Exemple : créer, récupérer, mettre à jour et supprimer la pièce jointe d’un courrier électronique
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\BusinessDataModel\Activities\CRUDEmailAttachments.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 les pièces jointes d’un courrier électronique à l’aide des méthodes suivantes :
Exemple
using System;
using System.ServiceModel;
using System.ServiceModel.Description;
using System.Text;
// These namespaces are found in the Microsoft.Xrm.Sdk.dll assembly
// found in the SDK\bin folder.
using Microsoft.Xrm.Sdk;
using Microsoft.Xrm.Sdk.Query;
using Microsoft.Xrm.Sdk.Discovery;
using Microsoft.Xrm.Sdk.Messages;
using Microsoft.Xrm.Sdk.Client;
// 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
{
public class CRUDEmailAttachments
{
#region Class Level Members
/// <summary>
/// Stores the organization service proxy.
/// </summary>
private OrganizationServiceProxy _serviceProxy;
// Define the IDs needed for this sample.
private Guid _emailId;
private Guid[] _emailAttachmentId = new Guid[3];
#endregion Class Level Members
#region How To Sample Code
/// <summary>
/// Create, Retrieve, Update and Delete an e-mail attachment.
/// <param name="serverConfig">Contains server connection information.</param>
/// <param name="promptforDelete">When True, the user will be prompted to delete all
/// created entities.</param>
/// </summary>
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();
// Create three e-mail attachments
for (int i = 0; i < 3; i++)
{
ActivityMimeAttachment _sampleAttachment = new ActivityMimeAttachment
{
ObjectId = new EntityReference(Email.EntityLogicalName, _emailId),
ObjectTypeCode = Email.EntityLogicalName,
Subject = String.Format("Sample Attachment {0}", i),
Body = System.Convert.ToBase64String(
new ASCIIEncoding().GetBytes("Example Attachment")),
FileName = String.Format("ExampleAttachment{0}.txt", i)
};
_emailAttachmentId[i] = _serviceProxy.Create(_sampleAttachment);
}
Console.WriteLine("Created three e-mail attachments for the e-mail activity.");
// Retrieve an attachment including its id, subject, filename and body.
ActivityMimeAttachment _singleAttachment =
(ActivityMimeAttachment)_serviceProxy.Retrieve(
ActivityMimeAttachment.EntityLogicalName,
_emailAttachmentId[0],
new ColumnSet("activitymimeattachmentid",
"subject",
"filename",
"body"));
Console.WriteLine("Retrieved an email attachment, {0}.", _singleAttachment.FileName);
// Update attachment
_singleAttachment.FileName = "ExampleAttachmentUpdated.txt";
_serviceProxy.Update(_singleAttachment);
Console.WriteLine("Updated the retrieved e-mail attachment to {0}.", _singleAttachment.FileName);
// Retrieve all attachments associated with the email activity.
QueryExpression _attachmentQuery = new QueryExpression
{
EntityName = ActivityMimeAttachment.EntityLogicalName,
ColumnSet = new ColumnSet("activitymimeattachmentid"),
Criteria = new FilterExpression
{
Conditions =
{
new ConditionExpression
{
AttributeName = "objectid",
Operator = ConditionOperator.Equal,
Values = {_emailId}
},
new ConditionExpression
{
AttributeName = "objecttypecode",
Operator = ConditionOperator.Equal,
Values = {Email.EntityLogicalName}
}
}
}
};
EntityCollection results = _serviceProxy.RetrieveMultiple(
_attachmentQuery);
Console.WriteLine("Retrieved all the e-mail attachments.");
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>
/// This method creates any entity records that this sample requires.
/// Creates the email activity.
/// </summary>
public void CreateRequiredRecords()
{
// Create Email Activity
Email email = new Email
{
Subject = "This is an example email",
ActivityId = Guid.NewGuid()
};
_emailId = _serviceProxy.Create(email);
Console.WriteLine("An e-mail activity is created.");
}
/// <summary>
/// Deletes the custom entity record that was created for this sample.
/// <param name="prompt">Indicates whether to prompt the user
/// to delete the entity 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)");
String answer = Console.ReadLine();
deleteRecords = (answer.StartsWith("y") || answer.StartsWith("Y"));
}
if (deleteRecords)
{
for (int j = 0; j < 3; j++)
{
_serviceProxy.Delete(ActivityMimeAttachment.EntityLogicalName, _emailAttachmentId[j]);
}
_serviceProxy.Delete(Email.EntityLogicalName, _emailId);
Console.WriteLine("Entity records have been deleted.");
}
}
#endregion How To Sample Code
#region Main
/// <summary>
/// Main. Runs the sample and provides error output.
/// <param name="args">Array of arguments to Main method.</param>
/// </summary>
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();
CRUDEmailAttachments app = new CRUDEmailAttachments();
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
}
}
Voir aussi
IOrganizationService
Exemple de code pour les entités d’activité
Entités d’activité de courrier électronique
Exemple : Extraire les pièces jointes de courrier électronique pour un modèle de courrier électronique
Messages et méthodes de l’entité ActivityMimeAttachment (pièce jointe de courrier électronique)
Microsoft Dynamics 365
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