private void SendMail()
{
MailMessage mailMsg = new MailMessage();
mailMsg.To = tbToEmail.Text;
mailMsg.From = tbEmail.Text;
mailMsg.Subject = tbTitle.Text;
mailMsg.Body = tbContent.Text;
mailMsg.BodyFormat= MailFormat.Text ;

mailMsg.Fields.Add("http://schemas.microsoft.com/cdo/configuration/smtpauthenticate", "1");
mailMsg.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendusername",tbSendName.Text);
mailMsg.Fields.Add("http://schemas.microsoft.com/cdo/configuration/sendpassword",tbSendPassword.Text);

// for(int i = 0;i<cblUpload.Items.Count;i++)
// {
// if(cblUpload.Items[i].Selected == true)
// {
// attachPath = @"e:\sun.net\sample\email\rsn\upload\" + cblUpload.Items[i].Value;
// mailMsg.Attachments.Add(new MailAttachment(attachPath)) ;
// }
// }

try
{
SmtpMail.SmtpServer = tbSmtpServer.Text;
SmtpMail.Send(mailMsg);
success ++ ;
}
catch
{
error ++ ;
}
}