What layer should AutoMapper be?

service layer
you also agree that mapper code should be placed in service layer instead of controller layer, right? yes, but if you have service layer it’s best places to put them over there, because the best place to map the DTO or ViewModel to Domain entities is service layer.

Is AutoMapper faster than manual mapping?

Inside this article, it discusses performance and it indicates that Automapper is 7 times slower than manual mapping.

What is AutoMapper good for?

AutoMapper is a popular object-to-object mapping library that can be used to map objects belonging to dissimilar types. As an example, you might need to map the DTOs (Data Transfer Objects) in your application to the model objects.

How do I use AutoMapper in .NET 5?

Set up AutoMapper in . NET 5

  1. Install the required NuGet package:
  2. To add AutoMapper to your service container on application startup, add the following code in the ConfigureServices method in the Startup.cs class:
  3. Add the AutoMap attributes on the models you want to map.
  4. Usage.

How do I create a map using automapper?

Once you have your types, and a reference to AutoMapper, you can create a map for the two types. The type on the left is the source type, and the type on the right is the destination type. To perform a mapping, use the Map method. Show activity on this post. Show activity on this post.

Does automapper support list types?

For the non-generic enumerable types, only unmapped, assignable types are supported, as AutoMapper will be unable to “guess” what types you’re trying to map. As shown in the example above, it’s not necessary to explicitly configure list types, only their member types.

How to map objects that need constructor parameters using automapper?

To map Objects that need Constructor Parameters using Automapper you need to use the ConstructUsing Method while Creating the Map. See the Sample Console Applications below.

Do we have a hierarchy of types in automapper?

Many times, we might have a hierarchy of types in both our source and destination types. AutoMapper supports polymorphic arrays and collections, such that derived source/destination types are used if found.

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