Para este proyecto descargaremos la dll llamada
USPSAddressValidator y la agregamos como referencia a nuestro proyecto. Ademas crearemos 2 paginas de nombre AddressValidator y AddressVerification. En el primero lo diseñamos de la siguiente forma:
Ahora el codigo del cliente tendra este codigo(AddressValidator.aspx):
<head runat="server">
<title>Address Verification For USA</title>
<script type="text/javascript">
function YahooWindow() {
var street = document.getElementById('<%=txtAddress.ClientID %>').value;
var city = document.getElementById('<%=txtCity1.ClientID %>').value;
var e = document.getElementById('<%=ddlState.ClientID%>');
//For ModelWindow then uncomment below code
// $("#Address1").fancybox({
// 'width': '55%',
// 'height': '30%',
// 'autoScale': false,
// 'transitionIn': 'none',
// 'transitionOut': 'none',
// 'type': 'iframe'
// });
var strV = e.options[e.selectedIndex].text;
//alert(city);
document.getElementById('Address2').href = 'AddressVerification.aspx?street=' + street + '&city=' + city + '&state=' + strV + ''
//yahoowin = dhtmlmodal.open('yahoo', 'iframe', 'AddressVerification.aspx?street=' + street + '&city=' + city + '&state=' + strV + '', 'Address Verification', 'width=400px,height=350px,center=1');
// $("#Address1").click();
// return false;
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<table>
<tr>
<td class="sub02" width="180px">
Address:
</td>
<td>
<asp:TextBox runat="server" ID="txtAddress" CssClass="input" />
<a href="#" id="Address2" onclick="return YahooWindow();">[Verify Address] </a><a
href="#" id="Address1"></a>
</td>
</tr>
<tr>
<td class="sub02" width="180px">
City:
</td>
<td>
<asp:TextBox runat="server" ID="txtCity1" CssClass="input" />
</td>
</tr>
<tr>
<td class="sub02" width="180px">
State:
</td>
<td>
<asp:DropDownList runat="server" ID="ddlState" CssClass="input">
<asp:ListItem>--Select State--</asp:ListItem>
<asp:ListItem>AK</asp:ListItem>
<asp:ListItem>AL</asp:ListItem>
<asp:ListItem>AR</asp:ListItem>
<asp:ListItem>AZ</asp:ListItem>
<asp:ListItem>CA</asp:ListItem>
<asp:ListItem>CO</asp:ListItem>
<asp:ListItem>CT</asp:ListItem>
<asp:ListItem>DC</asp:ListItem>
<asp:ListItem>DE</asp:ListItem>
<asp:ListItem>FL</asp:ListItem>
<asp:ListItem>GA</asp:ListItem>
<asp:ListItem>HI</asp:ListItem>
<asp:ListItem>IA</asp:ListItem>
<asp:ListItem>ID</asp:ListItem>
<asp:ListItem>IL</asp:ListItem>
<asp:ListItem>IN</asp:ListItem>
<asp:ListItem>KS</asp:ListItem>
<asp:ListItem>KY</asp:ListItem>
<asp:ListItem>LA</asp:ListItem>
<asp:ListItem>MA</asp:ListItem>
<asp:ListItem>MD</asp:ListItem>
<asp:ListItem>ME</asp:ListItem>
<asp:ListItem>MI</asp:ListItem>
<asp:ListItem>MN</asp:ListItem>
<asp:ListItem>MO</asp:ListItem>
<asp:ListItem>MS</asp:ListItem>
<asp:ListItem>MT</asp:ListItem>
<asp:ListItem>NC</asp:ListItem>
<asp:ListItem>ND</asp:ListItem>
<asp:ListItem>NE</asp:ListItem>
<asp:ListItem>NH</asp:ListItem>
<asp:ListItem>NJ</asp:ListItem>
<asp:ListItem>NM</asp:ListItem>
<asp:ListItem>NV</asp:ListItem>
<asp:ListItem>NY</asp:ListItem>
<asp:ListItem>OH</asp:ListItem>
<asp:ListItem>OK</asp:ListItem>
<asp:ListItem>OR</asp:ListItem>
<asp:ListItem>PA</asp:ListItem>
<asp:ListItem>RI</asp:ListItem>
<asp:ListItem>SC</asp:ListItem>
<asp:ListItem>SD</asp:ListItem>
<asp:ListItem>TN</asp:ListItem>
<asp:ListItem>TX</asp:ListItem>
<asp:ListItem>UT</asp:ListItem>
<asp:ListItem>VA</asp:ListItem>
<asp:ListItem>VT</asp:ListItem>
<asp:ListItem>WA</asp:ListItem>
<asp:ListItem>WI</asp:ListItem>
<asp:ListItem>WV</asp:ListItem>
<asp:ListItem>WY</asp:ListItem>
</asp:DropDownList>
</td>
</tr>
<tr>
<td class="sub02" width="180px">
Zip:
</td>
<td>
<asp:TextBox runat="server" ID="txtZipCode" CssClass="input" />
</td>
</tr>
</table>
</div>
</form>
</body>El diseño de nuestro 2 webform el cual nos mostrara si la direccion es valida sera el siguiente:
El codigo del lado del cliente sera este(Addressverification.aspx)
<head runat="server">
<title></title>
<style type="text/css">
body{ margin:0;
padding:0;
font-family:Arial, helventica, Verdana;
font-size:11px;
}
</style>
</head>
<body>
<form id="form1" runat="server">
<div style="text-align: left; vertical-align: middle;">
<asp:Image runat="server" id="imgNo" ImageAlign="AbsMiddle"
ImageUrl="~/images/cancel_128x128.png" Height="65px" Width="71px"></asp:Image>
<asp:Image runat="server" id="imgYes" ImageAlign="AbsMiddle"
ImageUrl="~/images/k10760520.jpg" Height="59px" Width="62px"></asp:Image>
<asp:Label runat="server" id="lblVerification"></asp:Label>
</div>
<div style="text-align: left; padding-left:75px;">
<asp:RadioButton runat="server" id="rdo1" Text="Give me some address suggestions" GroupName="rdosug" AutoPostBack="true"></asp:RadioButton><br />
<asp:RadioButton runat="server" id="rdo2" Text="The address I entered is correct" GroupName="rdosug" AutoPostBack="true"></asp:RadioButton> <br />
<asp:RadioButton runat="server" id="rdo3" Text="I will make my address corrections " GroupName="rdosug" AutoPostBack="true"></asp:RadioButton>
</div>
</form>
</body>En el codigo del lado del servidor escriben lo siguiente(AddressVerification.aspx.vb)
Imports System.Web.UI.HtmlControls
Imports System.Configuration
Imports System.Net
Partial Class AddressVerification
Inherits System.Web.UI.Page
Private Function ValidateAddress(ByVal street As String, ByVal city As String, ByVal state As String) As String
If ConfigurationManager.AppSettings("proxy") <> [String].Empty Then
Dim p As WebProxy = Nothing
Dim proxyAddressAndPort As String = ConfigurationManager.AppSettings("proxy")
Dim proxyUserName As String = ConfigurationManager.AppSettings("proxyUserName")
Dim proxyPassword As String = ConfigurationManager.AppSettings("proxyPassword")
Dim cred As ICredentials
cred = New NetworkCredential(proxyUserName, proxyPassword)
p = New WebProxy(proxyAddressAndPort, True, Nothing, cred)
GlobalProxySelection.[Select] = p
End If
If street = String.Empty Then
street = "Test"
End If
If city = String.Empty Then
city = "Test"
End If
If state = "--Select State--" Then
state = "TA"
End If
Dim res As String = PAB.Utils.USPS.AddressValidator.ValidateAddress(street, city, state)
Return res
End Function
Protected Sub Page_Load(ByVal sender As Object, ByVal e As System.EventArgs) Handles Me.Load
If Not Request("city") Is Nothing Then
Dim strvalid As String = String.Empty
strvalid = Me.ValidateAddress(Request("street"), Request("city"), Request("state"))
If strvalid = "Invalid Address" Then
lblVerification.Text = "We’re sorry. We were unable to verify your address with the United States Postal Service."
imgYes.Visible = False
Else
lblVerification.Text = "Congratulations! We have successfully verified your shipping address!"
imgNo.Visible = False
rdo1.Visible = False
rdo2.Visible = False
rdo3.Visible = False
End If
End If
End Sub
End Class. finalmente en nuestro
web.config modificamos nuestra etiqueta appconfig y la escribimos como esta abajo:
<appSettings>
<add key="proxy" value="10.10.201.3:8080"/>
<add key="proxyUserName" value=""/>
<add key="proxyPassword" value=""/>
</appSettings>si pusieron todo el codigo como les indique les debe salir asi:
Espero les ayude este ejemplo
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