private void btnUpdateProduct_Click(object sender, EventArgs e) { Form2 frm2 = new Form2(); frm2.Show(); frm2.updateProductInformation(id, product_name, product_mark, product_model, product_door, product_engine, product_hp, product_cubic, product_gearbox, product_typeCar, product_serialNumber, product_category, product_subcategory); }