private string Regjistrimi(string sjson)
        {
            string return_value = "";
            bool   UserExist    = false;

            try
            {
                //Studentet studenti = JsonConvert.DeserializeObject<Studentet>(sjson);
                Studentet studenti = JsonConvert.DeserializeObject <Studentet>(sjson);

                string path = "Studentet.json";
                if (File.Exists(path))
                {
                    sjson = File.ReadAllText(path);
                    if (String.IsNullOrEmpty(sjson))
                    {
                        List <Studentet> lstStudentet = new List <Studentet>();
                        lstStudentet.Add(studenti);
                        File.WriteAllText(path, JsonConvert.SerializeObject(lstStudentet), Encoding.UTF8);
                    }
                    else
                    {
                        List <Studentet> lstStudentet = JsonConvert.DeserializeObject <List <Studentet> >(sjson);
                        foreach (Studentet item in lstStudentet)
                        {
                            if (item.userId == studenti.userId)
                            {
                                return_value = "ERROR - Ekziston sudenti me username :"******"OK - Jeni regjistruar me sukses me username " + studenti.userId;
                        }
                    }
                }
                else
                {
                    List <Studentet> lstStudentit = new List <Studentet>();
                    lstStudentit.Add(studenti);
                    File.WriteAllText(path, JsonConvert.SerializeObject(lstStudentit), Encoding.UTF8);
                    return_value = "OK - Jeni regjistruar me sukses me username " + studenti.userId;
                }
            }
            catch (Exception ex)
            {
                return_value = ex.Message;
            }

            return(return_value);
        }
        private void Server_DataReceived(object sender, SimpleTCP.Message e)
        {
            //Update mesage to txtStatus
            txtMesazhi.Invoke((MethodInvoker) delegate()
            {
                //Korab Spahija 8
                string mesazhi = decrypt(e.MessageString);

                string[] mesazhiArray   = mesazhi.Split(' ');
                txtMesazhi.Text        += mesazhi;
                Studentet studenti      = new Studentet();
                studenti.emri           = mesazhiArray[0];
                studenti.mbiemri        = mesazhiArray[1];
                studenti.notaMesatare   = mesazhiArray[2];
                studenti.email          = mesazhiArray[3];
                studenti.userId         = mesazhiArray[4];
                studenti.PasswordHash   = pswhash.CreateHash(mesazhiArray[5]);
                studenti.lendaPreferuar = mesazhiArray[6];

                string json = JsonConvert.SerializeObject(studenti);
                Regjistrimi(json);
                e.ReplyLine(string.Format("You said: {0}", mesazhiArray));
            });
        }