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Thursday 30 May 2013

How To Make Google Currency Converter JSON API Example Using jQuery in c# And VB Asp.net

How To Make Google Currency Converter JSON API Example Using jQuery in c# And VB Asp.net


Program:

.Aspx File:

<%@ Page Language="C#" AutoEventWireup="true"  CodeFile="Default.aspx.cs" Inherits="_Default" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
    <title>Google Currency Conversion</title>
    <script type="text/javascript" src="http://code.jquery.com/jquery-1.8.2.js"></script>
  <script type="text/javascript">
      $(function() {
      $('#btnConvert').click(function() {
          var amount = $('#txtAmount').val();
          var from = $('#ddlfrom').val();
          var to = $('#ddlto').val();
              $.ajax({ type: "POST",
              url: "WebService.asmx/CurrencyConversion",
                  data: "{amount:" + amount + ",fromCurrency:'" + from + "',toCurrency:'" + to + "'}",
                  contentType: "application/json; charset=utf-8",
                  dataType: "json",
                  success: function(data) {
                  $('#currency_converter_result').html(data.d);
                  }
              });
          });
      });
  </script>

</head>
<body>
    <form id="form1" runat="server">
    <table>
    <tr><td align="right">Enter Amount:</td><td>  <input id="txtAmount" maxlength="12" size="5" value="1" /></td></tr>
    <tr><td align="right">From:</td><td>
        <select id="ddlfrom">
            <option value="AED">United Arab Emirates Dirham (AED)</option>
            <option value="ANG">Netherlands Antillean Guilder (ANG)</option>
            <option value="ARS">Argentine Peso (ARS)</option>
            <option value="AUD">Australian Dollar (AUD)</option>
            <option value="BDT">Bangladeshi Taka (BDT)</option>
            <option value="BGN">Bulgarian Lev (BGN)</option>
            <option value="BHD">Bahraini Dinar (BHD)</option>
            <option value="BND">Brunei Dollar (BND)</option>
            <option value="BOB">Bolivian Boliviano (BOB)</option>
            <option value="BRL">Brazilian Real (BRL)</option>
            <option value="BWP">Botswanan Pula (BWP)</option>
            <option value="CAD">Canadian Dollar (CAD)</option>
            <option value="CHF">Swiss Franc (CHF)</option>
            <option value="CLP">Chilean Peso (CLP)</option>
            <option value="CNY">Chinese Yuan (CNY)</option>
            <option value="COP">Colombian Peso (COP)</option>
            <option value="CRC">Costa Rican Colón (CRC)</option>
            <option value="CZK">Czech Republic Koruna (CZK)</option>
            <option value="DKK">Danish Krone (DKK)</option>
            <option value="DOP">Dominican Peso (DOP)</option>
            <option value="DZD">Algerian Dinar (DZD)</option>
            <option value="EEK">Estonian Kroon (EEK)</option>
            <option value="EGP">Egyptian Pound (EGP)</option>
            <option value="EUR">Euro (EUR)</option>
            <option value="FJD">Fijian Dollar (FJD)</option>
            <option value="GBP">British Pound Sterling (GBP)</option>
            <option value="HKD">Hong Kong Dollar (HKD)</option>
            <option value="HNL">Honduran Lempira (HNL)</option>
            <option value="HRK">Croatian Kuna (HRK)</option>
            <option value="HUF">Hungarian Forint (HUF)</option>
            <option value="IDR">Indonesian Rupiah (IDR)</option>
            <option value="ILS">Israeli New Sheqel (ILS)</option>
            <option value="INR">Indian Rupee (INR)</option>
            <option value="JMD">Jamaican Dollar (JMD)</option>
            <option value="JOD">Jordanian Dinar (JOD)</option>
            <option value="JPY">Japanese Yen (JPY)</option>
            <option value="KES">Kenyan Shilling (KES)</option>
            <option value="KRW">South Korean Won (KRW)</option>
            <option value="KWD">Kuwaiti Dinar (KWD)</option>
            <option value="KYD">Cayman Islands Dollar (KYD)</option>
            <option value="KZT">Kazakhstani Tenge (KZT)</option>
            <option value="LBP">Lebanese Pound (LBP)</option>
            <option value="LKR">Sri Lankan Rupee (LKR)</option>
            <option value="LTL">Lithuanian Litas (LTL)</option>
            <option value="LVL">Latvian Lats (LVL)</option>
            <option value="MAD">Moroccan Dirham (MAD)</option>
            <option value="MDL">Moldovan Leu (MDL)</option>
            <option value="MKD">Macedonian Denar (MKD)</option>
            <option value="MUR">Mauritian Rupee (MUR)</option>
            <option value="MVR">Maldivian Rufiyaa (MVR)</option>
            <option value="MXN">Mexican Peso (MXN)</option>
            <option value="MYR">Malaysian Ringgit (MYR)</option>
            <option value="NAD">Namibian Dollar (NAD)</option>
            <option value="NGN">Nigerian Naira (NGN)</option>
            <option value="NIO">Nicaraguan Córdoba (NIO)</option>
            <option value="NOK">Norwegian Krone (NOK)</option>
            <option value="NPR">Nepalese Rupee (NPR)</option>
            <option value="NZD">New Zealand Dollar (NZD)</option>
            <option value="OMR">Omani Rial (OMR)</option>
            <option value="PEN">Peruvian Nuevo Sol (PEN)</option>
            <option value="PGK">Papua New Guinean Kina (PGK)</option>
            <option value="PHP">Philippine Peso (PHP)</option>
            <option value="PKR">Pakistani Rupee (PKR)</option>
            <option value="PLN">Polish Zloty (PLN)</option>
            <option value="PYG">Paraguayan Guarani (PYG)</option>
            <option value="QAR">Qatari Rial (QAR)</option>
            <option value="RON">Romanian Leu (RON)</option>
            <option value="RSD">Serbian Dinar (RSD)</option>
            <option value="RUB">Russian Ruble (RUB)</option>
            <option value="SAR">Saudi Riyal (SAR)</option>
            <option value="SCR">Seychellois Rupee (SCR)</option>
            <option value="SEK">Swedish Krona (SEK)</option>
            <option value="SGD">Singapore Dollar (SGD)</option>
            <option value="SKK">Slovak Koruna (SKK)</option>
            <option value="SLL">Sierra Leonean Leone (SLL)</option>
            <option value="SVC">Salvadoran Colón (SVC)</option>
            <option value="THB">Thai Baht (THB)</option>
            <option value="TND">Tunisian Dinar (TND)</option>
            <option value="TRY">Turkish Lira (TRY)</option>
            <option value="TTD">Trinidad and Tobago Dollar (TTD)</option>
            <option value="TWD">New Taiwan Dollar (TWD)</option>
            <option value="TZS">Tanzanian Shilling (TZS)</option>
            <option value="UAH">Ukrainian Hryvnia (UAH)</option>
            <option value="UGX">Ugandan Shilling (UGX)</option>
            <option value="USD">US Dollar (USD)</option>
            <option value="UYU">Uruguayan Peso (UYU)</option>
            <option value="UZS">Uzbekistan Som (UZS)</option>
            <option value="VEF">Venezuelan Bolívar (VEF)</option>
            <option value="VND">Vietnamese Dong (VND)</option>
            <option value="XOF">CFA Franc BCEAO (XOF)</option>
            <option value="YER">Yemeni Rial (YER)</option>
            <option value="ZAR">South African Rand (ZAR)</option>
            <option value="ZMK">Zambian Kwacha (ZMK)</option>
        </select></td>
       </tr>
       <tr> <td align="right">to:</td><td>
        <select id="ddlto">
            <option value="AED">United Arab Emirates Dirham (AED)</option>
            <option value="ANG">Netherlands Antillean Guilder (ANG)</option>
            <option value="ARS">Argentine Peso (ARS)</option>
            <option value="AUD">Australian Dollar (AUD)</option>
            <option value="BDT">Bangladeshi Taka (BDT)</option>
            <option value="BGN">Bulgarian Lev (BGN)</option>
            <option value="BHD">Bahraini Dinar (BHD)</option>
            <option value="BND">Brunei Dollar (BND)</option>
            <option value="BOB">Bolivian Boliviano (BOB)</option>
            <option value="BRL">Brazilian Real (BRL)</option>
            <option value="BWP">Botswanan Pula (BWP)</option>
            <option value="CAD">Canadian Dollar (CAD)</option>
            <option value="CHF">Swiss Franc (CHF)</option>
            <option value="CLP">Chilean Peso (CLP)</option>
            <option value="CNY">Chinese Yuan (CNY)</option>
            <option value="COP">Colombian Peso (COP)</option>
            <option value="CRC">Costa Rican Colón (CRC)</option>
            <option value="CZK">Czech Republic Koruna (CZK)</option>
            <option value="DKK">Danish Krone (DKK)</option>
            <option value="DOP">Dominican Peso (DOP)</option>
            <option value="DZD">Algerian Dinar (DZD)</option>
            <option value="EEK">Estonian Kroon (EEK)</option>
            <option value="EGP">Egyptian Pound (EGP)</option>
            <option value="EUR">Euro (EUR)</option>
            <option value="FJD">Fijian Dollar (FJD)</option>
            <option value="GBP">British Pound Sterling (GBP)</option>
            <option value="HKD">Hong Kong Dollar (HKD)</option>
            <option value="HNL">Honduran Lempira (HNL)</option>
            <option value="HRK">Croatian Kuna (HRK)</option>
            <option value="HUF">Hungarian Forint (HUF)</option>
            <option value="IDR">Indonesian Rupiah (IDR)</option>
            <option value="ILS">Israeli New Sheqel (ILS)</option>
            <option value="INR">Indian Rupee (INR)</option>
            <option value="JMD">Jamaican Dollar (JMD)</option>
            <option value="JOD">Jordanian Dinar (JOD)</option>
            <option value="JPY">Japanese Yen (JPY)</option>
            <option value="KES">Kenyan Shilling (KES)</option>
            <option value="KRW">South Korean Won (KRW)</option>
            <option value="KWD">Kuwaiti Dinar (KWD)</option>
            <option value="KYD">Cayman Islands Dollar (KYD)</option>
            <option value="KZT">Kazakhstani Tenge (KZT)</option>
            <option value="LBP">Lebanese Pound (LBP)</option>
            <option value="LKR">Sri Lankan Rupee (LKR)</option>
            <option value="LTL">Lithuanian Litas (LTL)</option>
            <option value="LVL">Latvian Lats (LVL)</option>
            <option value="MAD">Moroccan Dirham (MAD)</option>
            <option value="MDL">Moldovan Leu (MDL)</option>
            <option value="MKD">Macedonian Denar (MKD)</option>
            <option value="MUR">Mauritian Rupee (MUR)</option>
            <option value="MVR">Maldivian Rufiyaa (MVR)</option>
            <option value="MXN">Mexican Peso (MXN)</option>
            <option value="MYR">Malaysian Ringgit (MYR)</option>
            <option value="NAD">Namibian Dollar (NAD)</option>
            <option value="NGN">Nigerian Naira (NGN)</option>
            <option value="NIO">Nicaraguan Córdoba (NIO)</option>
            <option value="NOK">Norwegian Krone (NOK)</option>
            <option value="NPR">Nepalese Rupee (NPR)</option>
            <option value="NZD">New Zealand Dollar (NZD)</option>
            <option value="OMR">Omani Rial (OMR)</option>
            <option value="PEN">Peruvian Nuevo Sol (PEN)</option>
            <option value="PGK">Papua New Guinean Kina (PGK)</option>
            <option value="PHP">Philippine Peso (PHP)</option>
            <option value="PKR">Pakistani Rupee (PKR)</option>
            <option value="PLN">Polish Zloty (PLN)</option>
            <option value="PYG">Paraguayan Guarani (PYG)</option>
            <option value="QAR">Qatari Rial (QAR)</option>
            <option value="RON">Romanian Leu (RON)</option>
            <option value="RSD">Serbian Dinar (RSD)</option>
            <option value="RUB">Russian Ruble (RUB)</option>
            <option value="SAR">Saudi Riyal (SAR)</option>
            <option value="SCR">Seychellois Rupee (SCR)</option>
            <option value="SEK">Swedish Krona (SEK)</option>
            <option value="SGD">Singapore Dollar (SGD)</option>
            <option value="SKK">Slovak Koruna (SKK)</option>
            <option value="SLL">Sierra Leonean Leone (SLL)</option>
            <option value="SVC">Salvadoran Colón (SVC)</option>
            <option value="THB">Thai Baht (THB)</option>
            <option value="TND">Tunisian Dinar (TND)</option>
            <option value="TRY">Turkish Lira (TRY)</option>
            <option value="TTD">Trinidad and Tobago Dollar (TTD)</option>
            <option value="TWD">New Taiwan Dollar (TWD)</option>
            <option value="TZS">Tanzanian Shilling (TZS)</option>
            <option value="UAH">Ukrainian Hryvnia (UAH)</option>
            <option value="UGX">Ugandan Shilling (UGX)</option>
            <option value="USD">US Dollar (USD)</option>
            <option value="UYU">Uruguayan Peso (UYU)</option>
            <option value="UZS">Uzbekistan Som (UZS)</option>
            <option value="VEF">Venezuelan Bolívar (VEF)</option>
            <option value="VND">Vietnamese Dong (VND)</option>
            <option value="XOF">CFA Franc BCEAO (XOF)</option>
            <option value="YER">Yemeni Rial (YER)</option>
            <option value="ZAR">South African Rand (ZAR)</option>
            <option value="ZMK">Zambian Kwacha (ZMK)</option>
        </select></td></tr>
        <tr><td></td><td> <input id="btnConvert" type="button" value="Convert" /></td></tr>
    </table>
   <div style="overflow:hidden; padding:10px; width:500px; margin:10px; background:#B52025; border:solid 1px #ccc;">

    <div id="currency_converter_result" style="padding: 2px; margin: 5px; font-weight:bold; font-size:14pt">
    </div>
</div>
    </form>
</body>
</html>

C# .CS File

using System.Net;
using System.Text.RegularExpressions;
using System.Web.Services;


[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]

[System.Web.Script.Services.ScriptService]
public class WebService : System.Web.Services.WebService
{
    [WebMethod]
    public string CurrencyConversion(decimal amount, string fromCurrency, string toCurrency)
    {
        WebClient web = new WebClient();
        string url = string.Format("http://www.google.com/ig/calculator?hl=en&q={2}{0}%3D%3F{1}", fromCurrency.ToUpper(), toCurrency.ToUpper(), amount);
        string response = web.DownloadString(url);
        Regex regex = new Regex(@":(?<rhs>.+?),");
        string[] arrDigits = regex.Split(response);
        string rate = arrDigits[3];
        return rate;
    }
}

VB

Imports System.Net
Imports System.Text.RegularExpressions
Imports System.Web.Services


<System.Web.Script.Services.ScriptService()> _
<WebService(Namespace:="http://tempuri.org/")> _
<WebServiceBinding(ConformsTo:=WsiProfiles.BasicProfile1_1)> _
Public Class WebService2
Inherits System.Web.Services.WebService
<WebMethod()> _
Public Function CurrencyConversion(ByVal amount As Decimal, ByVal fromCurrency As String, ByVal toCurrency As String) As String
Dim web As New WebClient()
Dim url As String = String.Format("http://www.google.com/ig/calculator?hl=en&q={2}{0}%3D%3F{1}", fromCurrency.ToUpper(), toCurrency.ToUpper(), amount)
Dim response As String = web.DownloadString(url)
Dim regex As New Regex(":(?<rhs>.+?),")
Dim arrDigits As String() = regex.Split(response)
Dim rate As String = arrDigits(3)
Return rate
End Function
End Class


Demo:


How To Make Google Currency Converter JSON API Example Using jQuery in c# And VB Asp.net
How To Make Google Currency Converter JSON API Example Using jQuery in c# And VB Asp.net

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