Get multiple values from datareader to send email in ASP.Net

Dear Sir, 

i want to send email all user whoese in my database .

i want to send also user name and password for login to users ..

how to get value from while loop with datareader ..

following my code .. i get all email throw i but i dont know to get username and password also .. 

thanks and regards.

 protected void btnSendEmail_Click(object sender, EventArgs e)
    {
        if (txtemailfrom.Text == "")
        {
            lblmail.Text = "Please fill all mandatory fields.";
            lblmail.Visible = true;
            return;
        }
        ArrayList list_emails = new ArrayList();
        int i = 0;
        string email,uname,pass;
        con.Open();
        SqlCommand cmd = new SqlCommand("Select email,password,username from Information", con);
        SqlDataReader read_Email = cmd.ExecuteReader();
        while (read_Email.Read())
        {

             //how to read particular username and password of that user and use it in mail function
            email = read_Email.GetValue(i).ToString();
            list_emails.Add(email); //Add email to a arraylist
            i = i + 1 - 1;
        }
        read_Email.Close();
        con.Close();  //Close connection
        foreach (string email_to in list_emails)
        {
                        string message = "hello";
                        
           string FromAddress = txtemailfrom.Text;
           MailMessage MailBody = new MailMessage();
           MailBody.IsBodyHtml = true;
           MailBody.From = new MailAddress(FromAddress, "domain.com", System.Text.Encoding.UTF8);
           MailBody.Subject = "Welcome To India";
           MailBody.SubjectEncoding = System.Text.Encoding.UTF8;
           MailBody.Body = message;
           MailBody.BodyEncoding = System.Text.Encoding.UTF8;
           MailBody.Priority = MailPriority.Normal;
           SmtpClient SMTPHOST = new SmtpClient();
           SMTPHOST.EnableSsl = false;
           SMTPHOST.UseDefaultCredentials = true;
           SMTPHOST.Credentials = new NetworkCredential(FromAddress, "password");
           SMTPHOST.Host = "server name";  
           SMTPHOST.Send(MailBody);
}

thnks in advance..