摘要： public void ParentNode() //创建父节点 { string sql; if (p == "999999") { sql = "select id,LBMC from WJLBB where parent_id=0"; } else { sql = "select id,LBMC from WJLBB where parent_id=0 and bmbh='" + bmbh + "'"; } DataSet ds = newdbclient.DataSets(sql); if 阅读全文