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Revision: 33709
at October 12, 2010 13:52 by kyrathaba


Initial Code
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            private void button1_Click(object sender, EventArgs e) {
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                 DialogResult dr = MessageBox.Show("Send email?", "Get Permission", MessageBoxButtons.YesNo, MessageBoxIcon.Question,
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                     MessageBoxDefaultButton.Button2);
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                 if (dr == DialogResult.Yes) {
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                     SmtpClient smtpClnt = new SmtpClient("smtp.gmail.com", 587);
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                     try {
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                         MailMessage oMail = new MailMessage();
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                         oMail.To.Add(new MailAddress("[email protected]"));
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                         oMail.From = new MailAddress("[email protected]");
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                         oMail.IsBodyHtml = true;
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                         oMail.Body = "your message body goes here";
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                         oMail.Subject = "your subject goes here";
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                         smtpClnt.Timeout = 100000;
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                         smtpClnt.EnableSsl = true;
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                         System.Net.NetworkCredential nc = new System.Net.NetworkCredential("[email protected]", "your_password");
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                         smtpClnt.Credentials = nc;
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                         Attachment oAttached = new Attachment("C:\\yourimage.jpg");
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                         oMail.Attachments.Add(oAttached);
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                         smtpClnt.SendCompleted += new SendCompletedEventHandler(MailDeliveryComplete);
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                         smtpClnt.SendAsync(oMail, "sending");
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                     }
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                     catch (Exception mailExc) {
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                         if (mailExc.ToString().IndexOf("could not be resolved") >= 0) {
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                             int line = mailExc.ToString().IndexOf("line");
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                             int leng = mailExc.ToString().Length;
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                             string sLin = mailExc.ToString().Substring(line, (leng - line));
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                             string s = "Either the developer's Gmail SMTP was unavailable, or else your computer is not currently ";
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                             s += "connected to the internet.  Error generated at source code " + sLin;
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                             MessageBox.Show(s, "Unable to send character file via email");
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                         }
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                         else {
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                             MessageBox.Show("Error:" + Environment.NewLine + Environment.NewLine +
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                                 mailExc.Message + Environment.NewLine + Environment.NewLine + mailExc.ToString());
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                         }
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                     }
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                     finally {
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                         //don't invoke smtpClnt.Dispose() here; if you do, the mail never sends
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                     }          
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                 }
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             }
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             private void MailDeliveryComplete(object sender, System.ComponentModel.AsyncCompletedEventArgs e) {
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                 string myMessage = e.ToString();
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                 string myCaption = string.Empty;
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                 if (e.Error != null) {
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                     myCaption = "Error sending email";
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                 }
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                 else if (e.Cancelled) {
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                     myCaption = "Sending of email cancelled.";
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                 }
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                 else {
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                     myCaption = "Your email message was sent successfully to the Game Master.";
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                 }
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                 MessageBox.Show(myMessage, myCaption);
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             }

Initial URL


Initial Description
Notes:\r\n\r\n(1) your namespace\'s using section should include the following:\r\nusing System.Net.Mail;\r\n\r\n(2) my example code places the email-sending code in a Button\'s Click() event-handler

Initial Title
Send Gmail email using C#

Initial Tags
email

Initial Language
C#