private void BtnAdd_Click(object sender, RoutedEventArgs e)
{
NewStaffPage a = new NewStaffPage();
a.RefreshStaffList = Refresh;
NavigationService.Navigate(a);
}
private void BtnEdit_Click(object sender, RoutedEventArgs e)
{
Staff staff = liststaff.SelectedItem as Staff;
if (staff == null)
{
return;
}
NewStaffPage a = new NewStaffPage(staff);
a.RefreshStaffList = Refresh;
NavigationService.Navigate(a);
}