jquery验证插件validate用法举例

<form id="form1" runat="server">
<div class="divFrame">
<div class="divTitle">
输入资料信息：
</div>
<div class="divContent">
<div>
用户名：<br />
<asp:TextBox ID="txtUsername" runat="server"></asp:TextBox>
*<br />
<span></span>
</div>
<div>
邮箱：<br />
<asp:TextBox ID="txtEmail" runat="server"></asp:TextBox>
*<br />
<span></span>
</div>
</div>
<div class="divBtn">
<asp:Button ID="Button1" runat="server" Text="提交" />
</div>
</div>
</form>

<script type="text/javascript" src="Scripts/jquery-1.4.2.js"></script>
<script type="text/javascript" src="Scripts/jquery.validate.js"></script>
<script type="text/javascript" src="Scripts/jquery.validate.messages_cn.js"></script>
<script type="text/javascript">
 $(function () {
     $("#form1").validate(
{
    /*自定义验证规则*/
    rules: {
 txtUsername: { required: true, minlength: 6 },
 txtEmail: { required: true, email: true }
    },
    /*错误提示位置*/
    errorPlacement: function (error, element) {
 error.appendTo(element.siblings("span"));
    }
}
     );
 })
</script>