// find the customer
private void findaccount_Click(object sender, EventArgs e)
{
if (dirty)
{
return;
}
// This is the BANK #
string accno = AccountNumber.Text;
Bank = DataArray.ArrayGetBank(Convert.ToInt32(AccountNumber.Text));
if (Bank == null)
{
info.Text = "The Customer # " + AccountNumber.Text + " cannot be found ?. Please try again... ";
MessageBox.Show("The Bank account # " + AccountNumber.Text + " for this Customer cannot be found ?. Please try a different value... ", "Customer deletion system");
AccountNumber.Focus( );
return;
}
Cust = Customer.GetCustomerAccount(Bank.CustAccountNumber.ToString( ));
if (Cust == null)
{
MessageBox.Show("Unable to find the Customer Record from LinkedList", "Database system ERROR"); return;
}
else
{
DeleteButton.Enabled = true;
command.Text = "Account has been identified successfully";
FirstName.Text = Cust.FirstName;
LastName.Text = Cust.LastName;
command.Text = "Click <DELETE> to REMOVE PERMANENTLY";
}
}
//======================================================================
private void clearform_Click_1(object sender, EventArgs e)
//======================================================================
{ // clar all data froim fields
notes.Text = ""; AccountNumber.Text = "";
AccountBalance.Text = "";;
OpenDate.Text = "";
Interest.Text = "";
custno.Text = "";
AccountNumber.Focus();
}
private void AccountNumber_Leave(object sender, EventArgs e)
{
if (AccountNumber.Text == "1234")
{
info.Text = "Please complete the Customer A/c # entry correctly";
AccountNumber.Focus( );
return;
}
if (dirty)
{
return;
}
if (AccountNumber.Text == "")
{
MessageBox.Show("You MUST enter a valid Cusotmer A/c #, Please try again... ", "Customer deletion system");
AccountNumber.Focus( );
return;
}
if (Bank == null)
{
Bank = DataArray.ArrayGetBank(Convert.ToInt32(AccountNumber.Text));
if (Bank == null)
{
info.Text = "The Customer # " + AccountNumber.Text + " cannot be found ?. Please try again... ";
MessageBox.Show("The Bank account # " + AccountNumber.Text + " for this Customer cannot be found ?. Please try a different value... ", "Customer deletion system");
AccountNumber.Focus( );
return;
}
bankno.Text = Bank.BankAccountNumber.ToString( );
}
DeleteButton.Enabled = true;
//Customer C = new Customer ( );
Cust = DataArray.ArrayGetCust(Convert.ToInt32(Bank.CustAccountNumber.ToString( )));
if (Cust == null)
{
MessageBox.Show("Cannot identify the Customer A/c # , Please try again... ", "Customer deletion system");
return;
}
else
{
LastName.Text = Cust.LastName;
FirstName.Text = Cust.FirstName;
info.Text = "Customer A/C found ! - Click the Delete button to remove this account...";
DeleteButton.Focus( );
MessageBox.Show("Customer A/c # Identified, press the Delete button to remove it... ", "Customer deletion system");
}
}
// find account
private void DeleteButton_Click(object sender, EventArgs e)
{
string accno = AccountNumber.Text;
string balstr = "";
if (Cust == null)
{
Cust = Customer.GetCustomerAccount(accno);
}
if (Cust == null)
{
MessageBox.Show("Unable to find the Customer Record on Disk", "Database system ERROR"); return;
}
// now check all the objects first, then finally delete it all
Bank = Search.FindBankObjectfromCustNo(accno); // get the full file name/path
if (Bank == null)
{
MessageBox.Show("Unable to open the Bank Account Record File (Object for deletion)!", "Database system ERROR");
// Cu . Dispose ( ); // delete Customer object in memory sraight away
return;
}
else
{
balstr = Bank.Balance.ToString( );
if (Bank.Balance > 0)
{
DialogResult result;
result = MessageBox.Show("This Customer has a positive balance of " + Bank.Balance.ToString( ) + " in their main account!\nDo you really want to continue to delete it ?", "Financial Adjustment Required", MessageBoxButtons.YesNo);
if (result == DialogResult.No)
{
return;
}
}
// Find CUSTOMER in LINKED LIST and DELETE IT.
foreach (var L in Customer.CustomersLinkedList)
{
if (L.CustomerNumber == Convert.ToInt32(accno))
{
Customer.CustomersLinkedList.Remove(L);
// L.Dispose ( );
break;
}
}
// Find CUSTOMER in ArrayLIST and DELETE IT.
// remember to also delete ALL other Bank A/cs
// DeleteSecondaryBankAccounts handles both LinkedList and ArrayList
// and the disk file itself
if (Cust.accountnums[1] > 0)
{
DeleteSecondaryBankAccounts(Bank, Cust.accountnums[1]);
}
if (Cust.accountnums[2] > 0)
{
DeleteSecondaryBankAccounts(Bank, Cust.accountnums[2]);
}
if (Cust.accountnums[3] > 0)
{
DeleteSecondaryBankAccounts(Bank, Cust.accountnums[3]);
}
// dont forget the original account
DeleteSecondaryBankAccounts(Bank, Cust.accountnums[0]);
BankTransaction newtransrecord = new BankTransaction(
DateTime.Now, // Transaction Date
Bank.AccountType, // Account Type
Bank.CustAccountNumber, // Cust Account #
Bank.BankAccountNumber, // Bank Account #
Convert.ToDecimal("0.00"), // Transaction Amount
"Customer " + Bank.CustAccountNumber.ToString( ) + " has been deleted", // Notes
Bank.Status); // Status
// remove the customer from our ArrayList
if (!DataArray.ArrayDeleteCust(Cust))
{
MessageBox.Show("Failed to delete the Customer record from ArrayList", "Data processing ERROR");
}
// write a transaction record so we rmeeber th eCustomer has GONE...
BankTransaction.allBankTransactions.AddLast(newtransrecord);
// Finally Delete the Customer record
if (File.Exists(Cust.FullFileName))
{
File.Delete(Cust.FullFileName);
}
// now delete the Textfile copy
string fi = Customer.GetCustFilePath( ) + "Textfiles\\custobj" + Bank.CustAccountNumber.ToString( ) + ".txt";
if (File.Exists(fi))
{
File.Delete(fi);
}
File.Delete(Bank.FullFileName); // now delete the actual Bank Account file
// clean up our memeory usage after ourselves so far
// Bank . Dispose ( ); // delete BankAccount object in memory
// Cust . Dispose ( ); // delete our file wide Customer object in memory
}
// Bank. fc . Text = "Customer # " + accno + " has been deleted from the system successfully..\r\n";
command.Text = "Account " + accno + " has been deleted completely";
FirstName.Text = "";
LastName.Text = "";
//AccountNumber . Text = "";
info.Text = "including all attached Bank Account(s)";
if (balstr.Length > 0)
{
MessageBox.Show("The selected Customer # had a balance of " + Bank.Balance.ToString( ) + " in their main account!\nbut the account has still been deleted?", "Financial Adjustment Required", MessageBoxButtons.YesNo);
}
else
{
MessageBox.Show("The selected Customer # has been deleted succesfully including their main and auxuiliary accounts?", "Customer Deletion Utility", MessageBoxButtons.YesNo);
}
AccountNumber.Focus( );
}
public CustomerDelete( )
{
InitializeComponent( );
// Bank. fc . Text += "Delete Customer Window Loaded..\r\n";
AccountNumber.Focus( );
}
