private void btn_search_Click(object sender, EventArgs e) { if (txt_keyword.Text.Trim() != string.Empty) { if (Global.online) { List <string> lawIdList = RemoteWorker.getSearch(txt_keyword.Text.Trim()); ((LibraryList)parentForm).LoadSearchResultLaw(lawIdList); } else { List <string> lawIdList = db.offLineSearch(queryParam, txt_keyword.Text.Trim()); ((LibraryList)parentForm).LoadSearchResultLaw(lawIdList); } } else { ((LibraryList)parentForm).loadLocalLawList();//如果搜索内容为空,则显示全部法规 } }