title: problem with mail attachment
body: <p>I'm having problem in  mail attachment.I'm using the fileupload control to get the path
  of the file from the local machine.</p>
  
  <p>It's giving the proper path but while attching the file from any folder its giving error "Invalid mail attachment".</p>
  
  <p>Following is the code..</p>
  
  <pre><code>  protected void sndmail_Click(object sender, EventArgs e)
      {
          objmail = new MailMessage();
          objmail.From = txt_sender.Text;
          objmail.To = txt_recipient.Text;
          objmail.Cc = txt_cc.Text;
          objmail.BodyFormat = MailFormat.Text;
          objmail.Priority = MailPriority.High;
          objmail.Subject = txt_sub.Text;
          objmail.Body = txt_body.Text;
          SmtpMail.SmtpServer = "localhost";
          SmtpMail.Send(objmail);
          Response.Write("Mail send successfully...");
  
      }
  
  
      protected void attch_Click(object sender, EventArgs e)
      {
          string mypath = System.IO.Path.GetFullPath(FileUpload1.FileName);
          MessageBox.Show(mypath); 
          MailAttachment attch = new MailAttachment(mypath);
  
          objmail.Attachments.Add(attch);
      }
  </code></pre>
  
  <p>Can you help me work out why I'm seeing this error?</p>