private void Button_Click_1(object sender, RoutedEventArgs e)
{
Equipment ec = (sender as Button).Tag as Equipment;
EquipmentAddWindow eaw = new EquipmentAddWindow(ec);
eaw.ShowDialog();
}
private void Button_Click(object sender, RoutedEventArgs e)
{
Equipment new_ec = new Equipment();
EquipmentAddWindow eaw = new EquipmentAddWindow(new_ec);
eaw.ocec = ecs;
eaw.ShowDialog();
}