private void Button_Click(object sender, RoutedEventArgs e)
{
WindowAddService windowAdd = new WindowAddService();
windowAdd.ShowDialog();
List123.ItemsSource = context.Service.ToList();
}
private void dtAddClick(object sender, RoutedEventArgs e)
{
WindowAddService windowaddswevice = new WindowAddService();
windowaddswevice.Show();
ListMain.SelectedItem = context.Service.ToList();
Buf(minp, maxp);
}