Exemple : créer, récupérer, mettre à jour et supprimer des enregistrements (liaison anticipée)
Date de publication : janvier 2017
S’applique à : Dynamics 365 (online), Dynamics 365 (on-premises), Dynamics CRM 2016, Dynamics CRM Online
Cet exemple de code est pour Microsoft Dynamics 365 (Online et local).Téléchargez le package Kit de développement logiciel (SDK) de Microsoft Dynamics CRM. Il se trouve à l'emplacement suivant dans le package de téléchargement :
SampleCode\CS\GeneralProgramming\EarlyBound\CRUDOperations.cs
Configuration requise
Pour plus d'informations sur les conditions requises pour l'exécution de l'exemple de code fourni dans ce Kit de développement logiciel (SDK), consultez la rubrique Utiliser l’exemple de code et le code d’assistance.
Démontre
Cet exemple montre comment créer, récupérer, mettre à jour et supprimer des opérations sur un compte à l’aide de la classe à liaison anticipée. Cet exemple utilise les méthodes courantes suivantes :
Exemple
using System;
using System.ServiceModel;
using System.ServiceModel.Description;
// 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;
using Microsoft.Xrm.Sdk.Query;
using Microsoft.Xrm.Sdk.Client;
namespace Microsoft.Crm.Sdk.Samples
{
/// <summary>
/// Demonstrates how to do basic entity operations like create, retrieve,
/// update, and delete.</summary>
/// <remarks>
/// At run-time, you will be given the option to delete all the
/// database records created by this program.</remarks>
public class CRUDOperations
{
#region Class Level Members
private Guid _accountId;
private Guid _parentAccountId;
private OrganizationServiceProxy _serviceProxy;
#endregion Class Level Members
#region How To Sample Code
/// <summary>
/// This method first connects to the Organization service. Afterwards,
/// basic create, retrieve, update, and delete entity operations are performed.
/// </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))
{
// This statement is required to enable early-bound type support.
_serviceProxy.EnableProxyTypes();
CreateRequiredRecords();
// Instantiate an account object.
// See the Entity Metadata topic in the SDK documentation to determine
// which attributes must be set for each entity.
Account account = new Account { Name = "Fourth Coffee" };
// Create an account record named Fourth Coffee.
_accountId = _serviceProxy.Create(account);
Console.Write("{0} {1} created, ", account.LogicalName, account.Name);
// Retrieve the account containing several of its attributes.
ColumnSet cols = new ColumnSet(
new String[] { "name", "address1_postalcode", "lastusedincampaign", "versionnumber" });
Account retrievedAccount = (Account)_serviceProxy.Retrieve("account", _accountId, cols);
Console.Write("retrieved ");
// Retrieve version number of the account. Shows BigInt attribute usage.
long? versionNumber = retrievedAccount.VersionNumber;
if (versionNumber != null)
Console.WriteLine("version # {0}, ", versionNumber);
// Update the postal code attribute.
retrievedAccount.Address1_PostalCode = "98052";
// The address 2 postal code was set accidentally, so set it to null.
retrievedAccount.Address2_PostalCode = null;
// Shows usage of option set (picklist) enumerations defined in OptionSets.cs.
retrievedAccount.Address1_AddressTypeCode = new OptionSetValue((int)AccountAddress1_AddressTypeCode.Primary);
retrievedAccount.Address1_ShippingMethodCode = new OptionSetValue((int)AccountAddress1_ShippingMethodCode.DHL);
retrievedAccount.IndustryCode = new OptionSetValue((int)AccountIndustryCode.AgricultureandNonpetrolNaturalResourceExtraction);
// Shows use of a Money value.
retrievedAccount.Revenue = new Money(5000000);
// Shows use of a Boolean value.
retrievedAccount.CreditOnHold = false;
// Shows use of EntityReference.
retrievedAccount.ParentAccountId = new EntityReference(Account.EntityLogicalName, _parentAccountId);
// Shows use of Memo attribute.
retrievedAccount.Description = "Account for Fourth Coffee.";
// Update the account record.
_serviceProxy.Update(retrievedAccount);
Console.WriteLine("and updated.");
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;
}
}
/// <summary>
/// Creates any entity records that this sample requires.
/// </summary>
public void CreateRequiredRecords()
{
// For this sample, all required entities are created in the Run() method.
Account account = new Account { Name = "Sample Parent Account" };
_parentAccountId = _serviceProxy.Create(account);
}
/// <summary>
/// Deletes any entity records that were created for this sample.
/// <param name="prompt">Indicates whether to prompt the user
/// to delete the records created in this sample.</param>
/// </summary>
public void DeleteRequiredRecords(bool prompt)
{
bool deleteRecords = true;
if (prompt)
{
Console.WriteLine("\nDo you want these entity records deleted? (y/n) [y]: ");
String answer = Console.ReadLine();
deleteRecords = (answer.StartsWith("y") || answer.StartsWith("Y") || answer == String.Empty);
}
if (deleteRecords)
{
_serviceProxy.Delete(Account.EntityLogicalName, _accountId);
_serviceProxy.Delete(Account.EntityLogicalName, _parentAccountId);
Console.WriteLine("Entity records have been deleted.");
}
}
#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();
CRUDOperations app = new CRUDOperations();
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("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("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
}
}
Voir aussi
IOrganizationService
Utiliser les classes d’entité à liaison anticipée dans le code
Exemple : associer des enregistrements (liaison anticipée)
Exemple : créer, récupérer, mettre à jour et supprimer (liaison tardive)
Microsoft Dynamics 365
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