private void btn_update_Click(object sender, EventArgs e)
        {
            string projDir = Directory.GetParent(Environment.CurrentDirectory).Parent.Parent.FullName;
            string edi     = System.IO.File.ReadAllText(projDir + "\\DadesClients.edi");

            string[] subsEdi       = edi.Split('|');
            int      actualContact = 0;

            for (int i = 0; i < subsEdi.Length;)
            {
                if (subsEdi[i].Trim() == "CON")                 // IDcontact, name, birth
                {
                    //MessageBox.Show("CON :" + subsEdi[i + 1] + " # " + subsEdi[i + 2] + " # " + subsEdi[i + 3]); //

                    if (EsNou)
                    {
                        NewContact newcont = new NewContact
                        {
                            idContact = actualContact,
                            Name      = subsEdi[i + 1],
                            BirthDate = subsEdi[i + 2]
                        };
                        db1.NewContacts.Add(newcont);
                    }
                    db1.SaveChanges();

                    i += 4;
                    actualContact++;
                }
                else if (subsEdi[i].Trim() == "SYS")                 // IDcontact, description, value
                {
                    //MessageBox.Show("SYS :" + subsEdi[i + 1] + " # " + subsEdi[i + 2]); //

                    if (EsNou)
                    {
                        ContactSystem ctcsys = new ContactSystem
                        {
                            IdContact   = actualContact,
                            Description = subsEdi[i + 1],
                            SystemValue = subsEdi[i + 2]
                        };
                        db2.ContactSystems.Add(ctcsys);
                    }
                    db2.SaveChanges();

                    i += 3;
                }
            }
        }
        private void btn_update_Click(object sender, EventArgs e)
        {
            if (EsNou)
            {
                ContactSystem ctcsys = new ContactSystem
                {
                    //idContact = int.Parse(tbx_idcontact.Text),
                    IdContact   = int.Parse(tbx_idcontact.Text),
                    Description = tbx_description.Text,
                    SystemValue = tbx_systemvalue.Text
                };
                db.ContactSystems.Add(ctcsys);
            }

            db.SaveChanges();
        }