emailing every address in table?

hi,
How would i  go about emailing every address in a db table the same message? thanks
        SmtpMail.SmtpServer = "mail.CHANGE.com";
        string strTo = ?????????;
        string strFrom = "noreply@CHANGE.com";
        string strSubject = "subjectbox.Text";
string strContent= "content.Text";
             
        SmtpMail.Send(strFrom, strTo, strSubject, strContent);
...