public List <classCharter> GetAllCharterList()
        {
            List <classCharter> listCharter = null;

            using (DataTable table = SqlDbHelper.ExecuteSelectCommand("GetAllCharter", CommandType.StoredProcedure))
            {
                if (table.Rows.Count > 0)
                {
                    listCharter = new List <classCharter>();
                    foreach (DataRow row in table.Rows)
                    {
                        classCharter charter = new classCharter();
                        charter.char_Trip         = Convert.ToInt32(row["CHAR_TRIP"]);
                        charter.char_Date         = DateTime.Parse(row["CHAR_DATE"].ToString());
                        charter.ac_Number         = row["AC_NUMBER"].ToString();
                        charter.char_Destination  = row["CHAR_DESTINATION"].ToString();
                        charter.char_Distance     = int.Parse(row["CHAR_DISTANCE"].ToString());
                        charter.char_Hours_Flown  = Convert.ToDouble(row["CHAR_HOURS_FLOWN"]);
                        charter.char_Hours_Wait   = Convert.ToDouble(row["CHAR_HOURS_WAIT"]);
                        charter.char_Fuel_Gallons = Convert.ToDouble(row["CHAR_FUEL_GALLONS"]);
                        charter.char_Oil_Qts      = Convert.ToInt32(row["CHAR_OIL_QTS"]);
                        charter.cus_Code          = Convert.ToInt32(row["CUS_CODE"]);

                        listCharter.Add(charter);
                    }
                }
            }

            return(listCharter);
        }
        public bool UpdateCharter(classCharter charter)
        {
            SqlParameter[] parameters = new SqlParameter[]
            {
                new SqlParameter("@TRIP", charter.char_Trip),
                new SqlParameter("@DATE", charter.char_Date),
                new SqlParameter("@NUMBER", charter.ac_Number),
                new SqlParameter("@DESTINATION", charter.char_Destination),
                new SqlParameter("@DISTANCE", charter.char_Distance),
                new SqlParameter("@HOURS_FLOWN", charter.char_Hours_Flown),
                new SqlParameter("@HOURS_WAIT", charter.char_Hours_Wait),
                new SqlParameter("@FUEL_GALLONS", charter.char_Fuel_Gallons),
                new SqlParameter("@OIL_QTS", charter.char_Oil_Qts),
                new SqlParameter("@Customer_CODE", charter.cus_Code)
            };

            return(SqlDbHelper.ExecuteNonQuery("uspUpdateCharter", CommandType.StoredProcedure, parameters));
        }