how to attach one or more files in a mail.

MailMessage myMess = new MailMessage("pradeep.mudiam@gmail.com","maddulapradeep@gmail.com");

//myMess.From = "info@achbiz.com";
myMess.Subject = "hi";
myMess.Body = "hghhh";

string Body = "jhgg";


AlternateView htmlView = AlternateView.CreateAlternateViewFromString(Body, null, "text/html");

string Fname = Path.GetFileName(FileUpload1.PostedFile.FileName);

string fServerDirPath = Server.MapPath("~/Upload//Document");

//Check Directory Exist or Not if Not Then Create New Directory

string fType = FileUpload1.PostedFile.ContentType;
Attachment objAttachment1 = new Attachment(FileUpload1.PostedFile.FileName);


int fSize = FileUpload1.PostedFile.ContentLength;

if (!Directory.Exists(fServerDirPath))
{
    Directory.CreateDirectory(fServerDirPath);
}

string fServerFileFullPath = fServerDirPath + Fname;

if (fType == "text/plain" || fType == "application/msword" || fType == "application/vnd.ms-excel" || fType == "application/vnd.ms-powerpoint")
{
    if (fSize <= 2097152) //Check Size for 2 MB
    {
        FileUpload1.SaveAs(fServerFileFullPath);

        Response.Write("File Successfully Uploaded");
    }
    else
    {
        Response.Write("Please Upload only Maximum 2 MB Size");
    }
}
else
{
    Response.Write("Please Upload only Txt/Doc/XLS/PPT File");
}
myMess.Attachments.Add(objAttachment1);

myMess.IsBodyHtml = true;

SmtpClient mySmtpClient = new SmtpClient();
mySmtpClient.DeliveryMethod = SmtpDeliveryMethod.Network;
mySmtpClient.Host = "mail.payroll-taxes.info";
mySmtpClient.Port = 25;
mySmtpClient.Credentials = new NetworkCredential("support@payroll-taxes.info", "mnb1234");
mySmtpClient.Send(myMess);