Attachment Constructor (String)

Initializes a new instance of the Attachment class with the specified content string.

Namespace:  System.Net.Mail
Assembly:  System (in System.dll)

public Attachment(
	string fileName


Type: System.String

A String that contains a file path to use to create this attachment.


fileName is null.


fileName is empty.

The properties are set as follows:

The following code example demonstrates how to call this constructor.

		public static void CreateMessageInlineAttachment2(string server, string
			// Create a message and set up the recipients.
			MailMessage message = new MailMessage(
			   "A text message for you.",
			   "Message: ");

			// Attach the message string to this e-mail message.
			Attachment data = new Attachment(textMessage);
			// Send textMessage as part of the e-mail body.
			ContentType content = data.ContentType;
			content.MediaType = MediaTypeNames.Text.Plain;
			//Send the message. 
			// Include credentials if the server requires them.
			SmtpClient client = new SmtpClient(server);
			client.Credentials = CredentialCache.DefaultNetworkCredentials;

	    try { 
      catch (Exception ex) {
        Console.WriteLine("Exception caught in CreateMessageInlineAttachment2: {0}", 
                    ex.ToString() );

.NET Framework

Supported in: 4.5.2, 4.5.1, 4.5, 4, 3.5, 3.0, 2.0

.NET Framework Client Profile

Supported in: 4, 3.5 SP1

Windows 8.1, Windows Server 2012 R2, Windows 8, Windows Server 2012, Windows 7, Windows Vista SP2, Windows Server 2008 (Server Core Role not supported), Windows Server 2008 R2 (Server Core Role supported with SP1 or later; Itanium not supported)

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see .NET Framework System Requirements.

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