ASP.NET:Email Web Page

{

String message=readHtmlPage(txtURL.Text);

if (Page.IsValid)

{

Trace.Write("Submit", "Page is valid -- send email.");

try

{

MailMessage Mailer = new MailMessage();

Mailer.From = txtFrom.Text;

Mailer.To = txtTo.Text;

Mailer.Subject = txtSubject.Text;

Mailer.Body = message;

Mailer.BodyFormat = System.Web.Mail.MailFormat.Html;

SmtpMail.Send(Mailer);

lblResult.Text = "Page successfully sent!";

litSent.Text = message;

}

catch(Exception ex)

{

lblResult.Text = "An error occurred: " + ex.ToString();

}

}

}

}

}