Entity Framework + AutoMapper ( Entity to DTO and DTO to Entity )

Question

I\'ve got some problems using EF with AutoMapper. =/

for example :

I\'ve got 2 related entities ( Customers and Orders ) and they\'re DTO classes :

Answer 1

AutoMapper is very expressive when it comes to mapping error. read the exception message carefully.

another important thing is to remember to call Mapper.AssertConfigurationIsValid(); after creating the mappings. it gives an error if the mapping is wrong, thus preventing an exception later in the application runtime.