ASP.NET

[WebMethod]
public static string GetProgress()
{
    // just returning ticks as it is a number that constantly goes up
    // you'll need to get your actual progress

    return DateTime.Now.Ticks.ToString();
}

<div id="progress">

</div>

<script type="text/javascript">
    var t = window.setInterval(showProgress, 1000);
    var p = $("#progress");

    function showProgress()
    {
        $.ajax({
            type: "POST",
            url: "test.aspx/GetProgress",
            contentType: "application/json; charset=utf-8",
            dataType: "json",
            success: function (data) {
                p.html('Progress: ' + data.d);
                // to cancel the polling
                // clearInterval(t);
            }
        });
    }
</script>

function Selected_Shipping_Address_Load(m_Data1) {

    var panel_CardInfo = $('[id*="_panel_MP_CardInfo_Container"]');
    var panel_Progress = $('[id*="_panel_MP_Progress_Container"]');    

    if (panel_CardInfo.css('display') === 'inline-block') {
        panel_CardInfo.css('display', 'none');
        panel_Progress.css('display', 'inline-block');
    }
    else {
        panel_CardInfo.css('display', 'none');
        panel_Progress.css('display', 'inline-block');
    }

    var m_secureToken = $('[id*="_txt_Secure_Token_Field"]').val();
    var m_localization = parseInt($('[id*="_txt_Localization_Field"]').val());
    
    // Package the Data to Transmit
    var send_Data =
    "{" +
    "\"m_Data1\" : \"" + m_Data1 + "\", " +
    "\"m_Localization\" : " + m_localization + "," +
    "\"m_secureToken\" : \"" + m_secureToken + "\" " +
    "}";

    //alert(send_Data);

    $.ajax({
        type: "POST",
        contentType: "application/json; charset=utf-8",
        url: "MakePayment.asmx/load_ShippingAddress",
        data: send_Data,
        dataType: "json",
        error: function (xhr, status, error) {
            exitCode = 2;
            alert(xhr.responseText);
        },
        success: function (responseText) {
            //alert(responseText.d);
            var objB = jQuery.parseJSON(responseText.d);
            exitCode = objB.exit_Code;

            if (exitCode > 0) {
                alert('Error Occured');
            }
            else {

                var address_ID = objB.address_ID;
                var address_Attention = unescape(objB.address_Attention.replace(/\+/g, " "));
                var address_CompanyName = unescape(objB.address_CompanyName.replace(/\+/g, " "));
                var address_Streetline1 = unescape(objB.address_Streetline1.replace(/\+/g, " "));
                var address_Streetline2 = unescape(objB.address_Streetline2.replace(/\+/g, " "));
                var address_City = unescape(objB.address_City.replace(/\+/g, " "));
                var address_State = unescape(objB.address_State.replace(/\+/g, " "));
                var address_Postal = unescape(objB.address_Postal.replace(/\+/g, " "));
                var address_Country = unescape(objB.address_Country.replace(/\+/g, " "));
                var address_Phone = unescape(objB.address_Phone.replace(/\+/g, " "));
                var address_Residental = objB.address_Residential;
                var address_ShippingIsBilling = objB.address_ShippingIsBilling;

                // Insert the Selected Shipping Address into the form                
                $('[id*="_txt_MP_CompanyName_Field"]').val(address_CompanyName);
                $('[id*="_txt_MP_StreetAddress1_Field"]').val(address_Streetline1);
                $('[id*="_txt_MP_StreetAddress2_Field"]').val(address_Streetline2);
                $('[id*="_txt_MP_City_Field"]').val(address_City);
                $('[id*="_ddl_MP_CountryCode_Field"]').val(address_Country);

                switch (address_Country) {
                    case 'US':
                        load_States_US(address_State);
                        break;
                    case 'CA':
                        load_States_CA(address_State);
                        break;
                    case 'MX':
                        load_States_CA(address_State);
                        break;
                }

                $('[id*="_ddl_MP_StateCode_Field"]').val(address_State);
                $('[id*="_txt_MP_PostalCode_Field"]').val(address_Postal);
                $('[id*="_txt_MP_Phone_Field"]').val(address_Phone);
                
                panel_Progress.css('display', 'none');
                panel_CardInfo.css('display', 'inline-block');
            }
        }
    });

}

cmd.Parameters.AddWithValue("@name", name);

var username = WebSecurity.CurrentUserName; // the email field in database

// db is the DbContent variable, and someUserId can be the current user's id.

db.Users.FirstOrDefault(x => x.Id == someUserId);