how to generate email in asp.net

private void btnSend_Click(object sender, System.EventArgs e)
{                                                
    MailMessage msg = new MailMessage();
 
    msg.To = txtTo.Text;

    msg.From = txtFrom.Text;

    msg.Subject = txtSubject.Text;

    msg.Body = txtContent.Value;
    lblStatus.Text = "Sending...";
                                             
    SmtpMail.Send(msg);

    lblStatus.Text = "Sent email (" + txtSubject.Text + ") to " +txtTo.Text;                                         
}