namespace polymorphism_test_01 abstract class Base_Collection public int id = 0;public string title = "";
} public Book() { }
public override void Read_Book(
当Version属性位于抽象基类上时,我在使用NHibernate (和Fluent NHibernate)和尝试使用session.Lock功能时遇到了问题。public abstract class AbstractBaseClass : Entity public virtual int Version { get; protected set; }}
{