Get FX Forward Rate

1. getFXForwardRate.cs

These four packages are required to be used.

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Step 1. Create class file to store content of the web response.

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2. GetFXForwardRate.aspx.cs

These 14 packages are required to be used.

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Step 2. Store details entered by the user.

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Step 3. Create URL which will be post to the server. User inputs need to be stored in the class created, and serialize into JSON format. In this function, both header and content are needed.

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Step 4. Post to the server, and store response. URL is sent using web request function, and a response will be send back from the server. The response need to be deserialized into the ‘getFXForwardRate’ class.

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Step 5. Obtain error code. If error code is ‘010000’ which means invocation successful, populate attributes of the ‘getFXForwardRate’ class into the Label. If error code is '010041', it means OTP has expired, and we will use the newOTP() function to prompt the user for the OTP again. Else, we will display the ErrorText and ErrorDetails.

The newOTP() function can be referred to under Common Stuff Section

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Overview of getFXForwardRate.cs

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

namespace Demo

{

   public class FXForwardRate

   {

       public string forward_rate { get; set; }

       public string quoteCurrencyInterestRate { get; set; }

       public string spot_rate { get; set; }

       public string baseCurrencyInterestRate { get; set; }

   }

   public class getFxForwardRateServiceRespHeader

   {

       public string ErrorText { get; set; }

       public object ErrorDetails { get; set; }

       public string GlobalErrorID { get; set; }

   }

   public class getFxForwardRateServiceResponse

   {

       public FXForwardRate FXForwardRate { get; set; }

       public getFxForwardRateServiceRespHeader ServiceRespHeader { get; set; }

   }

   public class getFxForwardRateContent

   {

       public getFxForwardRateServiceResponse ServiceResponse { get; set; }

   }

   public class getFxForwardRateRootObject

   {

       public getFxForwardRateContent Content { get; set; }

   }

}

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Overview of GetFXForwardRate.aspx.cs

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using DotNetOpenAuth.OAuth2;

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

using System.Collections.Specialized;

using System.Configuration;

using System.Net;

using System.IO;

using System.Data;

namespace Demo

{

   public partial class GetFXForwardRate : System.Web.UI.Page

   {

       protected void Page_Load(object sender, EventArgs e)

       {

       }

       protected void btnSend_Click(object sender, EventArgs e)

       {

           if (Page.IsValid)

           {

               try

               {

                   string quoteCurrency = txtquoteCurrency.Text;

                   string period = txtperiod.Text;

                   string baseCurrency = txtbaseCurrency.Text;

                   var header = new HeaderJson();

                   header.userID = "";

                   header.PIN = "";

                   header.serviceName = "getFXForwardRate";

                   header.OTP = "";

                   var headerJson = new HeaderJsonObject();

                   headerJson.Header = header;

                   string strHeader = JsonConvert.SerializeObject(headerJson);

                   var content = new ContentJson();

                   content.quoteCurrency = quoteCurrency;

                   content.period = period;

                   content.baseCurrency = baseCurrency;

                   var contentJson = new ContentJsonObject();

                   contentJson.Content = content;

                   string strContent = JsonConvert.SerializeObject(contentJson);

                   string url = "http://tbankonline.com/SMUtBank_API/Gateway?Header=" + strHeader + "&Content=" + strContent;

                   var webRequest = (HttpWebRequest)WebRequest.Create(url);

                   webRequest.ContentType = "application/json";

                   webRequest.Method = "POST";

                   var result = "";

                   var httpResponse = (HttpWebResponse)webRequest.GetResponse();

                   using (var streamReader = new StreamReader(httpResponse.GetResponseStream()))

                   {

                       result = streamReader.ReadToEnd();

                   }

                   getFxForwardRateRootObject FR = new getFxForwardRateRootObject();

                   FR = JsonConvert.DeserializeObject<getFxForwardRateRootObject>(result);

                   string globalErrorID = FR.Content.ServiceResponse.ServiceRespHeader.GlobalErrorID.ToString();

                   if (globalErrorID == "010000")

                   {

                       lblforwardrate.Text = FR.Content.ServiceResponse.FXForwardRate.forward_rate;

                       lblquoteCurrencyInterestRate.Text = FR.Content.ServiceResponse.FXForwardRate.quoteCurrencyInterestRate;

                       lblspotrate.Text = FR.Content.ServiceResponse.FXForwardRate.spot_rate;

                       lblbaseCurrencyInterestRate.Text = FR.Content.ServiceResponse.FXForwardRate.baseCurrencyInterestRate;

                   }

                   else

                   {

                       lblTest.Text = FR.Content.ServiceResponse.ServiceRespHeader.ErrorText.ToString();

                       string errorMessage = FR.Content.ServiceResponse.ServiceRespHeader.ErrorDetails.ToString();

                       lblErrorMessage.Text = errorMessage;

                   }

               }

               catch (Exception ex)

               {

                   lblExceptionMsg.Text = ex.ToString();

               }

           }

       }

   }

}

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