Advanced Search

USPS Address Correction

/ Published in: C#
Save to your folder(s)
requires you to register with USPS.
method requires your USPS API key.

Expand | Embed | Plain Text

Copy this code and paste it in your HTML 
  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4. using System.Text;
  5. using System.Net;
  6. using System.Web.Configuration;
  7. using System.Collections.Specialized;
  8. using System.Xml.Linq;
  9. using System.IO;
  10.  
  11.  
  12.     public static class AddressProvider
  13.     {
  14.         public static Address StandardizeAddress(Address address)
  15.         {
  16.             Address addr = new Address();
  17.             try
  18.             {
  19.                 //Prepare Request
  20.                 WebClient client = new WebClient();
  21.                 client.Headers.Add("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; .NET CLR 1.0.3705;)");
  22.                 string advserver = "http://production.shippingapis.com/ShippingAPI.dll";
  23.                 string advuserid = // YOU USER ID HERE
  24.                 Uri wa = new Uri(advserver);
  25.  
  26.                 NameValueCollection nvc = new NameValueCollection();
  27.  
  28.  
  29.                 XElement add = new XElement("Address");
  30.                 add.SetAttributeValue("ID", "0");
  31.  
  32.                 XElement firmname = new XElement("FirmName", string.Empty);
  33.                 add.Add(firmname);
  34.  
  35.                 XElement ad1 = new XElement("Address1", address.Street2);
  36.                 add.Add(ad1);
  37.  
  38.                 XElement ad2 = new XElement("Address2", address.Street1);
  39.                 add.Add(ad2);
  40.  
  41.                 XElement city = new XElement("City", address.City);
  42.                 add.Add(city);
  43.  
  44.                 XElement state = new XElement("State", address.State);
  45.                 add.Add(state);
  46.  
  47.                 XElement zip5 = new XElement("Zip5", address.Zip);
  48.                 add.Add(zip5);
  49.  
  50.                 XElement zip4 = new XElement("Zip4", string.Empty);
  51.                 add.Add(zip4);
  52.  
  53.  
  54.                 XElement root = new XElement("AddressValidateRequest");
  55.                 root.SetAttributeValue("USERID", advuserid);
  56.                 root.Add(add);
  57.  
  58.                 nvc.Add("API", "Verify");
  59.                 nvc.Add("XML", root.ToString());
  60.  
  61.                 byte[] data = client.UploadValues(wa, nvc);
  62.                 MemoryStream ms = new MemoryStream(data);
  63.                 StreamReader reader = new StreamReader(ms);
  64.                 string s = reader.ReadToEnd();
  65.                 //Process Response
  66.  
  67.                 XElement response = XElement.Parse(s, LoadOptions.None);
  68.                 IEnumerable<XElement> error = response.Descendants("Error");
  69.  
  70.                 if (error.Count() <= 0)
  71.                 {
  72.                     XElement xad = response.Element("Address");
  73.                     if (xad != null)
  74.                     {
  75.                         if (xad.Element("Address1") != null)
  76.                         {
  77.                             addr.Street2 = xad.Element("Address1").Value;
  78.                         }
  79.                         else
  80.                         {
  81.                             addr.Street2 = string.Empty;
  82.                         }
  83.                         if (xad.Element("Address2") != null)
  84.                         {
  85.                             addr.Street1 = xad.Element("Address2").Value;
  86.                         }
  87.                         else
  88.                         {
  89.                             addr.Street1 = string.Empty;
  90.                         }
  91.                         if (xad.Element("City") != null)
  92.                         {
  93.                             addr.City = xad.Element("City").Value;
  94.                         }
  95.                         else
  96.                         {
  97.                             addr.City = string.Empty;
  98.                         }
  99.                         if (xad.Element("State") != null)
  100.                         {
  101.                             addr.State = xad.Element("State").Value;
  102.                         }
  103.                         else
  104.                         {
  105.                             addr.State = string.Empty;
  106.                         }
  107.                         if (xad.Element("Zip5") != null)
  108.                         {
  109.                             addr.Zip = xad.Element("Zip5").Value;
  110.                         }
  111.                         else
  112.                         {
  113.                             addr.Zip = string.Empty;
  114.                         }
  115.  
  116.                     }
  117.                 }
  118.                 else
  119.                 {
  120.                     return null;
  121.                 }
  122.             }
  123.             catch
  124.             {
  125.  
  126.             }
  127.  
  128.             return addr;
  129.         }
  130.  
  131.     public class Address
  132.     {
  133.         public string Street1 { get; set; }
  134.         public string Street2 { get; set; }
  135.         public string City { get; set; }
  136.         public string State { get; set; }
  137.         public string Zip { get; set; }
  138.     }
  139.  
  140. }

Report this snippet


Comments

RSS Icon Subscribe to comments

You need to login to post a comment.