初学者提问,ajax执行不了,是什么情况

菜鸟提问,ajax执行不了,是什么情况
 <script type="text/javascript">    
        $(function () {
            $("#login").click(function () {
                var strname = $("#txtname").val();
                var strpwd = $("#txtpwd").val();
                debugger;
                $.ajax({
                    url: "page70.aspx",
                    type: "POST",
                    data:{name:encodeURI(strname),pwd:encodeURI(strpwd)},
                    success: function (result) {
                        if (result == true) {
                            $("#tips").html("登录成功!!");
                        }
                        else {
                            $("#tips").html("登录用户名或密码有错误!!")
                        }
                    }
                });
          
            });

        });
    </script>
</head>
<body>
    <form id="myform">  
        <input type="text" name="name" id="txtname" />
        <input type="text" name="password" id="txtpwd" />
        <input type="button" value="登录" id="login" />
        <input type="button" value="重置" id="reset" />
    </form>
    <div id="tips">
    </div>
</body>


调试的时候,根本不执行ajax(),就直接跳出来了,是什么原因
------解决方案--------------------
出什么错误啊 。调试看看
------解决方案--------------------
你怎么知道它没有执行ajax啊?
------解决方案--------------------





$(document).ready(function(){
          $("#login").click(function () {
                var strname = $("#txtname").val();
                var strpwd = $("#txtpwd").val();
                debugger;
                $.ajax({
                    url: "page70.aspx",
                    type: "POST",
                    data:{name:encodeURI(strname),pwd:encodeURI(strpwd)},
                    success: function (result) {
                        if (result == true) {
                            $("#tips").html("登录成功!!");
                        }
                        else {