void LoadDataToDataGrid_complete(object sender, RunWorkerCompletedEventArgs e) { lbWarning.Visibility = System.Windows.Visibility.Hidden; bdProgress.Visibility = System.Windows.Visibility.Hidden; pbTienTrinh.IsIndeterminate = false; dgSanPham.ItemsSource = _DtSP.DefaultView; cboNhomSanPham.ItemsSource = SanPhamBusiness.LayNSP2(); cboNhomSanPham.SelectedIndex = 0; }