Accordion bootstrap, Updatepanel ASP.NET

<asp:UpdatePanel runat="server" ID="updatePanelAppeals" UpdateMode="Conditional">

<Triggers>

                <asp:AsyncPostBackTrigger ControlID="btnSearch" />

            </Triggers>

</asp:UpdatePanel >

or

updatePanelAppeals.Update();

we can use one from this. or in every update panel we have to add triggers.

 https://getbootstrap.com/docs/5.0/components/accordion/

https://learn.microsoft.com/en-us/dotnet/api/system.web.ui.asyncpostbacktrigger?view=netframework-4.8.1