KindEditor 4.0.6 控件问题,知道的都进来帮帮小弟


<html>
<head runat="server">
    <meta charset="utf-8" />
    <title>KindEditor ASP.NET</title>
    <link rel="stylesheet" href="../themes/default/default.css" />
<link rel="stylesheet" href="../plugins/code/prettify.css" />
<script charset="utf-8" src="../kindeditor.js"></script>
<script charset="utf-8" src="../lang/zh_CN.js"></script>
<script charset="utf-8" src="../plugins/code/prettify.js"></script>
<script>
KindEditor.ready(function(K) {
var editor1 = K.create('#content1', {
cssPath : '../plugins/code/prettify.css',
uploadJson : '../asp.net/upload_json.ashx',
fileManagerJson : '../asp.net/file_manager_json.ashx',
allowFileManager : true,
afterCreate : function() {
var self = this;
K.ctrl(document, 13, function() {
self.sync();
K('form[name=example]')[0].submit();
});
K.ctrl(self.edit.doc, 13, function() {
self.sync();
K('form[name=example]')[0].submit();
});
}
});
prettyPrint();
});
</script>
</head>
<body>
    <asp:Label ID="Label1" runat="server" Text=""></asp:Label>
    <form id="example" runat="server">
        <textarea id="content1" cols="100" rows="8" style="width:700px;height:200px;visibility:hidden;" runat="server"></textarea>
        <br />
        <asp:Button ID="Button1" runat="server" Text="提交内容" /> (提交快捷键: Ctrl + Enter)
    </form>
</body>
</html>
这是dome里面的代码,但是我把代码搬到我自己的页面上就出问题了,后来发现是runat的问题,请教大家,这是为何阿?