public static int RebuildBankDataFromTextFiles( ) //************************************************************************************************************************************************ { // iterate thru reading bankaccount objects from disk and add them to our LinkedList and /BankArray int count = 0; string dir = BankAccount.ReadBankFilePath( ); dir += "Textfiles\\"; string[] files = Directory.GetFiles(dir); // clear the lists- JIC DataArray.ArrayClearBank( ); // Clear ( ); BankAccount.BankAccountsLinkedList.Clear( ); foreach (var fi in files) { bool result = fi.Contains("BankObject"); if (!result) { continue; } else { string input = File.ReadAllText(fi); char[] ch = { ',' }; string[] items = input.Split(ch); BankAccount B = new BankAccount( ); B.BankAccountNumber = Convert.ToInt32(items[0]); B.CustAccountNumber = Convert.ToInt32(items[1]); B.AccountType = Convert.ToInt16(items[2]); B.Balance = Convert.ToDecimal(items[3]); B.DateOpened = Convert.ToDateTime(items[4]); B.DateClosed = Convert.ToDateTime(items[5]); B.Balance = Convert.ToDecimal(items[6]); B.Status = Convert.ToInt16(items[7]); //Write it back as OBj and TXT - yes even though we onlt just read it in. SerializeData.WriteBankAccountToDiskAndText(B, B.FullFileName); // add each one to our new List so we cna use the Enumeration later try { BankAccount.BankAccountsLinkedList.AddLast(B); DataArray.ArrayAddBank(B); if (BankAccount.BankDict != null) { if (!BankAccount.BankDict.ContainsKey(B.BankAccountNumber)) { BankAccount.BankDict.Add(B.BankAccountNumber, B); } } } catch { new Exception(" Failed to update LinkeList or Bank array in RebuildBankDataFromTextFiles at line 311"); } count++; B.Dispose( ); } } // This saves the bank LinkedList to both an object file and a Text file Lists.SaveAllBankAccountListData( ); BankListChangedEvent?.Invoke(null, "ALLDATA REBUILT FROM TEXTFILES"); return(count); }
//=========================================================================// public static int RebuildBankArrayFromLinkedList( ) //=========================================================================// { int count = 0; DataArray.ArrayClearBank( ); foreach (BankAccount Bank in BankAccount.BankAccountsLinkedList) { if (Bank ! != null) { DataArray.ArrayAddBank(Bank); count++; } } return(count); }
//******************************************************************************************// //************************************************************************************************************************************************ public static int RebuildBankLinkedListFromObjects() //************************************************************************************************************************************************ { // iterate thru reading bankaccount objects from disk and add them to our linkedList int count = 0; string dir = ReadBankFilePath(); string[] files = Directory.GetFiles(dir, "*.bnk"); // clear the lists- JIC DataArray.ArrayClearBank(); // Clear ( ); foreach (var fi in files) { bool result = fi.Contains("BankObject"); if (!result) { continue; } { BankAccount B = SerializeData.ReadBankAccountFromDisk(fi); //BankAccount B = directories . GetBankObjectFromPath ( fi ); // add each one to our new List so we cna use the Enumeration later if (B != null) { try { count++; BankAccountsLinkedList.AddLast(B); DataArray.ArrayAddBank(B); if (BankAccount.BankDict != null) { if (!BankAccount.BankDict.ContainsKey(B.BankAccountNumber)) { BankAccount.BankDict.Add(B.BankAccountNumber, B); } } } catch { } new Exception(" Failed ot update LinkeList of sortedlist in RebuildCustLinkedList atliner 366"); } B.Dispose(); } } // This saves the bank LinkedList to both an object file and a Text file Lists.SaveAllBankAccountListData(); BankListChangedEvent?.Invoke(null, "ALLDATA REBUILT FROM OBJECTS"); return(count); }
// Save the new customer data as an Object and add it to the Customer List // plus create a BankAccount object and add it to the BankAccount List // and add a bak transaction //*************************************************************************************************************************************************// private void SaveBankButton_Click(object sender, EventArgs e) //*************************************************************************************************************************************************// { if (AccountNo.Text.Length == 0 || AccountBalance.Text.Length == 0 || Interest.Text.Length == 0 || OpenDate.Text.Length == 0 || fname.Text.Length == 0 || lname.Text.Length == 0 || day.Text.Length == 0 || month.Text.Length == 0 || year.Text.Length == 0) { MessageBox.Show("One or more fields are empty, All fields must be populated", "User Input Error"); return; } Int16 type = 0; if (AccountType.Text.Contains("Normal")) { type = 1; } if (AccountType.Text.Contains("Savings")) { type = 2; } if (AccountType.Text.Contains("Deposit")) { type = 3; } if (AccountType.Text.Contains("Business")) { type = 4; } //====================BANK ACCOUNT ======================================== // READ BANK OBJECT FROM DISK and update it // Bank should be valid as it is a global in this file ? if (allbankaccounts.SelectedIndex == -1) { MessageBox.Show("The Bank Account list does not appear to have an item selected\nWe No data has been changed, but we are UNABLE to continue with update...", "Database system ERROR"); return; } string target = allbankaccounts.Items[allbankaccounts.SelectedIndex].ToString(); char[] ch = { '\t' }; char[] dashch = { '-' }; string[] tempacno = target.Split(ch); Int32 accountno = Convert.ToInt32(tempacno[0]); Bank = Search.FindBankObjectfromBankNo(accountno); int actype = Convert.ToInt16(AccountType.SelectedIndex + 1); string actypeselected = AccountType.SelectedItem.ToString(); string[] newselaccount = actypeselected.Split(dashch); if (newselaccount[0] != tempacno[1]) { // the type of account has been changed - handle it for (int i = 0; i < allbankaccounts.Items.Count; i++) { string temp = ""; temp = allbankaccounts.Items[i].ToString(); string[] thisentry = temp.Split(ch); if (thisentry[0] == tempacno[0] && thisentry[1] != newselaccount[0]) { listupdateneeded = false; //This simply avoids the auto update of the listbox, set back to true afterwards allbankaccounts.Items.RemoveAt(i); temp = Bank.BankAccountNumber.ToString() + "\t" + actype.ToString(); allbankaccounts.Items.Add(temp); allbankaccounts.SelectedIndex = i; listupdateneeded = true; break; } } } // Thkis call sends Event data to Bankaccount.cs so the handlers can handle it // cos we cannot call them directly in BankAccount.cs BankAccount.SendBankEventData(Bank, "BANKACCOUNT MODIFIED"); // we need to delete the old account and insert the new details in our ArrayList int index = DataArray.ArrayFindBank(Bank); DataArray.BankNo.RemoveAt(index); BankAccount.BankDict.Remove(index); Bank.Balance = Convert.ToDecimal(AccountBalance.Text); Bank.InterestRate = Convert.ToDecimal(Interest.Text); Bank.DateOpened = Convert.ToDateTime(OpenDate.Text); Bank.AccountType = Convert.ToInt16(actype); //SAVE BANK OBJECT BACK TO DISK SerializeData.WriteBankAccountToDiskAndText(Bank, Bank.FullFileName); DataArray.ArrayAddBank(Bank); if (BankAccount.BankDict != null) { if (!BankAccount.BankDict.ContainsKey(Bank.BankAccountNumber)) { BankAccount.BankDict.Add(Bank.BankAccountNumber, Bank); } } // handle the Linkedlist as well // CREATE A NEW BANK TRANSACTION BankTransaction newbankaccount = new BankTransaction(); newbankaccount.TransDate = DateTime.Now; newbankaccount.AccountType = Bank.AccountType; newbankaccount.CustAccountNumber = Bank.CustAccountNumber; newbankaccount.BankAccountNumber = Bank.BankAccountNumber; newbankaccount.Transamount = Bank.Balance; newbankaccount.Notes = "Opening Balance"; newbankaccount.Status = Bank.Status; BankTransaction.allBankTransactions.AddLast(newbankaccount); //Update the Customer HASH TABLE CustomerBalanceHashTable.UpdateCustBalHashTable(Bank.CustAccountNumber.ToString(), Bank.Balance); //NOW UPDATE CUSTOMER RECORD Cust = Customer.GetCustomerAccount(Bank.CustAccountNumber.ToString()); if (Cust == null) { MessageBox.Show("Unable to find the Customer Record from LinkedList", "Database system ERROR"); return; } else { // we need to delete the old Customer account and insert the new details in our ArrayList int indx = DataArray.ArrayFindCust(Cust); DataArray.CustNo.RemoveAt(indx); Customer.CustDict.Remove(indx); // Now update the Customer record so we can add it to the array Cust.FirstName = fname.Text; Cust.LastName = lname.Text; Cust.DOB = Convert.ToDateTime(day.Text + "/" + month.Text + "/" + year.Text); if (Cust.accountnums[0] == Convert.ToInt32(Bank.BankAccountNumber)) { Cust.accounttypes[0] = type; } else if (Cust.accountnums[1] == Convert.ToInt32(Bank.BankAccountNumber)) { Cust.accounttypes[1] = type; } else if (Cust.accountnums[2] == Convert.ToInt32(Bank.BankAccountNumber)) { Cust.accounttypes[2] = type; } else if (Cust.accountnums[3] == Convert.ToInt32(Bank.BankAccountNumber)) { Cust.accounttypes[3] = type; } Cust.Address1 = addr1.Text; Cust.Address2 = addr2.Text; Cust.Town = town.Text; Cust.County = county.Text; Cust.PostCode = postcode.Text; Cust.PhoneNumber = phone.Text; Cust.MobileNumber = mobile.Text; // SAVE CUSTOMER OBJECT BACK TO DISK Customer.WriteCustObjectToDiskAndText(Cust, Cust.FullFileName); try { // update Customer Linked List & ArrayList Customer.CustomersLinkedList.Remove(Cust); Customer.CustomersLinkedList.AddLast(Cust); // save our Customer LinkedList to disk as binary and txt files Lists.SaveAllCustomerListData(Customer.CustomerFilePath + "CustSortedListData.cust"); DataArray.ArrayAddCust(Cust); if (Customer.CustDict != null) { if (!Customer.CustDict.ContainsKey(Cust.CustomerNumber)) { Customer.CustDict.Add(Cust.CustomerNumber, Cust); } } } catch { new Exception("Customer Linked List coukld not be updated in bankaccountEdit.cs cline 103"); } } MessageBox.Show("Bank & Customer accounts have been updated successfully...,", "Bank account Edit Facility"); }
//=========================================================================// //EXTERNAL public Int16 LoadArraysFromDisk(out int Bcount, out int Ccount) //=========================================================================// { ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// // We iterate through all Bank .BNK files cos we can also read the relevant // Customer # from it, and then load that to the Customer array - Clever eh ? ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////// Int16 count = 0; Bcount = 0; Ccount = 0; Int32[] custno = new int[100]; int custcount = 0; bool duplicated = false; // start with BankAccounts string dir = BankAccount.ReadBankFilePath(); string dir2 = Customer.GetCustFilePath(); string[] bankfiles = System.IO.Directory.GetFiles(dir, "Bankobject*.bnk"); // initilaize our check array for (int i = 0; i < 100; i++) { custno[i] = 0; } // Iterate trhu them and handle as required foreach (var fi in bankfiles) { bool result = fi.Contains("BankObject"); if (result) { // Got a bank account object BankAccount B = (BankAccount)SerializeData.ReadBankAccountFromDisk(fi); if (B != null) { DataArray.ArrayAddBank(B); // Add to bank ArrayList if (BankAccount.BankDict != null) { if (!BankAccount.BankDict.ContainsKey(B.BankAccountNumber)) { BankAccount.BankDict.Add(B.BankAccountNumber, B); } } Bcount++; BankAccount.BankAccountsLinkedList.AddLast(B); Customer C = (Customer)SerializeData.ReadCustomerDiskObject(dir2 + "Custobj" + B.CustAccountNumber + ".cust"); if (C != null) { // add to our test array // check to see if it has been added before ? for (int i = 0; i < custcount; i++) { if (custno[i] == C.CustomerNumber) { duplicated = true; break; } } custno[custcount++] = C.CustomerNumber; if (!duplicated) { DataArray.ArrayAddCust(C); // The one and only Customer ArrayList addition in this Fn() if (Customer.CustDict != null) { if (!Customer.CustDict.ContainsKey(C.CustomerNumber)) { Customer.CustDict.Add(C.CustomerNumber, C); } } Ccount++; Customer.CustomersLinkedList.AddLast(C); } /* // Handle multiple a/c's held by this customer * if ( C . accountnums [ 1 ] != 0 ) * { * BankAccount Bk = ( BankAccount ) SerializeData . ReadBankAccountFromDisk ( dir + "Bankobject" + C . accountnums [ 1 ] + ".bnk" ); * DataArray . ArrayAddBank ( Bk );// Add to bank ArrayList * Bcount++; * Bk . Dispose ( ); * } * if ( C . accountnums [ 2 ] != 0 ) * { * BankAccount Bk = ( BankAccount ) SerializeData . ReadBankAccountFromDisk ( dir + "Bankobject" + C . accountnums [ 2 ] + ".bnk" ); * DataArray . ArrayAddBank ( Bk );// Add to bank ArrayList * Bcount++; * Bk . Dispose ( ); * } * if ( C . accountnums [ 3 ] != 0 ) * { * BankAccount Bk = ( BankAccount ) SerializeData . ReadBankAccountFromDisk ( dir + "Bankobject" + C . accountnums [ 3 ] + ".bnk" ); * DataArray . ArrayAddBank ( Bk );// Add to bank ArrayList * Bcount++; * Bk . Dispose ( ); * } */ // if (C != null) // C.Dispose(); } // if (B != null) // B.Dispose(); } count++; } } // save our Customer LinkedList to disk as binary and txt files Lists.SaveAllCustomerListData(Customer.CustomerFilePath + "CustSortedListData.cust"); // sort the arrays in Ascending v0 - 9 SortArray.SortBankArray(0); return(count); }
// Save the new customer data as an Object and add it to the Customer List // plus create a BankAccount object and add it to the BankAccount List //*************************************************************************************************************// private void SaveCustButton_Click(object sender, EventArgs e) //*************************************************************************************************************// { if (!dirty) { MessageBox.Show("No changes appear to have been made ?... \nPlease make any changes needed, and then try again" + "", " FULL Customer EDIT entry System"); return; } try { int test = Convert.ToInt16(day.Text); test = Convert.ToInt16(month.Text); test = Convert.ToInt16(year.Text); } catch { new Exception("Date of Birth entry data is invalid..." + day + "/" + month + "/" + year); } /* * if ( AccountType. Text. Contains ( "Normal" ) ) type = 1; * if ( AccountType. Text. Contains ( "Savings" ) ) type = 2; * if ( AccountType. Text. Contains ( "Deposit" ) ) type = 3; * if ( AccountType. Text. Contains ( "Business" ) ) type = 4; */ if (day.Text == "" | month.Text == "" | year.Text == "") { MessageBox.Show("The DOB date you have entered is not valid... Please correct this", " New Customer entry System"); return; } if (Convert.ToInt16(day.Text) < 0 | Convert.ToInt16(day.Text) > 31 | Convert.ToInt16(month.Text) < 0 | Convert.ToInt16(month.Text) > 12 | Convert.ToInt16(year.Text) < 1920 | Convert.ToInt16(year.Text) > DateTime.Now.Year) { MessageBox.Show("The DOB date you have entered is not valid... Please correct this", " New Customer entry System"); return; } string dob = day.Text + "/" + month.Text + "/" + year.Text; /// make sure our DOB data is sound, else we crqash everywhere try { DateTime DOB = Convert.ToDateTime(dob); } catch { MessageBox.Show("The DOB date you have entered is not valid... Please correct this", " New Customer entry System"); return; } if (lname.Text == "") { MessageBox.Show("You must enter a valid Last Name... Please correct this", " New Customer entry System"); return; } if (town.Text == "") { MessageBox.Show("You must enter a valid Town... Please correct this", " New Customer entry System"); return; } if (county.Text == "") { MessageBox.Show("You must enter a valid County... Please correct this", " New Customer entry System"); return; } if (pcode.Text == "") { MessageBox.Show("You must enter a valid PostCode... Please correct this", " New Customer entry System"); return; } if (!dirty) { MessageBox.Show("No changes appear to have been made, so saving it is not required", "Data Validation Warning "); return; } if (Cust != null) { // first grab the ArrayList entry index using original data int index = DataArray.ArrayFindCust(Cust); if (index == -1) { MessageBox.Show("This Customer account details cannot be found in ArrayList...,", "Customer FULL Edit facility"); return; } // go ahead and update the object Cust.FirstName = fname.Text; Cust.LastName = lname.Text; Cust.Address1 = addr1.Text; Cust.Address2 = addr2.Text; Cust.Town = town.Text; Cust.County = county.Text; Cust.PostCode = pcode.Text; Cust.PhoneNumber = tel.Text; Cust.MobileNumber = mob.Text; // Update Customer Object on disk Customer.WriteCustObjectToDiskAndText(Cust, Cust.FullFileName); // update Now we can actually the ArrayList DataArray.CustNo.RemoveAt(index); DataArray.ArrayAddCust(Cust); /* * // already updated previously * // update Customer LinkedList * foreach ( var L in Customer . CustomersLinkedList ) * { * if ( L . CustomerNumber == Convert . ToInt32 ( AccountNo . Text ) ) * { // got it * if ( Customer . CustomersLinkedList . Contains ( L ) ) * { * Customer . CustomersLinkedList . Remove ( L ); * Customer . CustomersLinkedList . AddLast ( Cust ); * } * break; * } * } */ // get the bank account for this customer // and update the relevant fields string s = accountnums.SelectedItem.ToString( ); char[] c = { '\t' }; string[] opts = s.Split(c); Bank = Search.FindBankObjectfromBankNo(opts[0]); // Find the original Bank object in ArrayList int indx = DataArray.ArrayFindBank(Bank); if (indx == -1) { MessageBox.Show("This Bank account details cannot be found in ArrayList...,", "Customer FULL Edit facility"); return; } try { DataArray.BankNo.RemoveAt(indx); // I do this in case the value is formatted eg : 1,235.76 !! which definitely does not compuute easily !! Bank.Balance = Convert.ToDecimal(Convert.ToDecimal(AccountBalance.Text).ToString( )); Bank.InterestRate = Convert.ToDecimal(Interest.Text); // save the changes to our bank account SerializeData.WriteBankAccountToDiskAndText(Bank, Bank.FullFileName); } catch { MessageBox.Show("This Bank account details cannot be updated , Data system is NOW inconsistent !...,", "Customer FULL Edit facility"); return; } // Now we can update ArrayList safely if (indx != -1) { DataArray.ArrayAddBank(Bank); } // Write a transaction record too.... BankTransaction newbankaccount = new BankTransaction( ); newbankaccount.TransDate = DateTime.Now; newbankaccount.AccountType = Bank.AccountType; newbankaccount.CustAccountNumber = Bank.CustAccountNumber; newbankaccount.BankAccountNumber = Bank.BankAccountNumber; newbankaccount.Transamount = Bank.Balance; newbankaccount.Notes = "Opening Balance"; newbankaccount.Status = Bank.Status; BankTransaction.allBankTransactions.AddLast(newbankaccount); //our TWO hash tables do not hold any data that can be changed // update the interest in BankAccount LinkedList in case it hs been chnaged foreach (var BL in BankAccount.BankAccountsLinkedList) { if (BL.CustAccountNumber == Convert.ToInt32(AccountNo.Text)) { BL.InterestRate = Convert.ToDecimal(Interest.Text); // this is the ONLY thing we can update in a bank account break; } } dirty = false; } MessageBox.Show("This Customer account details have been updated successfully...,", "Customer FULL Edit facility"); }
//**************************************************************************************************************************** // this handles making a deposit call. creating the unique a/c #... // and creates a transaction record, and adds it to the linkedlist //**********************************************************************************************************// public static BankAccount CreateNewBankAccount(BankAccount bank, string CustNo, Int16 accounttype, decimal amount, decimal interest, string reason = "") //**********************************************************************************************************// { // create unique account number and set it in the account. bank.BankAccountNumber = GetBankAccountNumberSeed();// this post increments it's value internally bank.CustAccountNumber = Convert.ToInt32(CustNo); bank.Balance = amount; bank.AccountType = accounttype; bank.DateOpened = DateTime.Today.Date; bank.InterestRate = interest; // //This call increments the file numbering seed data bank.FileName = "BankObject" + bank.BankAccountNumber + ".bnk"; // add full filename to the object bank.FullFileName = BankAccount.ReadBankFilePath() + bank.FileName; //This call increments the total banks seed data // Even though we do NOT need its content here. IncrementTotalBanks(); // Ensure we save the file to disk for the Bank object itself SerializeData.WriteBankAccountToDiskAndText(bank, bank.FullFileName); BankTransaction newbankaccount = new BankTransaction(); newbankaccount.TransDate = DateTime.Now; newbankaccount.AccountType = bank.AccountType; newbankaccount.CustAccountNumber = bank.CustAccountNumber; newbankaccount.BankAccountNumber = bank.BankAccountNumber; newbankaccount.Transamount = (decimal)bank.Balance; if (reason == "") { newbankaccount.Notes = "Opening Balance"; } else { if (reason.Contains("Secondary Bank account for Customer")) { reason += bank.BankAccountNumber.ToString(); } newbankaccount.Notes = reason; } newbankaccount.Status = bank.Status; // Add a transaction record BankTransaction.allBankTransactions.AddLast(newbankaccount); BankAccountsLinkedList.AddLast(bank); DataArray.ArrayAddBank(bank); // Update our new Dictionary system if (BankAccount.BankDict != null) { if (!BankAccount.BankDict.ContainsKey(bank.BankAccountNumber)) { BankAccount.BankDict.Add(bank.BankAccountNumber, bank); } } // This saves the bank LinkedList to both an object file and a Text file Lists.SaveAllBankAccountListData(); //Add data ot our TWO hash tables // First the Customer hash tables try { if (CustomerBalanceHashTable.FindHashCustBalEntry(bank.CustAccountNumber.ToString())) { CustomerBalanceHashTable.DeleteHashCustBalEntry(bank.CustAccountNumber.ToString()); } CustomerBalanceHashTable.AddHashCustBalEntry(bank.CustAccountNumber.ToString(), bank.Balance); if (CustomerFileHashTable.CustFileNoHashTable.ContainsKey(bank.CustAccountNumber)) { CustomerFileHashTable.CustFileNoHashTable.Remove(bank.CustAccountNumber.ToString()); } CustomerFileHashTable.CustFileNoHashTable.Add(bank.CustAccountNumber.ToString(), bank.FullFileName.ToString()); } catch { } BankArrayChangedEvent?.Invoke(bank, "NEW BANKACCOUNT"); return(bank); }
public static int RebuildBankListsFromText( ) { int count = 0; string fi = BankAccount.ReadBankFilePath( ) + "Textfiles\\BankAccountListData.txt"; if (File.Exists(fi)) { string input = File.ReadAllText(fi); // you gotta delete them first, else it appends the data constantly char[] ch1 = { '\r' }; char[] ch2 = { ',' }; // char [ ] ch3 = { '~' }; string[] record = input.Split(ch1); string[] BAccts; DataArray.ArrayClearBank( ); BankAccount.BankAccountsLinkedList.Clear( ); // record now has an array of strings that were split on \t // this means we should have at least one, possibly multiple B.Accs in the last element // iterate through and split these out of record into string[] Item2 for (int i = 0; i < record.Length; i++) { string str = record[i]; //This should give us x strings,, the first one can be ignored //, the rest will be bank account numbers cos the format is "xxxxxx,xxxx,yyyy,~4455554544~65645 // and we are after the data immediately past the first ~ string[] Item2 = str.Split(ch2); // check. The plit always gives us ~ONE element, even though it is empty if (Item2.Length == 1 && Item2[0].Length == 0) { break; // Were all done here } BAccts = Item2[7].Split('~'); // go get em (one or more B Accts in a BAccts[] string[] if (BAccts.Length > 1) { // got one or more - do something with them ? } //Baacts MAY contain a leading EMPTY string, so beware // by here , we have an array of strings of Bank accounts owned by this customer. ? for (int x = 0; x < record.Length; x++) { // get a string from string[] array Item1[] BankAccount B = new BankAccount( ); if (B != null) { B.AccountType = Convert.ToInt16(Item2[x]); B.CustAccountNumber = Convert.ToInt32(Item2[x + 1]); B.BankAccountNumber = Convert.ToInt32(Item2[x + 2]); B.Balance = Convert.ToDecimal(Item2[x + 3]); B.DateClosed = Convert.ToDateTime(Item2[x + 4]); B.InterestRate = Convert.ToDecimal(Item2[x + 6]); // We dont seem to save this ????? B.Status = 1; BankAccount.BankAccountsLinkedList.AddLast(B); // Add this one to our linked list of customers. DataArray.ArrayAddBank(B); if (BankAccount.BankDict != null) { if (!BankAccount.BankDict.ContainsKey(B.BankAccountNumber)) { BankAccount.BankDict.Add(B.BankAccountNumber, B); } } SerializeData.WriteBankAccountToDiskAndText(B, fi); count++; break; } } // save linked list to disk in text format Lists.SaveAllBankAccountListData( ); } } return(count); }