How to send email with or without attachment ?

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I am doing below code......When I choose attachment file for sending email then it goes to destination successfully.........But when I was not selected attachment file for sending email Then it display Successfully message..but actually did not got the mail.......How to solve it.......Thanks in advance................

C#

SmtpClient client = new SmtpClient("smtp.gmail.com", 587);
client.EnableSsl = true;
client.Timeout = 100000;
client.DeliveryMethod = SmtpDeliveryMethod.Network;
client.UseDefaultCredentials = false;
client.Credentials = new                                       NetworkCredential("Username", "Password");
MailMessage msg = new MailMessage();
msg.To.Add(txtto.Text);
msg.From = new MailAddress("@Username");
msg.Subject = txtsubject.Text;
msg.Body = txtmessage.Text;

if (!string.IsNullOrEmpty(txtattachment.Text))
{
  Attachment data = new Attachment(txtattachment.Text);
  msg.Attachments.Add(data);
}
client.Send(msg);

MessageBox.Show("successfully send.....");

Posted 10-Mar-15 22:21pm

Member 11227519

Updated 10-Mar-15 22:23pm

Praneet Nadkar

v2

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Peter Leow · Answer 1 · 2015-03-10T22:25:00

Solution 1

Refer: Sending an Email in C# with or without attachments: generic routine.[^]

Posted 10-Mar-15 22:25pm

Peter Leow

Comments

[no name] 11-Mar-15 4:35am

Good Answer Peter +5 :)

Peter Leow 11-Mar-15 4:39am

Thank you, RajeeshMenoth.

[no name] 11-Mar-15 4:40am

welcome :)

RajeeshMenoth · Answer 2 · 2015-03-10T22:32:00

Attaching document..

C#

using System.IO;
using System.Net;
using System.Net.Mail;
using System.Text;
using System.Globalization;

string to = "Toaddress@gmail.com";//To address
string from = "From_adress@gmail.com";//From address
MailMessage message = new MailMessage(from, to);

if (fuAttachment.HasFile)//Attaching document 
        {
            string FileName = Path.GetFileName(fuAttachment.PostedFile.FileName);
            message .Attachments.Add(new Attachment(fuAttachment.PostedFile.InputStream, FileName));
        }
message.Subject = txt_subject.text;
message.Body = mailbody;
message.BodyEncoding = Encoding.UTF8;
message.IsBodyHtml = true;
SmtpClient client = new SmtpClient("smtp.gmail.com", 587);
System.Net.NetworkCredential basicCredential1 = new
System.Net.NetworkCredential("yourmail id", "Password");
client.EnableSsl = true;
client.UseDefaultCredentials = false;
client.Credentials = basicCredential1;
try
{
client.Send(message);
}
catch (Exception ex)
{
throw ex;
}

Ref : how to send mail with attachement in asp.net