点击提交ajax没有执行，请问我是哪里出错了
前台
            <asp:TextBox ID="TextBox1" runat="server"></asp:TextBox>
            <br />
            邮箱
            <asp:TextBox ID="TextBox2" runat="server"></asp:TextBox>
            <br />
            <asp:Button ID="Button1" runat="server" Text="保存"/>
            <script>
                $(function () {
                    $("#Button1").click(function () {
                        $.post("userData.aspx/test", { phone: $("#TextBox1").val(), email: $("#TextBox2").val() },
                            function (data, status) {
                                $("#TextBox1").val() = data.split(",")[0];
                                $("#TextBox2").val() = data.split(",")[1];
                                alert(status);
                            });
                    });
                });
            </script>
后台
    [WebMethod]
    public void test(string phone,string email)
    {
        db da = new db();
        da.openDatabase();
        da.sql = "update [dbo].[test1] set phone='" + phone + "',email='" + email + "' where userName='" + Session["userName"] + "'";
        da.cmd = new SqlCommand(da.sql, da.conn);
        da.cmd.ExecuteNonQuery();
        da.conn.Close();}