UpdatePanel not working in IE8 and Safari

Is there some reason why an UpdatePanel would not work in IE8 and Safari?

It works fine in IE9, Firefox and Chrome.

Once I removed the UpdatePanel tags ...  the webpage began working in IE8 and Safari as well -- but obviously without the partial refresh in place it looks choppy with each page refresh.

Any ideas?
Tom KnowltonWeb developerAsked:
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please provide code :)
Tom KnowltonWeb developerAuthor Commented:
<%@ Page Title="" Language="C#" MasterPageFile="~/ContentFiles/uconn/TCSSite.Master" AutoEventWireup="true" CodeBehind="WebFormMasterPageWithONLYCourseLookup.aspx.cs" Inherits="Campus_Webstore.WebFormMasterPageWithONLYCourseLookup" %>
<%@ Register src="UserControls/BookSearchMegaControl.ascx" tagname="BookSearchMegaControl" tagprefix="uc1" %>
<asp:Content ID="Content1" ContentPlaceHolderID="ContentPlaceHolder1" runat="server">

<%--<asp:UpdatePanel ID="UpdatePanel1" runat="server">

    <uc1:BookSearchMegaControl ID="BookSearchMegaControl1" runat="server" />



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SAMIR BHOGAYTAFreelancer and IT ConsultantCommented:

you solution is here : http://forums.asp.net/p/1252014/2898429.aspx

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Tom KnowltonWeb developerAuthor Commented:
Well, that seems to explain Safari, but what about IE8?
Tom KnowltonWeb developerAuthor Commented:
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