//selection of a bank for displaying bank's customers & accounts
private void lvAccsCustOfBank_SelectedIndexChanged(object sender, EventArgs e)
{
if (lvAccsCustOfBank.SelectedItems.Count > 0)
{
ListViewItem item = lvAccsCustOfBank.SelectedItems[0];
int bankId;
bool evalTest = int.TryParse(item.SubItems[0].Text.Trim(), out bankId);
customerUtility.GetCustomersAndAccountsOfBank(lblCustomersAndAccountsOfBank, bankId);
}
}