Question

I m trying to map CustomerDTO with my domain entity ICustomer with AutoMapper. Everything works fine for first inheritance level but not for the others.

I m using Interfaces for my domain model since concrete types are injected by StructureMap from my LinqToSql Database Infrastructure layer.

public interface IBaseEntity<TPk>
{
    TPk Id { get; }
}

public interface ICustomer : IBaseEntity<int>
{
    string Email { get; set; }
}

[DataContract]
public class CustomerDTO
{
    [DataMember]
    public int Id { get; set; }

    [DataMember]
    public string Email { get; set; }
}

Now the AutoMapper mapping

Mapper.CreateMap<CustomerDTO, ICustomer>();

Mapper.CreateMap<ICustomer, CustomerDTO>();

Mapper.AssertConfigurationIsValid();

Now where i m using the mapping

    public CreateCustomerServiceResult CreateCustomer(CustomerDTO customer)
    {
        var result = new CreateCustomerServiceResult();
        try
        {
            var originalMapped = Mapper.DynamicMap<CustomerDTO, ICustomer>(customer);

            var newCustomer = _customerService.CreateCustomer(originalMapped);

            var newMapped = Mapper.DynamicMap<ICustomer, CustomerDTO>(newCustomer);

            result.Customer = newMapped;
        }
        catch (Exception ex)
        {

        }
        return result;
    }

I ve got a Dictionnary missing Key Exception on the "Id" property ...

Answer 1

Got It!

The problem was due to the missing setter of "Id" property of IBaseEntity.

After changing it everything works

public interface IBaseEntity<TPk>
{
    TPk Id { get; set; }
}

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