try
            {
                MySqlConnection sqlconn;
                string connsqlstring = "Server=szerverem;database=adatbazisom;User Id=username;Password=jelszavam;charset=utf8";
                sqlconn = new MySqlConnection(connsqlstring);
                if (sqlconn.State == ConnectionState.Closed)
                {
                    sqlconn.Open();
                    Toast.MakeText(this, "adat elküldve", ToastLength.Long).Show();
                }
            }
            catch (Exception ex)
            {
                Toast.MakeText(this, ex.ToString(), ToastLength.Long).Show();
            }