void enterApp()
        {
            string user    = user_inp.Text;
            string pass    = pass_inp.Password;
            bool   valider = false;

            valider = db.dbEnterValider(user, pass);
            List <string> sessionData = db.sessionDataSource(user, pass);
            DateTime      date        = DateTime.Now;

            if (valider == true && user != "Felhasználónév" && user != null && pass != "Jelszó" && pass != null)
            {
                session.UserData = sessionData;
                db.update_User_Last_LogDate(sessionData[1], date.ToString());
                mainGrid.Children.Clear();
                mainGrid.Children.Add(mainpage = new mainpage(mainGrid));
            }
            else
            {
                bool conn = db.dbConncetionValider();
                if (conn == true)
                {
                    info_out.Text = db.langWordList(db.languageAsker())[76];
                    pc.idozito(info_out);
                }
                else
                {
                    connectionValider();
                }
            }
        }