现在最常用的从C＃访问数据库的方法是什么

Ok, I am asking this question because I am totally confused. I used to use normal approach to access databases from C#(I mean by using SQLConnection, OracleConnection, SQLCommand, executequery etc.). Then I heard about ADO.NET, ORM and learned NHibernate(not a pro, but I can manage).Ok, I am asking this question because I am tota