Send Email Function

sendMail.cs

using System;
using System.Net;
using System.Net.Mail;
using System.Collections;


public class SendMail
{
    public void send(string fromEN, ArrayList toEN, ArrayList ccEN, string subject, string body)
    {
        int i;
        string mailaddr = "";

        MailAddress mailFrm = null;
        if (fromEN == "default")
        {
            mailFrm = new MailAddress("HSA-TestDev-Alert@company.com");
        }
        else
        {
            mailaddr = readMail(fromEN);
            if (mailaddr != "")
            {
                mailFrm = new MailAddress(mailaddr);
            }
        }


        MailAddress mailTo;
        MailAddress mailCc;
        MailMessage mailMsg = new MailMessage();

        mailMsg.From = mailFrm;

        for (i = 0; i < toEN.Count; i++)
        {
            string emailTo = Convert.ToString(toEN[i]);
            if (emailTo != "") //skip if somebody no email
            {
                mailaddr = readMail(emailTo);
                if (mailaddr != "")
                {
                    mailTo = new MailAddress(mailaddr);
                    mailMsg.To.Add(mailTo);
                }
            }
        }

        for (i = 0; i < ccEN.Count; i++)
        {
            string emailCc = Convert.ToString(ccEN[i]);
            if (emailCc != "") //skip if somebody no email
            {
                mailaddr = readMail(emailCc);
                if (mailaddr != "")
                {
                    mailCc = new MailAddress(mailaddr);
                    mailMsg.To.Add(mailCc);
                }
            }
        }

        mailMsg.CC.Add(mailFrm);

        mailMsg.IsBodyHtml = true;
        mailMsg.Subject = subject;
        mailMsg.Body = body;

        mailMsg.Body = mailMsg.Body + "<br/><br/><br/> Thank you <br/> HSA Training Record System <br/>http://172.17.66.220/JobTrack/";

        SmtpClient client = new SmtpClient("127.0.0.1");
        client.Credentials = CredentialCache.DefaultNetworkCredentials;
        client.Send(mailMsg);

    }

    private string readMail(string en)
    {
        string email = "";

        try
        {
            myDB db = new myDB();
            string sql = "SELECT email FROM user WHERE en='"+en+"'";
            string tmpEmail = Convert.ToString(db.GetSingleData(sql));
            if (email != "")
            {
                email = "," + tmpEmail;
            }
            else
            {
                email = tmpEmail;
            }

        }
        catch (Exception ex)
        {

        }

        return email;
        
    }

    //public string readmail(string en)
    //{
    //    string emailCompany = string.Empty;

    //    try
    //    {
    //        PrincipalContext domain = new PrincipalContext(ContextType.Domain);
    //        UserPrincipal QueryFilter = new UserPrincipal(domain);
    //        QueryFilter.EmployeeId = en;
    //        PrincipalSearcher ps = new PrincipalSearcher(QueryFilter);

    //        UserPrincipal user = (UserPrincipal)ps.FindOne();
    //        emailCompany = user.EmailAddress;
    //    }
    //    catch
    //    {
    //        emailCompany = "";
    //    }

    //    return emailWD;
    //}

}