Send Meeting Request With C#

private void SendMeetingRequest()

        {

            SmtpClient sc = new SmtpClient("[smtp server address]");

            MailMessage msg = new MailMessage();

            msg.IsBodyHtml = true;

            

            msg.From = new MailAddress("example@exam.com", "Test");

            msg.To.Add(new MailAddress("example@exam.com", "Test"));

            msg.Subject = "Send Calendar Appointment Email";

            string path = upload.PostedFile.FileName;

           

            System.IO.Stream upLoadStream = upload.PostedFile.InputStream;

            System.Net.Mime.ContentType type = new System.Net.Mime.ContentType("text/html");

            LinkedResource lr = new LinkedResource(upLoadStream, "image/jpeg");

          

            lr.ContentId = "Image";

            msg.Body = "Here is the Body Content";

            //AlternateView view = AlternateView.CreateAlternateViewFromString(msg.Body + "<p><img src=cid:Image /></p>", type);

            AlternateView view = AlternateView.CreateAlternateViewFromString(msg.Body + "<p><img src='"+path+"' /></p>", type);

           

            view.LinkedResources.Add(lr);

            msg.AlternateViews.Add(view);

           // sc.Send(msg);//EMAIL

            StringBuilder str = new StringBuilder();

            str.AppendLine("BEGIN:VCALENDAR");

            str.AppendLine("PRODID:-//Test");

            str.AppendLine("VERSION:2.0");

            str.AppendLine("METHOD:REQUEST");

            str.AppendLine("BEGIN:VEVENT");

            str.AppendLine(string.Format("DTSTART:{0:yyyyMMddTHHmmssZ}", Convert.ToDateTime("2013.12.18 17:00:00")));

            str.AppendLine(string.Format("DTSTAMP:{0:yyyyMMddTHHmmssZ}", DateTime.UtcNow));

            str.AppendLine(string.Format("DTEND:{0:yyyyMMddTHHmmssZ}", Convert.ToDateTime("2013.12.19 17:00:00")));

            str.AppendLine("LOCATION: Dubai");

            str.AppendLine(string.Format("UID:{0}", Guid.NewGuid()));

            str.AppendLine(string.Format("DESCRIPTION:{0}", msg.Body));

            str.AppendLine(string.Format("X-ALT-DESC;FMTTYPE=text/html:{0}", msg.Body));

            str.AppendLine(string.Format("SUMMARY:{0}", msg.Subject));

            str.AppendLine(string.Format("ORGANIZER:MAILTO:{0}", msg.From.Address));

            str.AppendLine(string.Format("ATTENDEE;CN=\"{0}\";RSVP=TRUE:mailto:{1}", msg.To[0].DisplayName, msg.To[0].Address));

            str.AppendLine("BEGIN:VALARM");

            str.AppendLine("TRIGGER:-PT15M");

            str.AppendLine("ACTION:DISPLAY");

            str.AppendLine("DESCRIPTION:Reminder");

            str.AppendLine("END:VALARM");

            str.AppendLine("END:VEVENT");

            str.AppendLine("END:VCALENDAR");

            System.Net.Mime.ContentType ct = new System.Net.Mime.ContentType("text/calendar");

           // ct.Parameters.Add("method", "PUBLISH");

            ct.Parameters.Add("method", "REQUEST");

            ct.Parameters.Add("name", "Meeting.ics");

            AlternateView avCal = AlternateView.CreateAlternateViewFromString(str.ToString(), ct);

            msg.AlternateViews.Add(avCal);

            sc.Send(msg);//Meeting Request

        }