Dispatch an email without pausing for the task to complete its execution

Trying to avoid the delay caused by sending an email before exiting the page.

The application is performing a series of actions before exiting:

  1. Database interaction
  2. Sending Email (notifying a manager about the transaction)
  3. Exiting the page/application.

Code behind function:

    ExecEntryOnTbl(SQL);// <-- update / insert to database 
    sendMailNote(action);// <-- send mail with notification of update 

    exitTC(action, custid);<-- exit page.

    Done through Javascript:
    window.location.href = "someOtherPage.aspx"
    from code behind via 
    RegisterClientScriptBlock(...)

Looking for a way to address the issue:

How can I proceed to exitTC() without waiting for sendMailNote() to finish its task? Is it feasible?

  • Update the email class/method

    public static class mail
    {
        public static string aReciver, bSubject, cBody;
        public static void sendMailNoteExc()
        {
    
            string SmtpServer = "smtp.gmail.com";
            int port = 111;
            string sender = "<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="c2a3a3a382a0a0a0eca1adaf">[email protected]</a>";
            string ReCiver = aReciver;
            string Subject = bSubject;
            string Body = cBody;
            string account = "<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="3b5a58587b5f54565a5154585456">[email protected]</a>";
            string Pass = "a123456";
            Send(SmtpServer, port, account, Pass, sender, ReCiver, Subject, Body);
    
        }
        public static void Send(string smtpServer,int Port,string Account, string PassWord, string From, string To, string Subject, string Body)
        {
    
            MailMessage mail = new MailMessage();
            SmtpClient SmtpServer = new SmtpClient(smtpServer);
    
            mail.From = new MailAddress(From);
            mail.To.Add(To);
            mail.Subject = Subject;
            mail.Body = Body;
    
    
            SmtpServer.Port = Port;
            SmtpServer.Credentials = new System.Net.NetworkCredential(Account, PassWord);
            SmtpServer.EnableSsl = true;
    
            SmtpServer.Send(mail);
    
    
        }
    }
    

Answer №1

If you are working with C# 4.0, utilizing the Task Parallel Library can greatly benefit your application. You can execute the sendMailNote(action) function in a separate thread by using this code snippet:

Task.Factory.StartNew(() => sendMailNote(action));

Remember to include error handling to manage any exceptions that may occur during email sending. A more robust approach would be to extract this functionality from the user interface code and run it in a background task such as a windows service or cloud worker role.

Answer №2

Perform the task in a separate thread to ensure that your main thread does not need to wait for the email to be sent.

Update or insert data into the database using ExecEntryOnTbl(SQL);

ThreadStart sendMail = delegate()
{
    sendMailNote(action)
};

Thread thread = new Thread(sendMail );
thread.IsBackground = true;
thread.Start();

exitTC(action, custid); // Exit the page.

This can also be done through JavaScript:
window.location.href = "someOtherPage.aspx"
or through code behind using
RegisterClientScriptBlock(...)

Answer №3

Storing the email details in a database allows for better organization, while setting up a scheduled cron job to handle the actual sending process is a reliable way to manage outgoing emails.

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