ajax同步提交

                $.ajax({                    type: "post",                    url: "ajax.aspx",                    data: { Action: "LoginIn", UserName: $("#username").val(), LoginPwd: $("#password").val(), ip: $("#hdip").val() },                    async: false,                    success: function (data) {                        alert("登陆成功!");                        window.location.href = "index.aspx";                    }                });