<script>
        $(document).ready(function () {
            $("#SelectCountry").load( function() {
                $.ajax({
                    url: "../Member/Home.aspx/GetCountryName",
                    type: "POST",
                    dataType: 'json',
                    contentType: 'application/json; charset=utf-8',
                    data: "{'name': '" + "1" + "'}",
                    async: false,
                    success: function (response) {
                        if (response.d != null) {
                            $.each(response.d, function (i, response) {
                                debugger;
                                $("#SelectCountry").append("<option value=" + response.CountryId + ">" + response.CountryName + "</option>");
                            });
                        }
                    },
                    error: function (xhr) {
                    }
                });
            });
        });
    </script>