Sending Mails with Attachements using Asp.Net

using System;
using System.Collections;
using System.Configuration;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.HtmlControls;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Xml.Linq;
using System.Net.Mail;
using System.Text;

namespace TestWeb.aspdotnet
{
    public partial class mail : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            string strSMTP = "SMTP Server Name";
            int strPort = 25; //Default 25
            MailMessage msg = new MailMessage("from Mail-ID", "To Mail-ID");
            msg.CC.Add("CC mail-ID");// If necessary
            msg.Body = "Test Mail";
            msg.Subject = "Test Subject";
            msg.BodyEncoding = Encoding.ASCII;
            msg.IsBodyHtml = true;
            msg.SubjectEncoding = Encoding.UTF8;
            //Attachment Part
            Attachment attach1 = new Attachment(@"Path");//Attachment Path
            msg.Attachments.Add(attach1);
            SmtpClient smtp = new SmtpClient(strSMTP);
            System.Net.NetworkCredential nc = new System.Net.NetworkCredential("UserName", "Pwd", "Domain");
            smtp.Credentials = (System.Net.ICredentialsByHost)nc.GetCredential(strSMTP, strPort, "Basic");
            try
            {
                smtp.Send(msg);
            }
            catch (Exception ex)
            {
                Response.Write(ex.Message.ToString());
                Response.End();
            }
        }
         
    }
}