How to calculate Shipping by UPS using C#

First Create a class for UPS shipping "UPS.cs"


using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Xml;
using System.IO;
using System.Net;

namespace UPSShipping
{
    public class UPS
    {

        private string m_accessNumber;
        private string m_userName;
        private string m_password;
        private string m_shipperNumber;
        private string m_pickupType;
        private string m_uri = "https://www.ups.com/ups.app/xml/Rate?";

        #region Properties

        public string AccessNumber
        {
            get { return m_accessNumber; }
            set { m_accessNumber = value; }
        }

        public string UserName
        {
            get { return m_userName; }
            set { m_userName = value; }
        }

        public string Password
        {
            get { return m_password; }
            set { m_password = value; }
        }

        public string ShipperNumber
        {
            get { return m_shipperNumber; }
            set { m_shipperNumber = value; }
        }

        public string Uri
        {
            get { return m_uri; }
            set { m_uri = value; }
        }

        #endregion

        #region Classes
        public UPS()
        {
        }

        public UPS(string accessNumber, string userName, string password, string shipperNumber, string pickupType)
        {
            m_accessNumber = accessNumber;
            m_userName = userName;
            m_password = password;
            m_shipperNumber = shipperNumber;
            m_pickupType = pickupType;
        }

        #endregion

        #region Methods
        public void setCredentials(string accessNumber, string userName, string password, string shipperNumber)
        {
            m_accessNumber = accessNumber;
            m_userName = userName;
            m_password = password;
            m_shipperNumber = shipperNumber;
            
        }

        public decimal GetRate(string weight, string shipperZipCode, string shipperCountryCode, string destinationZipCode, string destinationCountryCode, string serviceCode)
        {            
            WebRequest req = WebRequest.Create(m_uri);
            WebResponse rsp;
            req.Method = "POST";
            req.ContentType = "text/xml";
            StreamWriter writer = new StreamWriter(req.GetRequestStream());
            writer.WriteLine(buildUPSXml(weight, shipperZipCode, shipperCountryCode, destinationZipCode, destinationCountryCode, serviceCode));
            writer.Close();
            rsp = req.GetResponse();

            //Get the Posted Data
            StreamReader reader = new StreamReader(rsp.GetResponseStream());
            string rawXml = reader.ReadToEnd();
            XmlDocument xml = new XmlDocument();
            xml.LoadXml(rawXml);
            decimal rate = 0;
            //Use XPath to Navigate the Document
            int status = Convert.ToInt32(xml.SelectSingleNode(@"/RatingServiceSelectionResponse/Response/ResponseStatusCode").InnerText);
            if (status == 1)
            {
                //success
                rate = Convert.ToDecimal(xml.SelectSingleNode(@"/RatingServiceSelectionResponse/RatedShipment/TotalCharges/MonetaryValue").InnerText);
            }
            return rate;
        }

        public string buildUPSXml(string weight, string shipperZipCode, string shipperCountryCode, string destinationZipCode, string destinationCountryCode, string serviceCode)
        {
            StringBuilder sb = new StringBuilder();

            sb.Append("<?xml version='1.0'?>");
              sb.Append(" <AccessRequest xml:lang='en-US'>");
              sb.Append(" <AccessLicenseNumber>").Append(m_accessNumber).Append("</AccessLicenseNumber>");
              sb.Append(" <UserId>").Append(m_userName).Append("</UserId>");
              sb.Append(" <Password>").Append(m_password).Append("</Password>");
              sb.Append(" </AccessRequest>");
              sb.Append("<?xml version='1.0'?>");
              sb.Append(" <RatingServiceSelectionRequest xml:lang='en-US'>");
              sb.Append(" <Request>");
              sb.Append(" <TransactionReference>");
              sb.Append(" <CustomerContext>Rating and Service</CustomerContext>");
              sb.Append(" <XpciVersion>1.0001</XpciVersion>");
              sb.Append(" </TransactionReference>");
              sb.Append(" <RequestAction>Rate</RequestAction>");
              sb.Append(" <RequestOption>Rate</RequestOption>");
              sb.Append(" </Request>");
              sb.Append(" <PickupType>");
              sb.Append(" <Code>").Append(m_pickupType).Append("</Code>");
              sb.Append(" </PickupType>");
              sb.Append(" <Shipment>");
              sb.Append(" <Shipper>");
              sb.Append(" <Address>");
              sb.Append(" <PostalCode>").Append(shipperZipCode).Append("</PostalCode>");
              sb.Append("          <CountryCode>").Append(shipperCountryCode).Append("</CountryCode>");
              sb.Append(" </Address>");
              sb.Append(" </Shipper>");
              sb.Append(" <ShipTo>");
              sb.Append(" <Address>");
              sb.Append("    <ResidentialAddressIndicator/>");                         //========== If You want to calculate shiiping for Commertial address then remove it or for Residential  address it will be ok
              sb.Append(" <PostalCode>").Append(destinationZipCode).Append("</PostalCode>");
              sb.Append(" <CountryCode>").Append(destinationCountryCode).Append("</CountryCode>");
              sb.Append(" </Address>");
              sb.Append(" </ShipTo>");
              sb.Append(" <Service>");
              sb.Append(" <Code>").Append(serviceCode).Append("</Code>");
              sb.Append(" </Service>");
              sb.Append(" <Package>");
              sb.Append(" <PackagingType>");
              sb.Append(" <Code>02</Code>");
              sb.Append(" <Description>Package</Description>");
              sb.Append(" </PackagingType>");
              sb.Append(" <Description>Rate Shopping</Description>");
              sb.Append(" <PackageWeight>");
              sb.Append("    <UnitOfMeasurement>");
 sb.Append("    <Code>LBS</Code>");
              sb.Append("    </UnitOfMeasurement>");
              sb.Append(" <Weight>").Append(weight).Append("</Weight>");
              sb.Append(" </PackageWeight>");
              sb.Append(" </Package>");
              sb.Append(" <ShipmentServiceOptions/>");
              sb.Append(" </Shipment>");
              sb.Append("</RatingServiceSelectionRequest>");
            return sb.ToString();
        }
        #endregion
    }    
}


============On Page You can get UPS On Page

  UPSShipping UPS shs = new UPSShipping.UPS("Your UPS Access Number", "UPS Account Username", "UPS account Password", "Shipping Number Or empty value", "Pickup Type");

 shs.GetRate("Weight", "ShipperZip", "Shipper Contry Code", "DestinationZip", "Destination CountryCode", "Service Code")


=========Service Code As

UPS Next day Air => 01
UPS Second day Air => 02
UPS Ground => 03
Worldwide Express => 07
UPS Worldwide Expedited => 08
UPS Standard => 11
Three-Day Select => 12
Next Day Air Saver => 13
UPS Next Day Air Early AM =>14
UPS Worldwide Express Plus => 54
UPS Second Day Air AM => 59
UPS Saver => 65