莫名奇妙的问题，关于使用主题 css 文件要求页上有标头控件 ，急求解

程序页面运行报错：使用主题 css 文件要求页上有标头控件。(例如 <head runat="server" />)。 代码如下：
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="frameLeft.aspx.cs" Inherits="frameLeft" %><%@ Register tagprefix="iglbar" namespace="Infragistics.WebUI.UltraWebListbar" Assembly="Infragistics35.WebUI.UltraWebListbar.v10.3, Version=10.3.20103.1013, Culture=neutral, PublicKeyToken=7dd5c3163f2cd0cb" %><html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>菜单列表</title>
<style type="text/css"> 
html{
SCROLLBAR-FACE-COLOR: #E2EDEF;
SCROLLBAR-HIGHLIGHT-COLOR:#E2EDEF;
SCROLLBAR-SHADOW-COLOR: #E2EDEF;
SCROLLBAR-3DLIGHT-COLOR: #A5CDDE;
SCROLLBAR-ARROW-COLOR: #A5CDDE;
SCROLLBAR-TRACK-COLOR: #A5CDDE;
SCROLLBAR-DARKSHADOW-COLOR: #A5CDDE;
SCROLLBAR-BASE-COLOR: #000000;
}
.table1{
 border-spacing:0px;
 border:1px solid #9db3c5;
 width:100%;
}
.table1 th,.table1 td{
 padding:0px;
 border:1px solid #9db3c5;
}
</style><script id="Infragistics" type="text/javascript">
<!--
function UListbar_InitializeListbar(oListbar, oEvent){
var i=0;
while(oListbar.Groups[i]!=null){
    document.getElementById(oListbar.Id+"_Items_"+i.toString()).style.overflowX="hidden";
    i++;
    }
}
// -->
</script>
</head>
<body style="background-image:url(App_Themes/BlueTheme/images/rline.jpg); background-repeat:repeat-y;">
    <form id="form1" runat="server">
        <table border="0" cellpadding="0" cellspacing="0" style="width:100%; height:100%">
            <tr style="height:34px;">
                <td>
                    <table class="table1">
                        <tr align="center" style="height:34px;">
                            <td title="主页" style="cursor:hand;width:50%;background-image:url(App_Themes/BlueTheme/images/MenuB.gif);"
                             onmouseover="this.style.backgroundImage='url(App_Themes/BlueTheme/images/MenuB2.gif)';"
                             onmouseout="this.style.backgroundImage='url(App_Themes/BlueTheme/images/MenuB.gif)';"
                             onclick="parent.Content.location.href='ListTopic.aspx'">
                                <img alt="" src="App_Themes/BlueTheme/images/home.gif" style="vertical-align:middle" /><b style="margin-left:8px">主 页</b>
                            </td>
                            <td title="刷新" style="cursor:hand;width:50%;background-image:url(App_Themes/BlueTheme/images/MenuB.gif);"
                             onmouseover="this.style.backgroundImage='url(App_Themes/BlueTheme/images/MenuB2.gif)';"
                             onmouseout="this.style.backgroundImage='url(App_Themes/BlueTheme/images/MenuB.gif)';"
                             onclick="window.parent.Content.location.reload()">
                                <img alt="" src="App_Themes/BlueTheme/images/msn.gif" style="vertical-align:middle" /><b style="margin-left:8px">刷新</b>
                            </td>
                        </tr>
                    </table>
                </td>
            </tr>
            <tr>
                <td>
                    <iglbar:UltraWebListbar ID="UListbar" runat="server" BorderWidth="" 
                        Font-Names="宋体" Font-Size="9pt" Height="100%" MergeStyles="True" 
                        Width="178px" JavaScriptFilename="ig_weblistbar2_2.js">
                        <DefaultItemHoverStyle BackgroundImage="./App_Themes/BlueTheme/images/MenuItem.gif" 
                            Cursor="Hand">
                        </DefaultItemHoverStyle>
                        <Groups>
                            <iglbar:Group Text="Group" TextAlign="Left">
                                <Labels Collapsed="" Expanded="" Selected="" />
                            </iglbar:Group>
                        </Groups>
                        <DefaultGroupButtonHoverStyle Cursor="Hand">
                        </DefaultGroupButtonHoverStyle>
                        <DefaultItemStyle Height="19px" Width="167px">
                            <Margin Bottom="2px" Left="10px" Top="1px" />
                            <Padding Bottom="3px" Top="5px" />
                        </DefaultItemStyle>
                        <DefaultGroupStyle Height="100%">
                        </DefaultGroupStyle>
                        <ClientSideEvents InitializeListbar="UListbar_InitializeListbar" />
                        <DefaultItemSelectedStyle BackgroundImage="./App_Themes/BlueTheme/images/MenuItem.gif" 
                            Cursor="Hand">
                        </DefaultItemSelectedStyle>
                        <DefaultGroupButtonSelectedStyle BackgroundImage="./App_Themes/BlueTheme/images/MenuG.gif" 
                            CustomRules="background-repeat:no-repeat">
                        </DefaultGroupButtonSelectedStyle>
                        <DefaultGroupButtonStyle BackgroundImage="./App_Themes/BlueTheme/images/MenuG2.gif" 
                            Height="36px" CustomRules="background-repeat:no-repeat">
                            <Padding Left="20px" Top="12px" />
                        </DefaultGroupButtonStyle>
                    </iglbar:UltraWebListbar>
                </td>
            </tr>
        </table>
    </form>
</body>
</html>就算把html全部清空，放一个空aspx页面，一样报错。之前运行正常。只是把第三方控件从10.1版本替换成了10.3就这样了，急求解