private void DeleteUser(int employeeNumber)
        {
            try
            {
                if (Util.Confirm("Are you sure you want to delete this user? This cannot be undone."))
                {
                    if (_dtCtrl.DeleteFaceIDUser(employeeNumber))
                    {
                        MessageBox.Show("User deleted.");
                    }
                }
            }
            catch (Exception ex)
            {
                Util.ShowErrorMessage(ex);
                return;
            }

            BindUser();
        }