相关疑难解决方法(0)

给定对象层次结构

public class Parent
{
    public int Id { get; set; }
    public virtual Child Child { get; set; }
}

public class Child
{
    public int Id { get; set; }
    public virtual GrandChild GrandChild { get; set; }
}

public class GrandChild
{
    public int Id { get; set; }
}

和DB上下文

public class MyContext : DbContext
{
    public DbSet<Parent> Parents { get; set; }
}

可以包括使用Lambda语法(using System.Data.Entity)的子孙,如下所示:

using (MyContext ctx = new MyContext())
{
    var …