private void buttonSave_Click(object sender, EventArgs e)
        {
            errorProvider.Clear();
            bool hasNoError = true;

            _packageItem = new PackageList();
            int  packageID = _packageID;
            int  packageEventMapID;
            bool isSuccess = false;

            #region Check Image file
            string fileName  = openFileDialog.FileName;
            byte[] byteImage = null;

            if (File.Exists(fileName))
            {
                byteImage = UtilityHelper.FileToByte(fileName);
            }
            else if (_packageID > 0)
            {
                byteImage = _imageSelected;
            }
            else
            {
                byteImage = UtilityHelper.BitmapToByte(Resources.blank);
            }
            #endregion

            if (textBoxName.Text.Trim().Length == 0)
            {
                errorProvider.SetError(textBoxName, "Package name is required.");
                hasNoError = false;
            }
            if (textBoxDescription.Text.Trim().Length == 0)
            {
                errorProvider.SetError(textBoxDescription, "Package description is required.");
                hasNoError = false;
            }
            if (dataGridViewEvents.RowCount == 0)
            {
                errorProvider.SetError(dataGridViewEvents, "At least one event is required.");
                hasNoError = false;
            }
            if (byteImage == null)
            {
                errorProvider.SetError(pictureBoxPoster, "Poster is required.");
                hasNoError = false;
            }

            if (!hasNoError)
            {
                return;
            }

            using (SWPTransactionDBConnection dbTransaction =
                       new SWPTransactionDBConnection(Config._dbConnectionName))
            {
                try
                {
                    SAPPackageReadWrite packageRW =
                        new SAPPackageReadWrite(dbTransaction);
                    SAPPackageEventMapReadWrite packageEventRW =
                        new SAPPackageEventMapReadWrite(dbTransaction);
                    if (_packageID == 0)
                    {
                        packageRW.Insert(
                            textBoxName.Text,
                            textBoxDescription.Text,
                            byteImage,
                            out packageID);
                        foreach (AssociatedEventList item in _sourceEvent)
                        {
                            packageEventRW.Insert(
                                packageID,
                                item.EventID,
                                out packageEventMapID);
                        }
                    }
                    else
                    {
                        packageRW.Update(
                            _packageID,
                            textBoxName.Text,
                            textBoxDescription.Text,
                            byteImage);

                        foreach (AssociatedEventList item in _removedEvent)
                        {
                            packageEventRW.Delete(item.PackageMapID);
                        }

                        foreach (AssociatedEventList item in _sourceEvent)
                        {
                            if (item.IsNewID)
                            {
                                packageEventRW.Insert(
                                    _packageID,
                                    item.EventID,
                                    out packageEventMapID);
                            }
                        }
                    }
                    dbTransaction.Transaction.Commit();
                    isSuccess = true;
                }
                catch (Exception ex)
                {
                    dbTransaction.Transaction.Rollback();

                    ErrorForm errorForm =
                        new ErrorForm(ex.Message, ex.ToString());
                    errorForm.ShowDialog(this);
                    errorForm.Close();
                }
                finally
                {
                    dbTransaction.Transaction.Dispose();
                }
            }
            if (isSuccess)
            {
                _packageItem.PackageName        = textBoxName.Text;
                _packageItem.PackageDescription = textBoxDescription.Text;
                _packageItem.PackagePhoto       = byteImage;
                _packageItem.PackageID          = packageID;
                DialogResult = DialogResult.OK;
                Close();
            }
        }
        public static void CreateSeedData()
        {
            #region create random name/date of birth list
            Random        rand     = new Random((int)DateTime.Now.Ticks);
            int           index    = 0;
            List <string> names    = new List <string>();
            List <string> nameList =
                Properties.Resources.ValidNames.Split(
                    Environment.NewLine.ToCharArray(),
                    StringSplitOptions.RemoveEmptyEntries).ToList <string>();

            DateTime[] dobs = new DateTime[Config.SeedDataLimit * 4 + 1];

            int month = DateTime.Now.Month;
            int day   = DateTime.Now.Day;
            int year  = DateTime.Now.Year;

            int nameCounter = 0;
            do
            {
                if (!names.Contains(nameList[nameCounter]))
                {
                    names.Add(nameList[nameCounter]);
                    index = rand.Next(year - 40, year);
                    dobs[names.Count - 1] = new DateTime(index, month, day);
                    nameCounter++;
                }
            } while (names.Count < Config.SeedDataLimit * 4 + 1);

            #endregion

            cityCountry =
                new SortedDictionary <string, string>();

            SetCityCountry();

            #region Clear Tables
            SAPEventActorMapReadWrite eventActorMapRW =
                new SAPEventActorMapReadWrite(Config._dbConnectionName);

            SAPDataSetEventActorMap eventActorMapDataSet = eventActorMapRW.SelectAll();

            foreach (SAPDataSetEventActorMap.EventActorMapRow row in
                     eventActorMapDataSet.EventActorMap.Rows)
            {
                eventActorMapRW.Delete(row.EventActorMapID);
            }

            SAPEventAttendeeAgencyMapReadWrite eventAttendeeAgencyMapRW =
                new SAPEventAttendeeAgencyMapReadWrite(Config._dbConnectionName);

            SAPDataSetEventAttendeeAgencyMap eventAttendeeAgencyMapDataSet =
                eventAttendeeAgencyMapRW.SelectAll();

            foreach (SAPDataSetEventAttendeeAgencyMap.EventAttendeeAgencyMapRow row
                     in eventAttendeeAgencyMapDataSet.EventAttendeeAgencyMap.Rows)
            {
                eventAttendeeAgencyMapRW.Delete(row.EventAttendeeAgencyMapID);
            }


            SAPEventAttendeeReadWrite eventAttendeeRW =
                new SAPEventAttendeeReadWrite(Config._dbConnectionName);

            SAPDataSetEventAttendee eventAttendeeDataSet = eventAttendeeRW.SelectAll();

            foreach (SAPDataSetEventAttendee.EventAttendeeRow row in
                     eventAttendeeDataSet.EventAttendee.Rows)
            {
                eventAttendeeRW.Delete(row.EventAttendeeID);
            }

            SAPEventActorReadWrite eventActorRW =
                new SAPEventActorReadWrite(Config._dbConnectionName);

            SAPDataSetEventActor eventActorDataSet = eventActorRW.SelectAll();

            foreach (SAPDataSetEventActor.EventActorRow row in
                     eventActorDataSet.EventActor.Rows)
            {
                eventActorRW.Delete(row.EventActorID);
            }

            SAPPackageEventMapReadWrite packageEventMapRW =
                new SAPPackageEventMapReadWrite(Config._dbConnectionName);

            SAPDataSetPackageEventMap packageEventMapDataset = packageEventMapRW.SelectAll();

            foreach (SAPDataSetPackageEventMap.PackageEventMapRow row in
                     packageEventMapDataset.PackageEventMap.Rows)
            {
                packageEventMapRW.Delete(row.PackageEventMapID);
            }

            SAPPackageReadWrite packageRW =
                new SAPPackageReadWrite(Config._dbConnectionName);

            SAPDataSetPackage packageDataSet = packageRW.SelectAll();

            foreach (SAPDataSetPackage.PackageRow row in
                     packageDataSet.Package.Rows)
            {
                packageRW.Delete(row.PackageID);
            }

            SAPEventReadWrite eventRW =
                new SAPEventReadWrite(Config._dbConnectionName);

            SAPDataSetEvent eventDataSet = eventRW.SelectAll();

            foreach (SAPDataSetEvent.EventRow row in eventDataSet.Event.Rows)
            {
                eventRW.Delete(row.EventID);
            }


            SAPEventTypeReadWrite eventTypeRW =
                new SAPEventTypeReadWrite(Config._dbConnectionName);

            SAPDataSetEventType eventTypeDataSet = eventTypeRW.SelectAll();

            foreach (SAPDataSetEventType.EventTypeRow row in
                     eventTypeDataSet.EventType.Rows)
            {
                eventTypeRW.Delete(row.EventTypeID);
            }

            #endregion

            #region Repopulate Tables

            SAPEventTypeReadWrite seedEventTypeRW =
                new SAPEventTypeReadWrite(Config._dbSeedConnectionName);

            SAPDataSetEventType seedEventTypeDataSet =
                seedEventTypeRW.SelectAll();

            int retEventTypeID = 0;

            foreach (SAPDataSetEventType.EventTypeRow row in
                     seedEventTypeDataSet.EventType.Rows)
            {
                eventTypeRW.Insert(row.EventTypeName, row.EventTypeDescription, out retEventTypeID);
            }


            SAPEventReadWrite seedEventRW =
                new SAPEventReadWrite(Config._dbSeedConnectionName);

            SAPDataSetEvent seedEventDataSet = seedEventRW.SelectAll();

            int retEventID = 0;

            //check the difference in seed date to adjust the event dates
            long monthDiff = UtilityHelper.GetMonthDifference(
                Config.DateLastSeed,
                DateTime.Now);

            foreach (SAPDataSetEvent.EventRow row in
                     seedEventDataSet.Event.Rows)
            {
                using (SAPDataReaderEventType rdrSeedEventType =
                           eventTypeRW.ReaderSelectByEventTypeName(row.EventTypeName))
                {
                    if (rdrSeedEventType.DataReader != null &&
                        rdrSeedEventType.DataReader.HasRows)
                    {
                        DateTime newDate = new DateTime();
                        //long monthDifference =
                        //    UtilityHelper.GetMonthDifference(DateTime.Now, row.EventDate);

                        newDate = row.EventDate.AddMonths((int)monthDiff);

                        rdrSeedEventType.DataReader.Read();
                        eventRW.Insert(row.VenueID, rdrSeedEventType.EventTypeID, row.EventName,
                                       row.EventDescription, row.EventPhoto, newDate, row.GoldPackagePrice,
                                       row.SilverPackagePrice, row.BronzePackagePrice, row.GoldPackageTrueCost,
                                       row.SilverPackageTrueCost, row.BronzePackageTrueCost, row.EventTotalCost,
                                       out retEventID);
                    }
                }
            }

            SAPPackageReadWrite seedPackageRW =
                new SAPPackageReadWrite(Config._dbSeedConnectionName);

            SAPDataSetPackage seedPackageDataset =
                seedPackageRW.SelectAll();

            int retPackageID = 0;


            foreach (SAPDataSetPackage.PackageRow row in
                     seedPackageDataset.Package.Rows)
            {
                packageRW.Insert(row.PackageName, row.PackageDescription,
                                 row.PackageImage, out retPackageID);
            }

            int   retPackageEventMapID        = 0;
            int[] seedNumberOfEventPerPackage = { 4, 3, 4, 4 };
            int   packageIndex = 0;

            using (SAPDataReaderPackage rdrPackage = packageRW.ReaderSelectAll())
            {
                if (rdrPackage.DataReader != null &&
                    rdrPackage.DataReader.HasRows)
                {
                    int eventIdx = 0;

                    while (rdrPackage.DataReader.Read())
                    {
                        int eventID = 0;
                        for (int idx = 0; idx < seedNumberOfEventPerPackage[packageIndex]; idx++)
                        {
                            using (SAPDataReaderEvent rdrEvent = eventRW.ReaderSelectAll())
                            {
                                if (rdrEvent.DataReader != null &&
                                    rdrEvent.DataReader.HasRows)
                                {
                                    if (eventIdx == 0)
                                    {
                                        rdrEvent.DataReader.Read();
                                        eventID = rdrEvent.EventID;
                                    }
                                    else
                                    {
                                        for (int eidx = 0; eidx <= eventIdx; eidx++)
                                        {
                                            rdrEvent.DataReader.Read();
                                            eventID = rdrEvent.EventID;
                                        }
                                    }
                                }
                            }
                            packageEventMapRW.Insert(rdrPackage.PackageID, eventID, out retPackageEventMapID);
                            eventIdx++;
                        }
                        packageIndex++;
                    }
                }
            }

            #endregion

            int currentNameIndex = 0;

            //get the 3 package here

            SAPPackageEventReadOnly packageEvent =
                new SAPPackageEventReadOnly(Config._dbConnectionName);

            _flightConnection =
                new SAPFlightConnection(Config.SAPUserName, Config.SAPPassword);

            #region generate data
            using (SAPDataReaderPackage rdrPackage =
                       packageRW.ReaderSelectAll())
            {
                if (rdrPackage.DataReader != null &&
                    rdrPackage.DataReader.HasRows)
                {
                    while (rdrPackage.DataReader.Read())
                    {
                        if (Array.IndexOf(packages, rdrPackage.PackageName.ToUpper().Trim()) > -1)
                        {
                            List <string> location = new List <string>();

                            SeedEventDataList[] flights = GetEvent(rdrPackage.PackageID);

                            for (int i = 1; i <= Config.SeedDataLimit; i++)
                            {
                                DateTime previousDate = DateTime.MinValue;
                                string   cityFrom     = string.Empty;

                                #region iterate for each event
                                for (int idx = 0; idx < flights.Length; idx++)
                                {
                                    BAPISCODAT selectedItem  = null;
                                    string     selectedClass = string.Empty;
                                    if (_flightConnection.GetList("", Config.SeedTravelAgency, cityFrom, flights[idx].VenueCity))
                                    {
                                        List <int>   classTypeIndex = new List <int>();
                                        BAPISCODAT[] flightList     = _flightConnection._bapiConnectionList;
                                        do
                                        {
                                            #region random classtype
                                            if (classTypeIndex.Count < 3)
                                            {
                                                do
                                                {
                                                    int ridx = rand.Next(0, 3);
                                                    if (!classTypeIndex.Contains(ridx))
                                                    {
                                                        classTypeIndex.Add(ridx);
                                                        break;
                                                    }
                                                } while (true);
                                            }
                                            string classType = _classType[classTypeIndex[classTypeIndex.Count - 1]];
                                            #endregion

                                            foreach (BAPISCODAT item in flightList)
                                            {
                                                bool isAvailable = true;

                                                if (!IsValidFlightDate(item.FLIGHTDATE, flights[idx].EventDate, previousDate))
                                                {
                                                    continue;
                                                }

                                                isAvailable = IsFlightAvailable(item, classType);

                                                #region check if city to is not found on previous list
                                                //make sure that this is the startup point of the event
                                                if (isAvailable)
                                                {
                                                    if (previousDate == DateTime.MinValue)
                                                    {
                                                        if (location.Contains(item.CITYFROM))
                                                        {
                                                            //mark this in case there would be no more cityfrom on the list
                                                            if (selectedItem == null)
                                                            {
                                                                selectedItem  = item;
                                                                selectedClass = classType;
                                                            }
                                                        }
                                                        else
                                                        {
                                                            location.Add(item.CITYFROM);
                                                            selectedItem  = item;
                                                            selectedClass = classType;
                                                            classTypeIndex.Add(1);
                                                            classTypeIndex.Add(2);
                                                            classTypeIndex.Add(3);
                                                            break;
                                                        }
                                                    }
                                                    else
                                                    {
                                                        selectedItem  = item;
                                                        selectedClass = classType;
                                                        classTypeIndex.Add(1);
                                                        classTypeIndex.Add(2);
                                                        classTypeIndex.Add(3);
                                                        break;
                                                    }
                                                }
                                                #endregion
                                            }
                                        } while (classTypeIndex.Count < 3);
                                    }
                                    previousDate = flights[idx].EventDate;
                                    if (selectedItem != null)
                                    {
                                        SeedEventDataList eventData = flights[idx];
                                        eventData.AgencyNum    = selectedItem.AGENCYNUM;
                                        eventData.FlightConnNo = selectedItem.FLIGHTCONN;
                                        eventData.CityFrom     = selectedItem.CITYFROM;
                                        eventData.FlightDate   = selectedItem.FLIGHTDATE;
                                        eventData.ClassType    = selectedClass;
                                        flights[idx]           = eventData;
                                        cityFrom = eventData.VenueCity;
                                    }
                                }
                                #endregion

                                #region verify if there's flight
                                bool isReady = true;
                                for (int idx = 0; idx < flights.Length; idx++)
                                {
                                    if (String.IsNullOrEmpty(flights[idx].FlightConnNo))
                                    {
                                        isReady = false;
                                    }
                                }
                                #endregion

                                if (isReady)
                                {
                                    string customerCity = flights[0].CityFrom;
                                    string customerName = names[currentNameIndex];
                                    string language     = string.Empty;
                                    string country      = GetCountry(customerCity, out language);
                                    string dob          =
                                        string.Format("{0:yyyy-MM-dd}", dobs[currentNameIndex]);
                                    string customerNumber = string.Empty;
                                    bool   isError        = false;

                                    #region save customer
                                    SAPCustomer customer =
                                        new SAPCustomer(Config.SAPUserName, Config.SAPPassword);

                                    if (customer.CreateFromData(
                                            customerCity,
                                            country,
                                            customerName,
                                            "P",
                                            "none",
                                            language,
                                            "N/A",
                                            "",
                                            ""))
                                    {
                                        //get customer number of inserted customer
                                        bool found = false;
                                        while (!found)
                                        {
                                            customer.GetList();
                                            if (customer._customerList.Length > 0)
                                            {
                                                //search last 3
                                                for (int j = customer._customerList.Length - 1;
                                                     j > (customer._customerList.Length - 3);
                                                     j--)
                                                {
                                                    if (customer._customerList[j].CUSTNAME.Trim() == customerName.Trim())
                                                    {
                                                        customerNumber = customer._customerList[j].CUSTOMERID;
                                                        found          = true;
                                                        break;
                                                    }
                                                }
                                            }
                                            else
                                            {
                                                break;
                                            }
                                        }
                                    }
                                    else
                                    {
                                        isError = true;
                                    }
                                    #endregion

                                    #region create flight trip
                                    if (customerNumber.Length > 0)
                                    {
                                        SAPFlightTrip flightTrip =
                                            new SAPFlightTrip(Config.SAPUserName, Config.SAPPassword);
                                        for (int idx = 0; idx < flights.Length; idx++)
                                        {
                                            SeedEventDataList item = flights[idx];
                                            string            tripNumber;
                                            string            travelAgencyNumber;
                                            if (flightTrip.CreateTrip(
                                                    item.AgencyNum,
                                                    item.ClassType,
                                                    customerNumber,
                                                    item.FlightConnNo,
                                                    "",
                                                    item.FlightDate,
                                                    "",
                                                    "none",
                                                    dob,
                                                    customerName,
                                                    out travelAgencyNumber,
                                                    out tripNumber))
                                            {
                                                flights[idx].TripNumber = tripNumber;
                                            }
                                            else
                                            {
                                                isError = true;
                                            }
                                        }
                                    }
                                    #endregion

                                    #region save to local db
                                    if (!isError)
                                    {
                                        int eventAttendeeID = 0;
                                        SAPEventAttendeeReadWrite eventAttendee =
                                            new SAPEventAttendeeReadWrite(Config._dbConnectionName);
                                        DateTime dateCreate;
                                        eventAttendee.Insert(
                                            rdrPackage.PackageID,
                                            customerNumber,
                                            DateTime.Now,
                                            out dateCreate,
                                            out eventAttendeeID);

                                        for (int idx = 0; idx < flights.Length; idx++)
                                        {
                                            int eventAttendMapID = 0;
                                            SAPEventAttendeeAgencyMapReadWrite eventMap =
                                                new SAPEventAttendeeAgencyMapReadWrite(Config._dbConnectionName);
                                            eventMap.Insert(
                                                eventAttendeeID,
                                                flights[idx].EventID,
                                                flights[idx].AgencyNum,
                                                flights[idx].TripNumber,
                                                out eventAttendMapID);
                                        }
                                    }
                                    #endregion

                                    currentNameIndex++;
                                }
                                //reset flights
                                for (int idx = 0; idx < flights.Length; idx++)
                                {
                                    flights[idx].AgencyNum    = string.Empty;
                                    flights[idx].ClassType    = string.Empty;
                                    flights[idx].FlightConnNo = string.Empty;
                                    flights[idx].FlightDate   = string.Empty;
                                    flights[idx].TripNumber   = string.Empty;
                                }
                            }
                        }
                    }
                }
            }
            #endregion

            Config.UpdateKey(Config._keySeedData, "true");
            Config.UpdateKey(Config._keyDateLastSeed, DateTime.Now.ToString());
        }