How to send mail in C# without attachment.

Question

This s my coding... i cant send mail by using this code. plz help me....

using System;

using System.Collections.Generic;

using System.Linq;

using System.Web;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.Mail;

using System.Net;

public partial class _Default : System.Web.UI.Page

{

    protected void Page_Load(object sender, EventArgs e)

    {

    }

    protected void Button1_Click(object sender, EventArgs e)

    {

    }

    public void sendmail(string from, string to, string subject, string body)

    {

        MailMessage mail = new MailMessage();

        mail.From = from;

        mail.To = to;

        mail.Subject = subject;

        mail.Body = body;

        mail.Priority = MailPriority.High;

        mail.BodyFormat = MailFormat.Text;

        SmtpMail.SmtpServer = "192.168.5,11";

        SmtpMail.Send(mail);

    }

}