private void populate()
{
lstTransactions.Items.Clear();
for (int i = 0; i < _transactionManager.TransactionList.Count; i++)
{
this.lstTransactions.Items.Add(_transactionManager.TransactionList[i].Name);
this.lstTransactions.Items[this.lstTransactions.Items.Count - 1].SubItems.Add(_transactionManager.TransactionList[i].Date);
this.lstTransactions.Items[this.lstTransactions.Items.Count - 1].SubItems.Add(_transactionManager.TransactionList[i].Type);
this.lstTransactions.Items[this.lstTransactions.Items.Count - 1].SubItems.Add(_transactionManager.TransactionList[i].Amount);
}
lblIncome.Text = _transactionManager.CalulateIncome().ToString("c");
lblExpenses.Text = _transactionManager.CalulateExpenses().ToString("c");
lblTotal.Text = _transactionManager.CalulateTotal().ToString("c");
}