/*Geting error ---object reference not set to an instance---at bold line----plz reply asap thanks in advance*/
cmd = new OleDbCommand ("SELECT e.emp_id,e.email, m.email AS Email FROM emp_details e INNER JOIN emp_details m ON e.spid = m.emp_id AND e.emp_id='" + e_id + "'",conn);
dr=cmd.ExecuteReader();
if(dr.Read())
{
strmail=dr["email"].ToString();
strmailto=dr["Email"].ToString();
}
dr.Close();
MailMessage mail=new MailMessage();
mail.To=strmailto;
mail.From = strmail ;
mail.Subject="Leave Application From";
//mail.Body= Mam & s & txtremak.Text ;
mail.Body=txtremark.Text;
mail.BodyFormat=MailFormat.Html;
mail.Priority = MailPriority.Normal;
mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpserver","localhost");
mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpserverport","25");
mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendusing", "2");
mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpauthenticate","1");
mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendusername","abc@abc.com");
mail.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendpassword","abc123");
SmtpMail.SmtpServer.Insert(0,"localhost");
SmtpMail.Send(mail);
conn.Close();