Sample: Create, retrieve, update, and delete an email attachment
Applies To: Dynamics CRM 2013
This sample code is for Microsoft Dynamics CRM 2013 and Microsoft Dynamics CRM Online. Download the Microsoft Dynamics CRM SDK package. It can be found in the following location in the download package:
SampleCode\CS\BusinessDataModel\Activities\CRUDEmailAttachments.cs
SampleCode\VB\BusinessDataModel\Activities\CRUDEmailAttachments.vb
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, retrieve, update, and delete email attachments using the following methods:
Example
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 = ServerConnection.GetOrganizationProxy(serverConfig))
{
// 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
}
}
Imports System.ServiceModel
Imports System.ServiceModel.Description
Imports System.Text
' These namespaces are found in the Microsoft.Xrm.Sdk.dll assembly
' found in the SDK\bin folder.
Imports Microsoft.Xrm.Sdk
Imports Microsoft.Xrm.Sdk.Query
Imports Microsoft.Xrm.Sdk.Discovery
Imports Microsoft.Xrm.Sdk.Messages
Imports Microsoft.Xrm.Sdk.Client
' This namespace is found in Microsoft.Crm.Sdk.Proxy.dll assembly
' found in the SDK\bin folder.
Imports Microsoft.Crm.Sdk.Messages
Namespace Microsoft.Crm.Sdk.Samples
Public Class CRUDEmailAttachments
#Region "Class Level Members"
''' <summary>
''' Stores the organization service proxy.
''' </summary>
Private _serviceProxy As OrganizationServiceProxy
' Define the IDs needed for this sample.
Private _emailId As Guid
Private _emailAttachmentId(2) As Guid
#End Region ' 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 Sub Run(ByVal serverConfig As ServerConnection.Configuration, ByVal promptForDelete As Boolean)
Try
' Connect to the Organization service.
' The using statement assures that the service proxy will be properly disposed.
_serviceProxy = ServerConnection.GetOrganizationProxy(serverConfig)
Using _serviceProxy
' This statement is required to enable early-bound type support.
_serviceProxy.EnableProxyTypes()
CreateRequiredRecords()
' Create three e-mail attachments
For i As Integer = 0 To 2
Dim _sampleAttachment As ActivityMimeAttachment = New ActivityMimeAttachment With { _
.ObjectId = New EntityReference(Email.EntityLogicalName, _emailId), .ObjectTypeCode = Email.EntityLogicalName, _
.Subject = String.Format("Sample Attachment {0}", i), _
.Body = Convert.ToBase64String(New ASCIIEncoding().GetBytes("Example Attachment")), _
.FileName = String.Format("ExampleAttachment{0}.txt", i)}
_emailAttachmentId(i) = _serviceProxy.Create(_sampleAttachment)
Next i
Console.WriteLine("Created three e-mail attachments for the e-mail activity.")
' Retrieve an attachment including its id, subject, filename and body.
Dim _singleAttachment As ActivityMimeAttachment = CType(_serviceProxy.Retrieve(ActivityMimeAttachment.EntityLogicalName, _
_emailAttachmentId(0), New ColumnSet("activitymimeattachmentid", "subject", "filename", "body")), _
ActivityMimeAttachment)
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.
Dim _attachmentQuery As QueryExpression = New QueryExpression With {.EntityName = ActivityMimeAttachment.EntityLogicalName, _
.ColumnSet = New ColumnSet("activitymimeattachmentid")}
_attachmentQuery.Criteria = New FilterExpression()
_attachmentQuery.Criteria.AddCondition("objectid", ConditionOperator.Equal, {_emailId})
_attachmentQuery.Criteria.AddCondition("objecttypecode", ConditionOperator.Equal, {Email.EntityLogicalName})
_attachmentQuery.Criteria.FilterOperator = LogicalOperator.And
Dim results As EntityCollection = _serviceProxy.RetrieveMultiple(_attachmentQuery)
Console.WriteLine("Retrieved all the e-mail attachments.")
DeleteRequiredRecords(promptForDelete)
End Using
' Catch any service fault exceptions that Microsoft Dynamics CRM throws.
Catch fe As FaultException(Of Microsoft.Xrm.Sdk.OrganizationServiceFault)
' You can handle an exception here or pass it back to the calling method.
Throw
End Try
End Sub
''' <summary>
''' This method creates any entity records that this sample requires.
''' Creates the email activity.
''' </summary>
Public Sub CreateRequiredRecords()
' Create Email Activity
Dim email As Email = New Email With {.Subject = "This is an example email", .ActivityId = Guid.NewGuid()}
_emailId = _serviceProxy.Create(email)
Console.WriteLine("An e-mail activity is created.")
End Sub
''' <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 Sub DeleteRequiredRecords(ByVal prompt As Boolean)
Dim deleteRecords As Boolean = True
If prompt Then
Console.WriteLine(vbLf & "Do you want these entity records deleted? (y/n)")
Dim answer As String = Console.ReadLine()
deleteRecords = (answer.StartsWith("y") OrElse answer.StartsWith("Y"))
End If
If deleteRecords Then
For j As Integer = 0 To 2
_serviceProxy.Delete(ActivityMimeAttachment.EntityLogicalName, _emailAttachmentId(j))
Next j
_serviceProxy.Delete(Email.EntityLogicalName, _emailId)
Console.WriteLine("Entity records have been deleted.")
End If
End Sub
#End Region ' 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>
Public Shared Sub Main(ByVal args() As String)
Try
' Obtain the target organization's Web address and client logon
' credentials from the user.
Dim serverConnect As New ServerConnection()
Dim config As ServerConnection.Configuration = serverConnect.GetServerConfiguration()
Dim app As New CRUDEmailAttachments()
app.Run(config, True)
Catch ex As FaultException(Of Microsoft.Xrm.Sdk.OrganizationServiceFault)
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}", If(Nothing Is ex.Detail.InnerFault, "No Inner Fault", "Has Inner Fault"))
Catch ex As TimeoutException
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}", If(Nothing Is ex.InnerException.Message, "No Inner Fault", ex.InnerException.Message))
Catch ex As Exception
Console.WriteLine("The application terminated with an error.")
Console.WriteLine(ex.Message)
' Display the details of the inner exception.
If ex.InnerException IsNot Nothing Then
Console.WriteLine(ex.InnerException.Message)
Dim fe As FaultException(Of Microsoft.Xrm.Sdk.OrganizationServiceFault) = TryCast(ex.InnerException, _
FaultException(Of Microsoft.Xrm.Sdk.OrganizationServiceFault))
If fe IsNot Nothing Then
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}", If(Nothing Is fe.Detail.InnerFault, "No Inner Fault", "Has Inner Fault"))
End If
End If
' Additional exceptions to catch: SecurityTokenValidationException, ExpiredSecurityTokenException,
' SecurityAccessDeniedException, MessageSecurityException, and SecurityNegotiationException.
Finally
Console.WriteLine("Press <Enter> to exit.")
Console.ReadLine()
End Try
End Sub
#End Region ' Main
End Class
End Namespace
See Also
IOrganizationService
Sample code for activity entities
Email activity entities
Sample: Retrieve email attachments for an email template
ActivityMimeAttachment (email attachment) entity messages and methods