to add a user control to the pages of my tab strip:

<telerik:RadTabStrip ID="RadTabStrip2" runat="server" Skin="Gray" MultiPageID="RadMultiPage1" Width="100%" SelectedIndex="0">
        <Tabs>
            <telerik:RadTab Text="Document Triggers" Selected="True" PageViewID="pageDocument" runat="server" />
            <telerik:RadTab Text="Forum Triggers" PageViewID="pageForum" runat="server" />
            <telerik:RadTab Text="Calendar Triggers" PageViewID="pageCalendar" runat="server" />
        </Tabs>
    </telerik:RadTabStrip>
    <div class="SimpleTabPage">
        <telerik:RadMultiPage ID="RadMultiPage1" runat="server" SelectedIndex="0">
            <telerik:RadPageView ID="pageDocument" runat="server" Selected="true">
            Hi
            </telerik:RadPageView>
            <telerik:RadPageView ID="pageForum" runat="server">
            Hello
                <uc1:ForumTriggers ID="ForumTriggers1" runat="server" />
            </telerik:RadPageView>
            <telerik:RadPageView ID="pageCalendar" runat="server">
            Bye
            </telerik:RadPageView>
        </telerik:RadMultiPage>
    </div>

When I add my "ForumTriggers" user control to the second page view, the tab strip stops working.  I'm not trying to dynamically load the user controls or use AJAX.  If I view the source, all of the markup in the user control appears in the page view.  There are no javascript errors.  How can I fix this problem?

[Paul]

Hi Matt,

Obviously, there's something in the particular UserControl that causes the problem. However, I think It will be best if you can open a support ticket and send us a simple running project (incl. CSS, images, DB backup if needed and so on) demonstrating the problem. In that way we can reproduce and pinpoint the problem you're facing on our side and provide a solution.

Kind regards,
Paul
the Telerik team

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[Matthew]

I think I've found the problem.  My user control has a RequiredFieldValidator in it:

<asp:RequiredFieldValidator ID="reqTriggerName" runat="server" ControlToValidate="txtTriggerName" Display="Dynamic"
                                ErrorMessage="*Required" />

When I take this out, the tabs work fine.  Why would a required field validator cause the tabs to stop working and how can I get around it?

[Atanas Korchev]

Hi Matt,

Try setting the CausesValidation property of RadTabStrip to false.

Kind regards,
Albert
the Telerik team

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[Matthew]

Great!  That worked.

Thanks,
Matt