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ASP.NET Real-time Currency Converter using API (Google, Yahoo), Web service, and jQuery Ajax

By , 15 Jul 2012
 
CurrencyConverter_VS2008_GOOGLE-noexe.zip
CurrencyConverter_VS2008_GOOGLE
CurrencyConverter_VS2008_GOOGLE.sln
CurrencyConverter_VS2008_GOOGLE.suo
CurrencyConverter_VS2008_GOOGLE
bin
CurrencyConverter_VS2008_GOOGLE.pdb
ccGOOG.aspx
ccGOOG.aspx.cs
ccGOOG.aspx.designer.cs
CSS
cc.css
CurrencyConverter_VS2008_GOOGLE.csproj
CurrencyConverter_VS2008_GOOGLE.csproj.user
JQuery
ccGOOG.js
jquery-1.7.2.min.js
obj
Debug
CurrencyConverter_VS2008_GOOGLE.csproj.FileListAbsolute.txt
CurrencyConverter_VS2008_GOOGLE.pdb
TempPE
Properties
AssemblyInfo.cs
Web.config
WebService.asmx
WebService.asmx.cs
CurrencyConverter_VS2008_GOOGLE.zip
CurrencyConverter_VS2008_GOOGLE.sln
CurrencyConverter_VS2008_GOOGLE.suo
CurrencyConverter_VS2008_GOOGLE.dll
CurrencyConverter_VS2008_GOOGLE.pdb
ccGOOG.aspx
ccGOOG.aspx.cs
ccGOOG.aspx.designer.cs
cc.css
CurrencyConverter_VS2008_GOOGLE.csproj
CurrencyConverter_VS2008_GOOGLE.csproj.user
ccGOOG.js
jquery-1.7.2.min.js
CurrencyConverter_VS2008_GOOGLE.csproj.FileListAbsolute.txt
CurrencyConverter_VS2008_GOOGLE.dll
CurrencyConverter_VS2008_GOOGLE.pdb
AssemblyInfo.cs
Web.config
WebService.asmx
WebService.asmx.cs
CurrencyConverter_VS2008_YAHOO-noexe.zip
CurrencyConverter_VS2008_YAHOO
CurrencyConverter_VS2008_YAHOO.sln
CurrencyConverter_VS2008_YAHOO.suo
CurrencyConverter_VS2008_YAHOO
bin
CurrencyConverter_VS2008_YAHOO.pdb
ccYHOO.aspx
ccYHOO.aspx.cs
ccYHOO.aspx.designer.cs
CSS
cc.css
CurrencyConverter_VS2008_YAHOO.csproj
CurrencyConverter_VS2008_YAHOO.csproj.user
JQuery
ccYHOO.js
jquery-1.7.2.min.js
obj
Debug
CurrencyConverter_VS2008_YAHOO.csproj.FileListAbsolute.txt
CurrencyConverter_VS2008_YAHOO.pdb
TempPE
Properties
AssemblyInfo.cs
Web.config
WebService.asmx
WebService.asmx.cs
CurrencyConverter_VS2008_YAHOO.zip
CurrencyConverter_VS2008_YAHOO.sln
CurrencyConverter_VS2008_YAHOO.suo
CurrencyConverter_VS2008_YAHOO.dll
CurrencyConverter_VS2008_YAHOO.pdb
ccYHOO.aspx
ccYHOO.aspx.cs
ccYHOO.aspx.designer.cs
cc.css
CurrencyConverter_VS2008_YAHOO.csproj
CurrencyConverter_VS2008_YAHOO.csproj.user
ccYHOO.js
jquery-1.7.2.min.js
CurrencyConverter_VS2008_YAHOO.csproj.FileListAbsolute.txt
CurrencyConverter_VS2008_YAHOO.dll
CurrencyConverter_VS2008_YAHOO.pdb
AssemblyInfo.cs
Web.config
WebService.asmx
WebService.asmx.cs
CurrencyConverter_VS2010_GOOGLE-noexe.zip
CurrencyConverter_VS2010_GOOGLE
CurrencyConverter_VS2010_GOOGLE.sln
CurrencyConverter_VS2010_GOOGLE.suo
CurrencyConverter_VS2010_GOOGLE
bin
CurrencyConverter_VS2010_GOOGLE.pdb
ccGOOG.aspx
ccGOOG.aspx.cs
ccGOOG.aspx.designer.cs
CSS
cc.css
CurrencyConverter_VS2010_GOOGLE.csproj
CurrencyConverter_VS2010_GOOGLE.csproj.user
JQuery
ccGOOG.js
jquery-1.7.2.min.js
obj
Debug
CurrencyConverter_VS2010_GOOGLE.csproj.FileListAbsolute.txt
CurrencyConverter_VS2010_GOOGLE.pdb
DesignTimeResolveAssemblyReferencesInput.cache
TempPE
Properties
AssemblyInfo.cs
Web.config
Web.Debug.config
Web.Release.config
WebService.asmx
WebService.asmx.cs
CurrencyConverter_VS2010_GOOGLE.zip
CurrencyConverter_VS2010_GOOGLE.sln
CurrencyConverter_VS2010_GOOGLE.suo
CurrencyConverter_VS2010_GOOGLE.dll
CurrencyConverter_VS2010_GOOGLE.pdb
ccGOOG.aspx
ccGOOG.aspx.cs
ccGOOG.aspx.designer.cs
cc.css
CurrencyConverter_VS2010_GOOGLE.csproj
CurrencyConverter_VS2010_GOOGLE.csproj.user
ccGOOG.js
jquery-1.7.2.min.js
CurrencyConverter_VS2010_GOOGLE.csproj.FileListAbsolute.txt
CurrencyConverter_VS2010_GOOGLE.dll
CurrencyConverter_VS2010_GOOGLE.pdb
DesignTimeResolveAssemblyReferencesInput.cache
AssemblyInfo.cs
Web.config
Web.Debug.config
Web.Release.config
WebService.asmx
WebService.asmx.cs
CurrencyConverter_VS2010_YAHOO-noexe.zip
CurrencyConverter_VS2010_YAHOO
CurrencyConverter_VS2010_YAHOO.sln
CurrencyConverter_VS2010_YAHOO.suo
CurrencyConverter_VS2010_YAHOO
bin
CurrencyConverter_VS2010_YAHOO.pdb
ccYHOO.aspx
ccYHOO.aspx.cs
ccYHOO.aspx.designer.cs
CSS
cc.css
CurrencyConverter_VS2010_YAHOO.csproj
CurrencyConverter_VS2010_YAHOO.csproj.user
JQuery
ccYHOO.js
jquery-1.7.2.min.js
obj
Debug
CurrencyConverter_VS2010_YAHOO.csproj.FileListAbsolute.txt
CurrencyConverter_VS2010_YAHOO.pdb
DesignTimeResolveAssemblyReferencesInput.cache
TempPE
Properties
AssemblyInfo.cs
Web.config
Web.Debug.config
Web.Release.config
WebService.asmx
WebService.asmx.cs
CurrencyConverter_VS2010_YAHOO.zip
CurrencyConverter_VS2010_YAHOO.sln
CurrencyConverter_VS2010_YAHOO.suo
CurrencyConverter_VS2010_YAHOO.dll
CurrencyConverter_VS2010_YAHOO.pdb
ccYHOO.aspx
ccYHOO.aspx.cs
ccYHOO.aspx.designer.cs
cc.css
CurrencyConverter_VS2010_YAHOO.csproj
CurrencyConverter_VS2010_YAHOO.csproj.user
ccYHOO.js
jquery-1.7.2.min.js
CurrencyConverter_VS2010_YAHOO.csproj.FileListAbsolute.txt
CurrencyConverter_VS2010_YAHOO.dll
CurrencyConverter_VS2010_YAHOO.pdb
DesignTimeResolveAssemblyReferencesInput.cache
AssemblyInfo.cs
Web.config
Web.Debug.config
Web.Release.config
WebService.asmx
WebService.asmx.cs
 
/*
 * Created By Shemeer NS 
 * This Code is created for demo purpose and uploaded in Codeproject
 * My Other Articles in codeproject - http://www.codeproject.com/script/Articles/MemberArticles.aspx?amid=3175840
 * */

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Services;

using System.Net;
using System.Text.RegularExpressions;
using System.Web.Script.Services;
namespace CurrencyConverter
{
    /// <summary>
    /// Summary description for WebService
    /// </summary>
    [WebService(Namespace = "http://tempuri.org/")]
    [WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
    [System.ComponentModel.ToolboxItem(false)]
    [ScriptService]
    public class WebService : System.Web.Services.WebService
    {
        [WebMethod]
        public decimal ConvertYHOO(decimal amount, string fromCurrency, string toCurrency)
        {
            WebClient web = new WebClient();
            string url = string.Format("http://finance.yahoo.com/d/quotes.csv?e=.csv&f=sl1d1t1&s={0}{1}=X", fromCurrency.ToUpper(), toCurrency.ToUpper());
            string response = web.DownloadString(url);
            string[] values = Regex.Split(response, ",");
            decimal rate = System.Convert.ToDecimal(values[1]);
            return rate * amount;
        }
    }
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

About the Author

 Shemeer NS
Software Developer (Senior)
India India
Member
Technology Specialist | CodeProject MVP | Author | Geek | Netizen | Husband | ChessPlayer
 
Most of my articles are listed on top 5 of the respective 'Best articles of the month' and some of my articles are published on ASP.NET WebSite's Article of the Day section.
 
Check my contributions in Visual Studio Gallery and Code Project

About Article
Here I’m going to show a ASP.NET Real-time Currency Converter using Google’s/Yahoo’s API , jQuery Ajax, Webservice, $.ajax beforeSend Success Error, Webservice ScriptService Attribute, WebClient DownloadString
Type Article
Licence CPOL
First Posted 15 Jul 2012
Views 25,043
Downloads 3,476
Bookmarked 43 times

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