摘要: 一、用法总结 二、代码实例 private void OpenDB() { try { if (conn.State == System.Data.ConnectionState.Closed) { conn.ConnectionString = "server=WIN-4SG5D35BGK7\\S 阅读全文
posted @ 2019-03-14 10:01 ike_li 阅读(171) 评论(0) 推荐(0)