c# - Ajax TabContainer tabs not working after issues with visibility -

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at first having problems forcing tabcontainer show. apparantly caused render 'style="visibility: hidden"' on runtime. fixed adding style="visibility:visible" tabcontainer. looks now:

<asp:tabcontainer id="tabcontainer1" runat="server" style="visibility:visible">         <asp:tabpanel id="tabpanel1" headertext="tab 1" runat="server">                   <contenttemplate>                       contents of tab 1 <br />                       contents of tab 1 <br />                       contents of tab 1 <br />                   </contenttemplate>               </asp:tabpanel>               <asp:tabpanel id="tabpanel2" headertext="tab 2" runat="server">                   <contenttemplate>                       contents of tab 2 <br />                       contents of tab 2 <br />                       contents of tab 2 <br />                   </contenttemplate>                           </asp:tabpanel>               <asp:tabpanel id="tabpanel3" headertext="tab 3" runat="server">                   <contenttemplate>                       contents of tab 3 <br />                       contents of tab 3 <br />                       contents of tab 3 <br />                   </contenttemplate>                           </asp:tabpanel>       </asp:tabcontainer>

now show. whenever press tab 2 or 3, nothing happens. still shows 'contents of tab 1'.

how fix this? love have working tabcontainer!

your code worked me as-is in visual studio 2012. thing did add scriptmanager.

 <ajaxtoolkit:toolkitscriptmanager runat="server" />

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