private void updateLoanList()
{
lbLoans.Items.Clear();
IEnumerable <Loan> loanList = new List <Loan>();
if (loanComboBox.SelectedIndex.Equals(0))
{
editLoanButton.Enabled = true;
loanList = new List <Loan>(_loanService.ActiveLoans());
}
if (loanComboBox.SelectedIndex.Equals(1))
{
editLoanButton.Enabled = true;
loanList = new List <Loan>(_loanService.Overdue());
}
if (loanComboBox.SelectedIndex.Equals(2))
{
editLoanButton.Enabled = false;
loanList = new List <Loan>(_loanService.Archive());
}
foreach (Loan element in loanList)
{
lbLoans.Items.Add(element);
}
updateBookInfo();
updateMemberInfo();
}