void customer_BalanceChanged(object sender, EventArgs e)
{
CustomerAccountManager customer = (CustomerAccountManager)sender;
int index = lbBankAccounts.SelectedIndex;
if (index >= 0)
{
lbBankAccounts.Items[index] = customer;
}
if (customer.chequingBalance == null)
{
tbChequingBalance.Text = "N/A";
}
else
{
tbChequingBalance.Text = string.Format("{0:C2}", customer.chequingBalance);
}
if (customer.savingsBalance == null)
{
tbSavingsBalance.Text = "N/A";
}
else
{
tbSavingsBalance.Text = string.Format("{0:C2}", customer.savingsBalance);
}
CustomerAccountManagerDAO customerDAO = new CustomerAccountManagerDAO();
customerDAO.SaveCustomer(customer);
loadSummary();
}
private void loadSummary()
{
CustomerAccountManagerDAO customerDAO = new CustomerAccountManagerDAO();
decimal?totalBalance = customerDAO.TotalOfBalances();
int numberOfCustomer = customerDAO.NumberOfCustomers();
lblSummaryCustomer.Text = string.Format("There are {0} customer(s).", numberOfCustomer);
lblSummaryBalance.Text = string.Format("The total of all account balances is {0:C2}", totalBalance);
}
private void BankManager_Load(object sender, EventArgs e)
{
CustomerAccountManagerDAO customerDAO = new CustomerAccountManagerDAO();
List <CustomerAccountManager> customerList = customerDAO.LoadAllCustomers();
foreach (CustomerAccountManager customer in customerList)
{
lbBankAccounts.Items.Add(customer);
customer.BalanceChanged += customer_BalanceChanged;
}
loadSummary();
}
private void btnCreateCustomer_Click(object sender, EventArgs e)
{
if (tbFirstName.TextLength == 0 || tbLastName.TextLength == 0)
{
MessageBox.Show("Enter First name and Last name of the customer!", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
return;
}
CustomerAccountManagerDAO customerDAO = new CustomerAccountManagerDAO();
CustomerAccountManager customer = customerDAO.CreateCustomer(tbFirstName.Text, tbLastName.Text);
customer.BalanceChanged += customer_BalanceChanged;
lbBankAccounts.Items.Add(customer);
tbFirstName.Clear();
tbLastName.Clear();
loadSummary();
}