Keep the current jQuery accordion pane open after ASP.NET postback?

Question

I have a jquery accordion on an asp.net aspx weppage. Inside the panes, I have asp.net buttons. When I click on the button, the pane I was in, closes and reloads the page,

Answer 1

To add to MaxCarey's post...
A more reliable way to get the new accordion index is

change: function (event, ui) {
    var index = $(this).accordion("option", "active");
    $("#<% =hidAccordionIndex.ClientID %>').val(index);
}