使用SqlDataReader获取只读数据

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 public static SqlDataReader GetUserLogin(string ssss)
       {
           sql = "select UserPerson,UserAge,UsercRreateTime from T_User where UserName=@userName ";        
           con = ConSQL();
           cmd = new SqlCommand(sql, con);
           try
           {
               con.Open();
               SqlParameter ps = new SqlParameter("@userName ", ssss);
               cmd.Parameters.Add(ps);
               return cmd.ExecuteReader(CommandBehavior.CloseConnection);
           }
           catch (Exception e)
           {
               throw new Exception("执行任务失败:" + e.Message + " " + sql);
           }     
       }

使用SqlDataReader获取只读数据

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原文地址：http://www.cnblogs.com/haimingkaifa/p/5826950.html