C1ComboBox1所在页面有Jquery时页面报错

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<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="WebForm1.aspx.cs" Inherits="WebTest.WebForm1" %>
<%@ Register Assembly="C1.Web.Wijmo.Controls.3" Namespace="C1.Web.Wijmo.Controls.C1ListView" TagPrefix="wijmo" %>
<%@ Register Assembly="C1.Web.Wijmo.Controls.3" Namespace="C1.Web.Wijmo.Controls.C1ComboBox" TagPrefix="wijmo" %>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml">
<head runat="server">
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title></title>
<script src="jquery-1.9.1.min.js"></script>
</head>
<body>
<form id="form1" runat="server">
<div>
<wijmo:C1ComboBox ID="C1ComboBox1" Height="15px" runat="server" AutoPostBack="true" OnSelectedIndexChanged="C1ComboBox1_SelectedIndexChanged" SelectionMode="Multiple"></wijmo:C1ComboBox>
</div>
</form>
</body>
</html>