How to send a IFrame in email body?

[sweebtews]

How can i send a iframe in email body.This is how i am simply sending a mail.\[code\] string getemail = textbox_email.Text; System.Net.Mail.MailMessage message = new System.Net.Mail.MailMessage(); message.To.Add(getemail); message.Subject = "Hello"; message.From = new System.Net.Mail.MailAddress("sendingemail"); message.Body = "This is message body"; System.Net.Mail.SmtpClient smtp = new System.Net.Mail.SmtpClient("smtp.gmail.com"); smtp.Credentials = new System.Net.NetworkCredential("sendingemail", "password"); smtp.EnableSsl = true; smtp.Send(message); Response.Write("Sent");\[/code\]This is iframe in html.\[code\]<iframe id="iframe" runat="server" src="http://www.w3schools.com" scrolling="no" frameborder="0" style="border:none; overflow:hidden; width:100px; height:21px;" allowTransparency="true"></iframe> \[/code\]How can i send it in email body?Thanks in advance.