mail Send in asp.net

mail Send in asp.net 

C#:

//NameSpace Add

     using System.Web.Mail;

 Send Mail:

        MailMessage mail = new MailMessage();

  //mail From

        mail.From = "noreplay@vijubook.com";

  //mail To

        mail.To = "123@gmail.com";

  // Subject

        mail.Subject = "Test Mail Send Subject";

  // Body

          mail.Body = "Test Mail Send Body";

   //  Format For mail

        mail.BodyFormat = MailFormat.Html;

   // Server Name

        SmtpMail.SmtpServer = "123.123.net";

     //Send

        SmtpMail.Send(mail);

        Response.Write("Mail Send");