I have the following Domain Object:
public class DomainClass
{
public int Id { get; set; }
public string A { get; set; }
public string B { get; set; }
}
public class Parent
{
public int Id { get; set; }
public string A { get; set; }
public Child Child { get; set; }
}
public class Child
{
public int Id { get; set; }
public string B { get; set; }
}
Mapper.CreateMap<DomainClass, Parent>();
Mapper.CreateMap<DomainClass, Child>();
var domain = GetDomainObject();
var parent = Mapper.Map<DomainClass, Parent>(domain); // parent.Child is null
var domain = GetDomainObject();
var parent = Mapper.Map<DomainClass, Parent>(domain);
parent.Child = Mapper.Map<DomainClass, Child>(domain);
You just need to specify that in the mapping:
Mapper.CreateMap<DomainClass, Child>();
Mapper.CreateMap<DomainClass, Parent>()
.ForMember(d => d.Id, opt => opt.MapFrom(s => s.Id))
.ForMember(d => d.A, opt => opt.MapFrom(s => s.A))
.ForMember(d => d.Child,
opt => opt.MapFrom(s => Mapper.Map<DomainClass, Child>(s)));