Sending an email after 7 minutes of recording record to SQL DB

I'm using asp.net with vb.net.. I need to send an email to my website visitor after they signup to db .. or by anothe开发者_运维百科r way I need to do any action after inserting record to SQL db. Example

Dim Visitor as new Visitor
Visitor.Name = "#######"
Visitor.Email = "###@####.com
Visitor.Save()

I need to wait here for example 7 minutes then

SendEmail()

Is there any way to wait this minutes before I send the email.

Thanks,

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How about if your visitor leaves the site? The program execution would stop and therefore there would be no way to count the time.

Maybe you could create a schedule task running an external app that monitors new signups every minute, for example; if a given sign-up is older than 7 minutes, then send email.

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You could create a scheduled job that runs every few minutes and sends out emails perhaps.