Sample: Retrieve currency exchange rate
Applies To: Dynamics CRM 2015
This sample code is for Microsoft Dynamics CRM 2015 and Microsoft Dynamics CRM Online 2015 Update. Download the Microsoft Dynamics CRM SDK package. It can be found in the following location in the download package:
SampleCode\CS\BusinessDataModel\BusinessManagement\TransactionCurrencyExchangeRate.cs
Requirements
For more information about the requirements for running the sample code provided in this SDK, see Use the sample and helper code.
Demonstrates
This sample shows how to create a new currency, and how to retrieve and display the currency exchange rate relative to the organization’s base currency.
Example
using System;
using System.Linq;
using System.ServiceModel;
// These namespaces are found in the Microsoft.Xrm.Sdk.dll assembly
// located in the SDK\bin folder of the SDK download.
using Microsoft.Xrm.Sdk.Client;
using Microsoft.Xrm.Sdk.Discovery;
// This namespace is found in Microsoft.Crm.Sdk.Proxy.dll assembly
// found in the SDK\bin folder.
using Microsoft.Crm.Sdk.Messages;
namespace Microsoft.Crm.Sdk.Samples
{
/// <summary>
/// Demonstrates how to retrieve a currency's exchange rates.
/// </summary>
/// <param name="serverConfig">Contains server connection information.</param>
/// <param name="promptforDelete">When True, the user will be prompted to delete all
/// created entities.</param>
public class TransactionCurrencyExchangeRate
{
#region Class Level Members
private OrganizationServiceProxy _serviceProxy;
private ServiceContext _context;
private TransactionCurrency _currency;
#endregion Class Level Members
#region How To Sample Code
/// <summary>
/// This method first creates a new currency within the system, setting its
/// exchange rate to a pre-defined value. It then issues a
/// RetrieveExchangeRateRequest to get the exchange rate from the created
/// currency to the organization's base currency. Finally, it retrieves the
/// organization's base currency and displays the conversion rate.
/// </summary>
/// <param name="serverConfig">Contains server connection information.</param>
/// <param name="promptforDelete">When True, the user will be prompted to delete all
/// created entities.</param>
public void Run(ServerConnection.Configuration serverConfig, bool promptforDelete)
{
try
{
// Connect to the Organization service.
// The using statement assures that the service proxy will be properly disposed.
using (_serviceProxy = new OrganizationServiceProxy(serverConfig.OrganizationUri, serverConfig.HomeRealmUri,serverConfig.Credentials, serverConfig.DeviceCredentials))
// using the service context makes retrieving entities easier
using (_context = new ServiceContext(_serviceProxy))
{
// This statement is required to enable early-bound type support.
_serviceProxy.EnableProxyTypes();
String currentOrganizatoinUniqueName = GetCurrentOrganizationName(serverConfig);
CreateRequiredRecords();
RetrieveExchangeRateRequest request = new RetrieveExchangeRateRequest()
{
TransactionCurrencyId = _currency.Id
};
RetrieveExchangeRateResponse response =
(RetrieveExchangeRateResponse)_serviceProxy.Execute(request);
Console.WriteLine(" Retrieved exchange rate for created currency");
// get the base currency for the current org
var baseCurrencyName =
(from currency in _context.TransactionCurrencySet
join org in _context.OrganizationSet
on currency.Id equals org.BaseCurrencyId.Id
where org.Name == currentOrganizatoinUniqueName
select currency.CurrencyName).FirstOrDefault();
Console.WriteLine(" This organization's base currency is {0}",
baseCurrencyName);
Console.WriteLine(
" The conversion from {0} -> {1} is {2}",
_currency.CurrencyName,
baseCurrencyName,
response.ExchangeRate);
DeleteRequiredRecords(promptforDelete);
}
}
// Catch any service fault exceptions that Microsoft Dynamics CRM throws.
catch (FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault>)
{
// You can handle an exception here or pass it back to the calling method.
throw;
}
}
private string GetCurrentOrganizationName(ServerConnection.Configuration serverConfig)
{
using (DiscoveryServiceProxy _discoveryProxy = new DiscoveryServiceProxy(serverConfig.DiscoveryUri,
serverConfig.HomeRealmUri, serverConfig.Credentials, serverConfig.DeviceCredentials))
{
RetrieveOrganizationsRequest orgsRequest =
new RetrieveOrganizationsRequest()
{
AccessType = EndpointAccessType.Default,
Release = OrganizationRelease.Current
};
RetrieveOrganizationsResponse organizations =
(RetrieveOrganizationsResponse)_discoveryProxy.Execute(orgsRequest);
foreach (OrganizationDetail organization in organizations.Details)
{
foreach (var endpoint in organization.Endpoints)
{
if (endpoint.Value.ToLowerInvariant() == serverConfig.OrganizationUri.ToString().ToLowerInvariant())
return organization.FriendlyName;
}
}
}
return String.Empty;
}
#region Public Methods
public void CreateRequiredRecords()
{
Console.WriteLine(" Creating currency 'Canadian Dollar'");
// Create another currency
_currency = new TransactionCurrency()
{
CurrencyName = "Canadian Dollar",
CurrencyPrecision = 2,
ExchangeRate = (decimal)0.9755,
ISOCurrencyCode = "CAD", // Canadian Dollar currency code
CurrencySymbol = "$"
};
_currency.Id = _serviceProxy.Create(_currency);
}
public void DeleteRequiredRecords(bool prompt)
{
bool toBeDeleted = true;
if (prompt)
{
// Ask the user if the created entities should be deleted.
Console.Write("\nDo you want these entity records deleted? (y/n) [y]: ");
String answer = Console.ReadLine();
if (answer.StartsWith("y") ||
answer.StartsWith("Y") ||
answer == String.Empty)
{
toBeDeleted = true;
}
else
{
toBeDeleted = false;
}
}
if (toBeDeleted)
{
_serviceProxy.Delete(TransactionCurrency.EntityLogicalName,
_currency.Id);
Console.WriteLine("Entity records have been deleted.");
}
}
#endregion
#endregion How To Sample Code
#region Main method
/// <summary>
/// Standard Main() method used by most SDK samples.
/// </summary>
/// <param name="args"></param>
static public void Main(string[] args)
{
try
{
// Obtain the target organization's Web address and client logon
// credentials from the user.
ServerConnection serverConnect = new ServerConnection();
ServerConnection.Configuration config = serverConnect.GetServerConfiguration();
TransactionCurrencyExchangeRate app = new TransactionCurrencyExchangeRate();
app.Run(config, true);
}
catch (FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault> ex)
{
Console.WriteLine("The application terminated with an error.");
Console.WriteLine("Timestamp: {0}", ex.Detail.Timestamp);
Console.WriteLine("Code: {0}", ex.Detail.ErrorCode);
Console.WriteLine("Message: {0}", ex.Detail.Message);
Console.WriteLine("Plugin Trace: {0}", ex.Detail.TraceText);
Console.WriteLine("Inner Fault: {0}",
null == ex.Detail.InnerFault ? "No Inner Fault" : "Has Inner Fault");
}
catch (System.TimeoutException ex)
{
Console.WriteLine("The application terminated with an error.");
Console.WriteLine("Message: {0}", ex.Message);
Console.WriteLine("Stack Trace: {0}", ex.StackTrace);
Console.WriteLine("Inner Fault: {0}",
null == ex.InnerException.Message ? "No Inner Fault" : ex.InnerException.Message);
}
catch (System.Exception ex)
{
Console.WriteLine("The application terminated with an error.");
Console.WriteLine(ex.Message);
// Display the details of the inner exception.
if (ex.InnerException != null)
{
Console.WriteLine(ex.InnerException.Message);
FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault> fe = ex.InnerException
as FaultException<Microsoft.Xrm.Sdk.OrganizationServiceFault>;
if (fe != null)
{
Console.WriteLine("Timestamp: {0}", fe.Detail.Timestamp);
Console.WriteLine("Code: {0}", fe.Detail.ErrorCode);
Console.WriteLine("Message: {0}", fe.Detail.Message);
Console.WriteLine("Plugin Trace: {0}", fe.Detail.TraceText);
Console.WriteLine("Inner Fault: {0}",
null == fe.Detail.InnerFault ? "No Inner Fault" : "Has Inner Fault");
}
}
}
// Additional exceptions to catch: SecurityTokenValidationException, ExpiredSecurityTokenException,
// SecurityAccessDeniedException, MessageSecurityException, and SecurityNegotiationException.
finally
{
Console.WriteLine("Press <Enter> to exit.");
Console.ReadLine();
}
}
#endregion Main method
}
}
See Also
RetrieveExchangeRateRequest
Transaction Currency (currency) entity
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