how to make maintain the JQuery UI style of button since lost JQuery style of button after press button

$(document).ready(function() { $('#calculate_button').button(); });
<asp:UpdatePanel ID="UpdatePanel7" runat="server"> <ContentTemplate> <asp:Button ID="calculate_button" runat="server" Text="Calculate" OnClick="calculate_button_click" AutoPostBack="True"/> </ContentTemplate> </asp:UpdatePanel>