摘要: ExecuteNonQuery()方法对Update,Insert,Delete语句有效,对select无效 using (var conn = new SqlConnection(connectionString)) using (var cmd = new SqlCommand()) { cmd 阅读全文
posted @ 2020-06-04 18:14 ꧁执笔小白꧂ 阅读(1464) 评论(0) 推荐(0)