//Заполнение ListView
private void AddUsersListView()
{
lvUsers.Items.Clear();
User[] users = Shop.GetAllUsers();
foreach (User u in users)
{
ListViewItem lvi = new ListViewItem();
ListViewItem.ListViewSubItem lvsi = new ListViewItem.ListViewSubItem();
lvi.Text = u.FirstName;
lvi.Tag = u.ID;
lvsi.Text = u.LastName;
lvi.SubItems.Add(lvsi);
lvsi = new ListViewItem.ListViewSubItem();
lvsi.Text = u.Login;
lvi.SubItems.Add(lvsi);
lvUsers.Items.Add(lvi);
}
}