摘要: class SqlHelper{ private static string connstr = ConfigurationManager.ConnectionString["DBConnectionStr"].ConnectionString; //封装方法原则:把不变的放到方法里,把变化的放在参数中 public static int ExecuteNonQuery(string sql) { using(Sqlconnection conn = new SqlConnetion(connstr)) { c... 阅读全文
posted @ 2013-10-12 18:51 Tiny_v 阅读(171) 评论(0) 推荐(0)