private void cbCategoryFilterActionPerformed( java.awt.event.ActionEvent evt) { // GEN-FIRST:event_cbCategoryFilterActionPerformed String category = (String) cbCategoryFilter.getSelectedItem(); productModel.updateItems(dao.getByCategory(category)); // String filter = cbCategoryFilter.getToolTipText(); // productModel.updateItems(dao. } // GEN-LAST:event_cbCategoryFilterActionPerformed