private void Btn_create_Click(object sender, EventArgs e) { string location = Txt_location_create.Text; string site_name = Txt_site_name_create.Text; if (Btn_bool_used_create.Checked == true) { Boolean used = true; api.insertConstruction(location, site_name, used); } else { Boolean used = false; api.insertConstruction(location, site_name, used); } Display(); }