how to delete attachment file after it is send as attachment mail in C#.net

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I am using System.Net.Mail for sending mail in asp.net. how to delete attachment file after it is send as attachment mail. I tried to use File.Delete method.. but i am getting this error. the process cannot access the file path\123412.html' because it is being used by another process.please give me a best solution

I am using this code

C#

string mailUserName = ConfigurationManager.AppSettings["MailUsername"].ToString();
          string mailPassword = ConfigurationManager.AppSettings["MailPassword"].ToString();
          string mailHostAddress = ConfigurationManager.AppSettings["HostAddress"].ToString();

          MailMessage mail = new MailMessage(mailUserName, EmailAddress.ToString());
          mail.Body = "<FONT face=Arial Black color=#3377b4 size=3>Dear Customer;
          mail.Attachments.Add(new Attachment(pfname));
          mail.Subject = "Your Ticket(" + strSPNR + ") confirmation";
          mail.IsBodyHtml = true;

          SmtpClient smtp;
          System.Net.NetworkCredential basicAuth;


          //            mail.Body = "<FONT face=Arial Black color=#3377b4 size=3>Dear Customer;

          smtp = new SmtpClient();
          basicAuth = new System.Net.NetworkCredential(mailUserName, mailPassword);
          smtp.EnableSsl = false;
          smtp.Host = mailHostAddress;
          smtp.UseDefaultCredentials = false;
          smtp.Credentials = basicAuth;
          try
          {
              smtp.Send(mail);
              mail.Attachments.Clear();
              ((IDisposable)mail).Dispose();

              if (File.Exists(pfname))
              {
                   File.Delete(pfname);

              }

I am using this code. file saved in server path but file did not delete . I am using 'File.Delete(pfname);' . but file not deleting . how to solve............

regards

Posted 4-Apr-12 0:00am

vignesh9894620769

Updated 4-Apr-12 2:09am

Not Active

v5

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perilbrain 4-Apr-12 6:07am

Did you close the connection ???? after sending the mail...???

3 solutions

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Not Active · Answer 1 · 2012-04-04T02:11:00

Solution 1

My first thought would be the file in use exception is because the email client has not yet sent the message and still is using the file. You could write a timer service that clears the folder on a scheduled basis.

Posted 4-Apr-12 2:11am

Not Active

charles henington · Answer 2 · 2012-04-06T17:47:00

C#

try
            {
                smtp.Send(mail);
            }
              finally
            {
                  mail.Attachments.Clear();
                  if (File.Exists(pfname))
                {
                     File.Delete(pfname);
                    
                }
            }

Devang30182 · Answer 3 · 2013-04-14T21:33:00

Solution 3

i guess finally blocks works if you use Send method, but how to solve similar case if we send mail through SendAsync method

Posted 14-Apr-13 21:33pm

Devang30182