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 btnWithdraw_Click(object sender, EventArgs e)
{
CustomerAccountManager customer = (CustomerAccountManager)lbBankAccounts.SelectedItem;
if (customer == null)
{
return;
}
decimal AmountDec;
decimal.TryParse(tbAmount.Text, out AmountDec);
if (rbChequing.Checked)
{
try
{
customer.WithdrawChequing(AmountDec);
}
catch (InvalidOperationException ex)
{
MessageBox.Show(ex.Message, "Invalid Operation", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
if (rbSavings.Checked)
{
try
{
customer.WithdrawSavings(AmountDec);
}
catch (InvalidOperationException ex)
{
MessageBox.Show(ex.Message, "Invalid Operation", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
tbAmount.Clear();
}
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();
}
private void btnDeposit_Click(object sender, EventArgs e)
{
CustomerAccountManager customer = (CustomerAccountManager)lbBankAccounts.SelectedItem;
if (customer == null)
{
return;
}
decimal AmountDec;
decimal.TryParse(tbAmount.Text, out AmountDec);
if (rbChequing.Checked)
{
customer.DepositChequing(AmountDec);
}
if (rbSavings.Checked)
{
customer.DepositSavings(AmountDec);
}
tbAmount.Clear();
}
private void lbBankAccounts_SelectedIndexChanged(object sender, EventArgs e)
{
CustomerAccountManager customer = (CustomerAccountManager)lbBankAccounts.SelectedItem;
if (customer != null)
{
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);
}
}
}
internal void SaveCustomer(CustomerAccountManager CustomerAccount)
{
decimal?chequing = CustomerAccount.chequingBalance;
decimal?saving = CustomerAccount.savingsBalance;
if (chequing != null)
{
SqlCommand sqlcmdCustomer = new SqlCommand("SELECT CustomerNumber, AccountType, Balance FROM Account WHERE CustomerNumber = @pCustomerNumber AND AccountType='C'", Connection);
SqlDataAdapter sqldaCustomer = new SqlDataAdapter(sqlcmdCustomer);
SqlCommandBuilder cmdbldr = new SqlCommandBuilder(sqldaCustomer);
DataTable dt = new DataTable();
sqlcmdCustomer.Parameters.AddWithValue("pCustomerNumber", CustomerAccount.customerNo);
sqldaCustomer.Fill(dt);
if (dt.Rows.Count > 0)
{
DataRow dr = dt.Rows[0];
dr["Balance"] = chequing;
sqldaCustomer.Update(dt);
}
else
{
DataRow dr = dt.NewRow();
dr["CustomerNumber"] = CustomerAccount.customerNo;
dr["AccountType"] = 'C';
dr["Balance"] = chequing;
dt.Rows.Add(dr);
sqldaCustomer.Update(dt);
}
}
if (saving != null)
{
SqlCommand sqlcmdCustomer = new SqlCommand("SELECT CustomerNumber, AccountType, Balance FROM Account WHERE CustomerNumber = @pCustomerNumber AND AccountType='S'", Connection);
SqlDataAdapter sqldaCustomer = new SqlDataAdapter(sqlcmdCustomer);
SqlCommandBuilder cmdbldr = new SqlCommandBuilder(sqldaCustomer);
DataTable dt = new DataTable();
sqlcmdCustomer.Parameters.AddWithValue("pCustomerNumber", CustomerAccount.customerNo);
sqldaCustomer.Fill(dt);
if (dt.Rows.Count > 0)
{
DataRow dr = dt.Rows[0];
dr["Balance"] = saving;
sqldaCustomer.Update(dt);
}
else
{
DataRow dr = dt.NewRow();
dr["CustomerNumber"] = CustomerAccount.customerNo;
dr["AccountType"] = 'S';
dr["Balance"] = saving;
dt.Rows.Add(dr);
sqldaCustomer.Update(dt);
}
}
}