public static DataTable GetCroaziere(string connectionString)
        {
            using (SqlConnection con = new SqlConnection(connectionString))
            {
                con.Open();
                string cmdText = "Select * from Croaziere;";

                using (SqlCommand cmd = new SqlCommand(cmdText, con))
                {
                    using (SqlDataAdapter adapter = new SqlDataAdapter(cmd))
                    {
                        DataTable table = new DataTable();

                        adapter.Fill(table);

                        table.Columns.Add("Circuit");
                        foreach (DataRow row in table.Rows)
                        {
                            List <int> porturi = row["Lista_porturi"].ToString().Split(',').Select(x => Int32.Parse(x)).ToList();

                            string circuit = SqlDataAcces.GetCircuitByArray(porturi);

                            row["Circuit"] = circuit;
                        }

                        return(table);
                    }
                }
            }
        }