摘要: 1 public class SQLHelper { 2 private static string connString = ""; 3 public static int Update(string sql) { 4 SqlConnection conn = new SqlConnection( 阅读全文
posted @ 2019-07-03 17:47 学海无涯,天道酬勤 阅读(238) 评论(0) 推荐(0)