private void LoadGrid() { try { dgDrawing.ItemsSource = null; if (txtFilter.Text != string.Empty) { dgDrawing.ItemsSource = dwService.GetAll(txtFilter.Text); } else { dgDrawing.ItemsSource = dwService.GetAll(); } } catch (Exception ex) { MessageBox.Show(ex.Message + " - Erro ao consultar dados", "Error", MessageBoxButton.OK, MessageBoxImage.Error); } }