AutoMapper.Mapper.CreateMap<TSource,TDestination>() is obsolete. The static API will be removed in version 5.0. Use a MapperConfiguration instance and store statically as needed. Use CreateMapper to create a mapper instance.

[twig...@gmail.com]

Hi, I am just getting started with Automapper. I am using version 4.2. I have followed some example that were on the web to get the mapping initialize but seeing the following 

AutoMapper.Mapper.CreateMap<TSource,TDestination>() is obsolete. The static API will be removed in version 5.0. Use a MapperConfiguration instance and store statically as needed. Use CreateMapper to create a mapper instance. What do I need to do get this message to disappear?

I am using the automapper on a web api project.

Here is what I have on the 

 public static class WebApiConfig

    {

        /// <summary>

        /// 

        /// </summary>

        /// <param name="config"></param>

        public static void Register(HttpConfiguration config)

        {

            // Web API configuration and services

            // Configure Web API to use only bearer token authentication.

            config.SuppressDefaultHostAuthentication();

            config.Filters.Add(new HostAuthenticationFilter(OAuthDefaults.AuthenticationType));

            var cors = new EnableCorsAttribute("*", "*", "GET");

            config.EnableCors();

            

            // Web API routes

            config.MapHttpAttributeRoutes();

            config.Routes.MapHttpRoute(

                name: "DefaultApi",

                routeTemplate: "api/{controller}/{id}",

                defaults: new { id = RouteParameter.Optional }

            );

           

            AutoMapperConfig.RegisterMappings();

        }

    }

public static void RegisterMappings()

        {

             

            AutoMapper.Mapper.CreateMap<Xrm.api_event, Event>();

           

        }

[Jimmy Bogard]

https://github.com/AutoMapper/AutoMapper/wiki/Migrating-from-static-API

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[Simba Twiga]

where do I need to put this on the central place on the web.api project. Or do I have to call this every time I call mapper.Map? And what is AppProfile. 

var config = new MapperConfiguration(cfg => {
    cfg.AddProfile<AppProfile>();
    cfg.CreateMap<Source, Dest>();
});

var mapper = config.CreateMapper();
var dest = mapper.Map<Source, Dest>(new Source());

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[Jimmy Bogard]

Put it in where the other central Web API config is. Profiles are a way to gather CreateMap calls into a single spot (or multiple).

Basically, you only need to call CreateMap once per AppDomain, the non-static API enforces this.

[Simba Twiga]

Yes. Sorry for my ignorance that I am not understanding. Is it possible to see a sample automapper configured on Web API project.

[Jimmy Bogard]

It's not much different than you have. Instead of calling static methods, call instance ones. Instead of calling Mapper.Map, you can inject an IMapper or create your own static field.

[velku...@gmail.com]

Hi Jimmy,

I'm using AutoMapper 3.2.1 where i have a single class where i used to Initialize all my mappings as below 

  Mapper.Initialize(cfg =>

            {

                cfg.CreateMap<UserLoginViewModel, User>();

                cfg.CreateMap<LoginViewModel, User>();

            });

Usage

 var user = Mapper.Map<LoginViewModel, User>(model);

I'm trying to upgrade with 4.2.1 i'm facing a problem, like below 

my configuration for 4.2.1

 public static class AutoMapperConfig

    {

        public static void Setup()

        {

            var config = new MapperConfiguration(cfg =>

            {

                cfg.CreateMap<LoginViewModel, User>();

                cfg.CreateMap<UserLoginViewModel, User>();

            });

            config.AssertConfigurationIsValid();

        }

    }

Missing type map configuration or unsupported mapping.

Mapping types:
LoginViewModel -> User
MFA.ViewModel.LoginViewModel -> MFA.Domain.User

Destination path:
User

Source value:
MFA.ViewModel.LoginViewModel

[eugen.she...@gmail.com]

Hi, did you fix your problem?

After upgrade automapper I have exactly the same issue

[Jimmy Bogard]

Your code can be used exactly the same in 4.2.1, Mapper.Initialize and Mapper.Map.

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