Number validation in to textbox using Jquery

Javascript 

<script type="text/javascript">

    function numberOnlyExample() {

        if ((event.keyCode < 48) || (event.keyCode > 57))

            return false;

    }

</script> 

<asp:TextBox ID="TextBox1" onKeyPress="return validateNumbersOnly();"runat="server"></asp:TextBox>

Jquery 

<script type="text/javascript">

  $(document).ready(function () {

            $('input[numeric]').keyup(function () {

                var d = $(this).attr('numeric');

                var val = $(this).val();

                var orignalValue = val;

                val = val.replace(/[0-9]*/g, "");

                var msg = "Only Integer Values allowed.";

                if (val != '') {

                    orignalValue = orignalValue.replace(/([^0-9].*)/g, "")

                    $(this).val(orignalValue);

                    alert(msg);

                }

            });

        });

    </script>

    <asp:TextBox ID="txtCardno" numeric="integer" runat="server"></asp:TextBox>



<script type="text/javascript">
            $(document).ready(function () {

                $('#<%=txtboxId.ClientID %>').ariyValidate({
                    type: "price",
                    error_message: ""
                });
           });
</script>