Automapper和类层次结构

Question

鉴于以下来源：

public class SourceBase { public string TheString { get; set; } } 
public class SourceDerived : SourceBase { } 

和目标：

public class DestBase { public string MyString { get; set; } } 
public class DestDerived : DestBase { } 

而且这种映射：

CreateMap<SourceBase, DestBase>() 
    .ForMember(dest => dest.MyString, o => o.MapFrom(x => x.TheString)) 
    .Include<SourceDerived, DestDerived>(); 

    CreateMap<SourceDerived, DestDerived>(); 
    Mapper.AssertConfigurationIsValid(); // Exception is thrown here 

然而，这给出了一个映射错误说MyString的ISN没有映射到DestDerived。是什么赋予了？我是否真的需要在所有派生类型中重复基类属性的映射（我在我的实际代码中有多个子类）。

编辑：

确切的例外是上DestDerived以下1个性能无法映射：MyString中。添加自定义映射表达式，忽略或重命名DestDerived上的属性。

Answer 1

请查看这篇文章： http://groups.google.com/group/automapper-users/browse_thread/thread/69ba514a521e9599

它工作正常，如果您在下面的代码（使用AutoMapper 1.1.0.188）宣布它像。我不确定这是否能解决您的问题。

var result = Mapper.CreateMap<SourceBase, DestBase>() 
       .ForMember(dest => dest.MyString, o => o.MapFrom(x => x.TheString)); 
       //.Include<SourceDerived, DestDerived>(); 
      Mapper.CreateMap<SourceDerived, DestDerived>(); 
      var source = new SourceDerived(); 
      var destDerived = new DestDerived(); 
      source.TheString = "teststring"; 
      var mapResult = Mapper.Map<SourceBase, DestBase>(source, destDerived).MyString; 
      Console.WriteLine(mapResult);