我尝试发送电子邮件，下面的代码工作正常但电子邮件一次发送两次。我尝试了很多，但我不知道我犯了什么错误。
RTElapsedTime.cs:
public void Elapsed()
{
T1.Elapsed += new ElapsedEventHandler(T1_Elapsed);
T1.Interval = 60000;
T1.Enabled = true;
}
public void T1_Elapsed(object source, ElapsedEventArgs e)
{
try
{
MatchingTime = DateTime.Now.ToString("HH:mm");
EmailMgr = new MachineBL(RTSqlConnection.Provider, RTSqlConnection.ConnectionString);
DataTable dt = EmailMgr.EmailServiceScheduleTimeIntervalRunTime(MatchingTime.ToString());
TraceImplogs.TraceLTService(DateTime.Now.ToString("dd/MM/yyyy hh:mm:ss tt") + " " + "report schedule count : " + dt.Rows.Count);
foreach (DataRow r in dt.Rows)
{
T1.Enabled = false;
RTEmailManagement(r);
T1.Enabled = true;
}
TraceImplogs.TraceLTService(DateTime.Now.ToString("dd/MM/yyyy hh:mm:ss tt") + " " + "Tasks are completed.");
}
catch (Exception ex)
{
TraceImplogs.TraceLTService(ex.Message);
}
}
DataTable dataRPT1 = new DataTable();
public DataTable ReportGeneration2(EmailDTO EETO)
{
EmailMgr = new MachineBL(RTSqlConnection.Provider, RTSqlConnection.ConnectionString);
dataRPT1 = EmailMgr.EmailLatearrivalReport(EETO.Departments, "0", EETO.ReportType);
return dataRPT1;
}
public void RTEmailManagement(DataRow dr)
{
EDTO = null;
EDTO = new EmailDTO();
MatchingTime = DateTime.Now.ToString("HH:mm");
EDTO.SecondTime = MatchingTime;
EDTO.ScheduleTime = dr["rshtime"].ToString();
EDTO.ToEmails = dr["rsh_altrntmail"].ToString();
EDTO.CcEmails = dr["rsh_ccmail"].ToString().Split(';');
EDTO.Subject = dr["rsh_subjct"].ToString();
EDTO.ReportID = dr["reportid"].ToString();
EDTO.Departments = dr["rsh_dept"].ToString();
EDTO.ReportType = Convert.ToInt32(dr["rsh_typly"].ToString());
EDTO.weekly = dr["rsh_day"].ToString();
EDTO.Monthly = dr["rsh_dayofmnth"].ToString();
EDTO.Day = dr["xday"].ToString();
EDTO.Body = dr["rsh_body"].ToString();
EDTO.langcode = Convert.ToInt32(dr["langcode"].ToString());
CompanyID = Int32.Parse(dr["Company_id"].ToString());
dataRPT1 = ReportGeneration2(EDTO);
TraceImplogs.TraceLTService(DateTime.Now.ToString("dd/MM/yyyy hh:mm:ss tt") + " " + "report schedule count---- : " + dataRPT1.Rows.Count);
foreach (DataRow r in dataRPT1.Rows)
{
EDTO.CcEmails = new List<string>(EDTO.CcEmails) { r["Manager"].ToString() }.ToArray();
EDTO.CcEmails = EDTO.CcEmails.Distinct().ToArray();
//EDTO.CcEmails[EDTO.CcEmails.Length-1] = dataRPT1.Rows[k]["Manager"].ToString();
EDTO.ToEmails1 = r["email_addr"].ToString();
EDTO.LateArrival = r["LateArrivals"].ToString();
if (EDTO.ScheduleTime == EDTO.SecondTime)
{
TraceImplogs.TraceLTService(DateTime.Now.ToString("dd/MM/yyyy hh:mm:ss tt") + " " + "time matched");
switch (Convert.ToInt32(EDTO.ReportType))
{
case 0:
case 1:
EmailConfiguration(CompanyID, EDTO);
break;
case 2:
//TraceImplogs.TraceLTService("tyoe 2 new");
EmailConfiguration(CompanyID, EDTO);
break;
case 3:
// TraceImplogs.TraceLTService("tyoe 3 new");
EmailConfiguration(CompanyID, EDTO);
break;
default:
break;
}
}
}
// else TraceImplogs.TraceLTService(DateTime.Now.ToString("dd/MM/yyyy hh:mm:ss tt") + " " + "not matching");
}
public void EmailConfiguration(int compid, EmailDTO EDTO)
{
try
{
ConfigDTO mlDTO = new ConfigDTO();
EmailMgr = new MachineBL(RTSqlConnection.Provider, RTSqlConnection.ConnectionString);
DataTable EmailConfigDT = EmailMgr.SelectAllCompanyEmailConfiguration(compid);
RTMailProcessing Mprocess = new RTMailProcessing();
mlDTO.ConfigMail = EmailConfigDT.Rows[0]["comp_email"].ToString();
mlDTO.ConfigPwd = EmailConfigDT.Rows[0]["comp_pwd"].ToString();
mlDTO.ConfigHost = EmailConfigDT.Rows[0]["host_name"].ToString();
mlDTO.ConfigPort = Convert.ToInt32(EmailConfigDT.Rows[0]["host_port"].ToString());
Mprocess.EmailProcessing(mlDTO, EDTO);
}
catch (Exception ex)
{
TraceImplogs.TraceLTService(ex.Message + " Email Error");
}
}
电子邮件处理cs代码。
RtMailprocessing.cs：
public void EmailProcessing(ConfigDTO conDTO, EmailDTO EDTO)
{
RTMsg.language(EDTO.langcode);
conDTO.ConfigPwd = utility.Decrypt_Secure_Keylock(conDTO.ConfigPwd);
// TraceImplogs.TraceLTService("Entered Config file" + conDTO.ConfigPwd);
SmtpClient smtp = new SmtpClient
{
Host = conDTO.ConfigHost,
Port = conDTO.ConfigPort,
EnableSsl = true,
DeliveryMethod = SmtpDeliveryMethod.Network,
UseDefaultCredentials = false,
Credentials = new System.Net.NetworkCredential(conDTO.ConfigMail, conDTO.ConfigPwd)
// Timeout = 30000,
};
ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(ValidateServerCertificate);
// TraceImplogs.TraceLTService("Entered inside");
if (EDTO.ToEmails != "")
{
using (System.Net.Mail.MailMessage message = new System.Net.Mail.MailMessage(conDTO.ConfigMail, EDTO.ToEmails1, EDTO.Subject, EDTO.Body))
{
for (int k = 0; k < EDTO.CcEmails.Length; k++)
{
if (EDTO.CcEmails[k] != "")
{
message.CC.Add(EDTO.CcEmails[k].TrimEnd(';'));
}
else
{
TraceImplogs.TraceLTService(DateTime.Now.ToString("dd/MM/yyyy hh:mm:ss tt") + " " + "Ccmails are empty");
}
}
message.CC.Add(EDTO.ToEmails);
message.Subject = ""; message.Body = "";
message.Subject = EDTO.Subject;
message.SubjectEncoding = System.Text.Encoding.UTF8;
// ReportGeneration(EDTO);
string EmailBody = "";
if (attach != null)
{
message.Attachments.Add(attach);
string[] RepBody = EDTO.Body.Split(new string[] { "\r\n", "\n" }, StringSplitOptions.None);
/*****with attachment***/
foreach (string lines in RepBody)
{
EmailBody += "<p style='font-family: Arial, Helvetica, sans-serif; font-size: 12px; color: #333333; margin-left: 10px'>" + lines + "</p>";
}
message.Body = "Email Testing";
message.BodyEncoding = System.Text.Encoding.UTF8;
//message.Attachments.Dispose();
//message.Dispose();
}
if (dataRPT.Rows.Count < 1)
{
message.Body ="Test Email";
message.BodyEncoding = System.Text.Encoding.UTF8;
message.Attachments.Clear();
}
message.IsBodyHtml = true; //Send this as plain-text
smtp.Send(message);
TraceImplogs.TraceLTService(DateTime.Now.ToString("dd/MM/yyyy hh:mm:ss tt") + " " + NameRPT + " sent successfully.");
message.CC.Clear();
//((IDisposable)smtp).Dispose();
//message.Attachments.Dispose();
//message.Dispose();
}
}
}
当我使用断点循环调试时只运行一次，但我收到了两封电子邮件。我不知道我犯了什么错误。
提前致谢。
答案 0 :(得分：1)
我要猜测，你不能取消订阅活动：
T1.Elapsed += new ElapsedEventHandler(T1_Elapsed);
您需要取消订阅：
T1.Elapsed -= new ElapsedEventHandler(T1_Elapsed);
电子邮件服务器处理了这两封邮件并同时发送。