public static bool DeleteSecondaryBankAccounts(BankAccount B, Int32 bankno) { int indx = DataArray.ArrayFindBank(bankno); if (indx == -1) { MessageBox.Show("Unable to identify Bank Record in ArrayList, Bank Account has NOT been deleted!\nThe System data is NOW in an UNSTABLE condition....", "Data system ERROR"); return(false); } else { // delete all the bank stuff for this additional account DataArray.BankNo.RemoveAt(indx); BankAccount.BankDict.Remove(indx); // remove entry in linked list foreach (BankAccount b in BankAccount.BankAccountsLinkedList) { if (b.BankAccountNumber == bankno) { BankAccount.BankAccountsLinkedList.Remove(b); break; } } // Delete the file from disk File.Delete(B.FullFileName); //info.Text = "Secondary Bank Account # " + bankno . ToString ( ) + " has been deleted successfully..\r\n"; return(true); } }
//*******************************************************************************************// public static bool DeleteBankAccount(string accountNo) //**********************************************************************************************************// { bool result = false; //First we need the relevant bank account object foreach (var Bank in BankAccountsLinkedList) { // check for matching AccountNumber in each BankAccount Object if (Bank.CustAccountNumber == Convert.ToInt32(accountNo)) { // Found the BankAccount object we want to close // first, remove it from the LinkedList BankAccountsLinkedList.Remove(Bank); // now do the bankno array int index = DataArray.ArrayFindBank(Bank); DataArray.BankNo.RemoveAt(index); // Update our new Dictionary system if (BankDict != null) { BankDict.Remove(index); } // Then delete the bank object itself // Bank.Dispose(); // Finally,we need to add a transactions record for this account BankTransaction bt = new BankTransaction(); bt.TransDate = DateTime.Now; bt.AccountType = 9; bt.CustAccountNumber = Convert.ToInt32(accountNo); bt.BankAccountNumber = Bank.BankAccountNumber; bt.Transamount = 0; bt.Notes = "Account has been closed"; bt.Status = 2; // closed BankTransaction.allBankTransactions.AddLast(bt); result = true; //Trigger our event BankListChangedEvent?.Invoke(Bank, "BANKACCOUNT DELETED"); break; } } if (!result) { MessageBox.Show("Failed to delete the entry from the Transactions list..."); return(false); } else { return(true); } }
// 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"); }
// 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"); }
//====================================================================== private void rewrite_Click(object sender, EventArgs e) //====================================================================== { string output = ""; if (notes.Text == "" || AccountNumber.Text == "" || AccountBalance.Text == "" || OpenDate.Text == "" || Interest.Text == "" || custno.Text == "") { MessageBox.Show("One or more data items are Empty - All fields must be completed before saving it ..." + "\nRecommeded action is to use the DropDown list to reselect a valid Bank Account", "Data Validation ERROR"); info.Text = "One or more data items are Empty - All fields must be completed before saving it ..."; return; } string stat; if (status.Text == "Active") { stat = "1"; } else { stat = "0"; } int type = AccountType.SelectedIndex + 1; // format is "Bank A/c # + "," + Customer A/c # + "," + A/c Type + "," + Balance + "," + Date Opened (short) + "," + Date Closed (short) + "," + Interest + "," + Status (0/1)+ "\r\n" output = AccountNumber.Text + "," + custno.Text + "," + type.ToString() + "," + AccountBalance.Text + ","; output += Convert.ToDateTime(OpenDate.Text).ToShortDateString() + "," + Convert.ToDateTime("01/01/0001").ToShortDateString() + "," + Interest.Text; output += "," + stat + "\r\n"; string path = BankAccount.ReadBankFilePath(); path += "Textfiles\\BankObject" + AccountNumber.Text + ".txt"; if (File.Exists(path)) { File.Delete(path); // you gotta delete them first, else it appends the data constantly } File.AppendAllText(path, output); // update the bank object path = BankAccount.ReadBankFilePath(); path += "Bankobject" + AccountNumber.Text + ".bnk"; // read the bank a/c in fresh from disk so it is clean BankAccount Bank = SerializeData.ReadBankAccountFromDisk(path); if (Bank == null) { MessageBox.Show("Bank Account Object file cannot be loaded (or saved)!", "Bank Object Error"); return; } Int32 bankno = Bank.BankAccountNumber; // update the Bank object Bank.AccountType = Convert.ToInt16(AccountType.SelectedIndex); Bank.AccountType++;// cos th reindex starts at ZERO !! Bank.Balance = Convert.ToDecimal(AccountBalance.Text); Bank.InterestRate = Convert.ToDecimal(Interest.Text); string banknostring = Bank.BankAccountNumber.ToString(); //Update the version in Bank Array int index = DataArray.ArrayFindBank(Bank); DataArray.BankNo[index] = Bank; // Update the version in our Bank LinkedList foreach (var B in BankAccount.BankAccountsLinkedList) { if (B.BankAccountNumber == bankno) { // got it, rpelace with our new one BankAccount.BankAccountsLinkedList.Remove(B); BankAccount.BankAccountsLinkedList.AddLast(Bank); break; } } // This saves the bank LinkedList to both an object file and a Text file Lists.SaveAllBankAccountListData(); // write theBank object to disk SerializeData.WriteBankAccountToDiskAndText(Bank, path); // Add a bank Transaction BankTransaction newbankaccount = new BankTransaction(Bank.DateOpened, Bank.AccountType, Bank.CustAccountNumber, Bank.BankAccountNumber, Bank.Balance, "Bank details edited from Textfile input", Bank.Status); BankTransaction.allBankTransactions.AddLast(newbankaccount); // that's it ***ALL***all Bank Data structures have been updated info.Text = "Bank Account data has been fully updated throughout System"; }