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MailMessage.Subject Property

Gets or sets the subject line for this e-mail message.

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

public string Subject { get; set; }

Property Value

Type: System.String
A String that contains the subject content.

Specify the encoding used for the subject by using the SubjectEncoding property.

The following code example demonstrates setting the Subject property.

		public static void CreateTestMessage2(string server)
		{
			string to = "jane@contoso.com";
			string from = "ben@contoso.com";
			MailMessage message = new MailMessage(from, to);
			message.Subject = "Using the new SMTP client.";
			message.Body = @"Using this new feature, you can send an e-mail message from an application very easily.";
			SmtpClient client = new SmtpClient(server);
			// Credentials are necessary if the server requires the client  
			// to authenticate before it will send e-mail on the client's behalf.
			client.UseDefaultCredentials = true;

      try {
			  client.Send(message);
			}  
			catch (Exception ex) {
			  Console.WriteLine("Exception caught in CreateTestMessage2(): {0}", 
                    ex.ToString() );			  
      }              
		}
public:
   static void CreateTestMessage2(String* server )
    {
        String* to = S"jane@contoso.com";
        String* from = S"ben@contoso.com";
        MailMessage* message = new MailMessage(from, to);
        message->Subject = S"Using the new SMTP client.";
        message->Body = S"Using this new feature, you can send an e-mail message from an application very easily.";
        SmtpClient* client = new SmtpClient(server);
        // Credentials are necessary if the server requires the client 
        // to authenticate before it will send e-mail on the client's behalf.
       client->UseDefaultCredentials = true;
       client->Send(message);
       client->Dispose();
    }

Windows 7, Windows Vista, Windows XP SP2, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP Starter Edition, Windows Server 2008 R2, Windows Server 2008, Windows Server 2003, Windows Server 2000 SP4, Windows Millennium Edition, Windows 98

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

.NET Framework

Supported in: 3.5, 3.0, 2.0

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