Smtp.NET 3 Documentation

SmtpServer.LastErrorCollection Property

Returns a string collection of all of the error messages in order. Useful for tracing.

[Visual Basic]
Public ReadOnly Property LastErrorCollection As ErrorCollection
[C#]
public Utility.ErrorCollection LastErrorCollection {get;}

Property Value

Contains a ErrorCollection object

Example

[C#]
            public void Send()
            {
                 SmtpServer oSmtpDotNet = new SmtpServer();
             
                 // Set the remote server name.  If left blank, "localhost" is used.
                 oSmtpDotNet.ServerAddress = "mail.domain.com";
                  
                 // Message Addressing
                 oSmtpDotNet.ToAddress = "to@domain.com";
                 oSmtpDotNet.FromAddress = "from@domain.com";
             
                 // Set the message subject and body
                 oSmtpDotNet.Body = "This is the message";
                 oSmtpDotNet.Subject = "Routine email";
            
                 ReturnCodes nRC = oSmtpDotNet.Send();
                 if ( nRC != ReturnCodes.SUCCESS )
                 {
                      Console.WriteLine("Error #"+nRC+" occurred.");
                      Console.WriteLine(oSmtpDotNet.LastError)
                      // Write out the log file contents
                      Console.WriteLine(oSmtpDotNet.LogFileToString(False));
                     
                   // The following example concatonates a string with all of the 
                   // strings in the LastErrorCollection.
                   string sErrorList = null;
                   foreach ( string sError in oSmtpServer.LastErrorCollection )
                   {
                        sErrorList += sError;
                   }
                   Console.WriteLine(sErrorList);		
                     return;
                 }
             
                 // Success!
                 Console.WriteLine("Success!");
            }
            
[VB]
            Public Function Send() As Integer
                 Dim oSmtpDotNet As New SmtpServer()
                 Dim nRC As ReturnCodes
            
                 ' Set the remote server name.  If left blank, "localhost" is used.
                 oSmtpDotNet.ServerAddress = "mail.domain.com"
                 
                 ' Message Addressing
                 oSmtpDotNet.FromAddress = "from@domain.com"
                 oSmtpDotNet.ToAddress = "to@domain.com"
            
                 ' Set the message subject and body
                 oSmtpDotNet.Subject = "Routine email"
                 oSmtpDotNet.Body = "This is a briefing of the financials"
                 
                 ' Send the message.  Get the return code and store it in the variable
                 ' nRC.  Then check nRC for success or failure
                 nRC = oSmtpDotNet.Send()
                 If (nRC <> ReturnCodes.SUCCESS) Then
                      ' A problem occurred.
                      ' Write out the last error encountered
                      Console.WriteLine(oSmtpDotNet.LastError)
                      ' Write out the log file contents
                      Console.WriteLine(oSmtpDotNet.LogFileToString(False))
                     
                      
                   ' The following example concatonates a string with all of the 
                   ' strings in the LastErrorCollection.  
                   string sErrorList = null
                   foreach ( string sError in oSmtpServer.LastErrorCollection )
                   {
                        sErrorList += sError
                   }
                   Console.WriteLine(sErrorList)		
                     Exit Function
                 End If
            
                 ' Success!
                 Console.WriteLine("Message Sent!")
            End Function
            

See Also

SmtpServer Class | SmtpServer Members | SmtpDotNet Namespace | LastError