private void btn_New_Click(object sender, RoutedEventArgs e)
{
W_PromotionEdit promotionAdvert = new W_PromotionEdit();
promotionAdvert.ShowDialog();
GetData();
}
private void Btn_edit_Click(object sender, RoutedEventArgs e)
{
W_PromotionEdit promotionAdvert = new W_PromotionEdit();
promotionAdvert.viewModel.PromotionModel = LB_Promotion.SelectedItem as AMS.Model.PromotionAdvertInfo;
promotionAdvert.viewModel.IsEdit = true;
promotionAdvert.ShowDialog();
GetData();
}