The 5.0 version of AutoMapper has significant performance increases. In our benchmarks, using a very similar type that you've shown here, we can map one million items in a little over a second. In the upcoming 5.1 version, that shrinks even more that we're only about 3x slower than hand-mapping, mainly due to null checking that hand mapping won ...AutoMapper.Collection adds EqualityComparison Expressions for TypeMaps to determine if Source and Destination type are equivalent to each other when mapping collections. 19.1M: IdentityServer4.EntityFramework.Storage EntityFramework persistence layer for IdentityServer4. 18.0M: AutoMapper.Extensions.ExpressionMapping ...AutoMapper.Mapper.CreateMap ()' is obsolete: 'Dynamically creating maps will be removed in version 5.0. Use a MapperConfiguration instance and store statically as needed, or Mapper.Initialize. Use CreateMapper to create a mapper instance. I need to map some properties of classes which has different name and structure.AutoMapper is probably one of the most used #dotnet library. It makes our day to day life much easier. However, it simplicity is often misused and the most p...Just like any other service, inject AutoMapper IMapper service in to the blazor component class using thr [Inject] attribute. If you have an ASP.NET Core MVC controller, use the standard constructor injection. Use the IMapper service Map method to do the object mapping. The first parameter is the source and the second parameter is the destination. Automapper: Best practices for ReverseMap. I'm looking for some guidance on the usage of ReverseMap in configuring the mappings for Automapper. I'm using Automapper to map between my DB Entities and my Models. For clarity, here is simplified example of what they look like: public string Id { get; set; } public List<Element> Elements …AutoMapper is the most common library used to map one object to another. With AutoMapper you can transmit the data in your input object to an output object, reusing the same conversion logic in the whole project. Nowadays, most Web API architecture projects have more than 2 layers. If you apply a loosely coupled design between those …There is a NuGet package to be used with the default injection mechanism described here and used in this project. Starting with version 13.0, AddAutoMapper is part of the core package and the DI package is discontinued. You define the configuration using profiles. And then you let AutoMapper know in what assemblies are those profiles defined by ... Step by step walkthroughs. Will see step by step how we can integrate Automapper to a project. Step 1. Add the AutoMapper.Extensions.Microsoft.DependencyInjection Package to your solution via NuGet. Step 2. Create two files as Customer.cs and CustomerModel.cs and add class …Just create a mapper for two Enums, that's it! Automapper will map by the either the matching value or index value of the Enum. (e.g. Draft -> Step1) public enum SourceStatus { Draft, Submitted, Deleted } public enum DestinationStatus { Step1, Step2, Step3 } public class SourceObj { public SourceStatus Status { get; set; } } public class ...AutoMapper uses a fluent configuration API to define an object-object mapping strategy. AutoMapper uses a convention-based matching algorithm to match up source to destination values. AutoMapper is geared towards model projection scenarios to flatten complex object models to DTOs and other simple objects, whose design is better suited for ... AutoMapper.EF6: Extension Methods for EF6. Async extension methods for ProjectTo. AutoMapper.Collection: Map collections by means of equivalency. EqualityComparision between 2 classes. Add, map to, and delete items in a collection by comparing items for matches. AutoMapper.Collection.EF to support Equality by Primary Keys 118k 11 119 155. Add a comment. 1. The short answer is it's generally better to use CreateMap. Create map defines mappings that can be used for both MapTo and ProjectTo whereas CreateProjection defines mappings that only works with ProjectTo and effectively disables the use of MapTo.Example to Understand AutoMapper Reverse Mapping in C#. Let us understand AutoMapper Reverse Mapping in C# with an example. We are going to use the following three classes for this demo. First, create a class file with the name Customer.cs and then copy and paste the following code into it. This is a very simple class having 4 primitive …16 Jan 2023 ... ... Automapper 04:10 Extension method for mapping 11:03 Use the mappers and ... Don't Use AutoMapper in C#! Do THIS Instead! Codewrinkles•60K views.11 Jun 2022 ... AutoMapper in C# is a library used to map data from one object to another. It acts as a mapper between two objects and transforms one object ...AutoMapper. A convention-based object-object mapper. AutoMapper uses a fluent configuration API to define an object-object mapping strategy. AutoMapper uses a convention-based matching algorithm to match up source to destination values. AutoMapper is geared towards model projection scenarios to flatten complex object models to DTOs and other ... Let’s discuss the step-by-step procedure to use AutoMapper in C #. Step 1: Installing AutoMapper Library in Your Project. AutoMapper is an open-source library present in GitHub. To install this library, open the Package Manager Console window. AutoMapper uses a fluent configuration API to define an object-object mapping strategy. AutoMapper uses a convention-based matching algorithm to match up source to destination values. AutoMapper is geared towards model projection scenarios to flatten complex object models to DTOs and other simple objects, whose design is better suited for ... 21 May 2021 ... Comments12 · Intro to MediatR - Implementing CQRS and Mediator Patterns · Don't Use AutoMapper in C#! Do THIS Instead! · Stop using the Htt...17 Oct 2019 ... C# Make the AutoMapper More Generic - Only ONE MapperConfiguration (Automapper Improved) ... What is C#? What is the difference between C# and .9 Apr 2021 ... Working with Automapper in ASP.NET Core Web API | ASP.NET Core Web ... Don't Use AutoMapper in C#! Do THIS Instead! Codewrinkles•61K views.A solution I've used is to create a closure around the original delegate, which wraps it in a try/catch block. It's unfortunately necessary to use Expression.Compile() to stop Visual Studio from catching the exception when it's thrown in the original delegate. Probably not recommended in high performance environments, but I've never had any issue using …An exception of type 'AutoMapper.AutoMapperMappingException' occurred in AutoMapper.dll but was not handled in user code. c#; asp.net-mvc; automapper; Share. Follow edited Feb 1, 2015 at 4:19. abatishchev. 99.1k 88 88 gold badges 299 299 silver badges 436 436 bronze badges.Neste vídeo eu ensino o que é e como utilizar o AutoMapper para mapeamento entre objetos em uma API com ASP.NET Core 6.Repositório: https: ...映射集合属性时，如果源值为 null，则 AutoMapper 会将目标字段映射为空集合，而不是 null。这与 Entity Framework 和 Framework Design Guidelines 的行为一致，认为 C＃ 引用，数组，List，Collection，Dictionary 和 IEnumerables 永远不应该为 null。 5.2 …Old question, but take a look at Mapster. It's a lot faster than AutoMapper (5-10X in the scenarios I've used it in) if performance is critical and supports most AutoMapper scenarios. Always remember to perf test as results vary by scenario. We've dropped a new 3.x version that works for .Net 4.0/4.5/Core, supports several new features, and has ...29 Oct 2023 ... Discover the Power of AutoMapper: Effortlessly Simplify Object-to-Object ... Role Based Authorization in Asp.Net Core using C sharp. Fired ...AutoMapper Exclude Fields. I'm trying to map one object to another but the object is quite complex. During development, I'd like the ability to either exclude a bunch of fields and get to them one by one or be able to specify to map only fields I want and increase that as each test succeeds. Now I'd like to map field1, test, fix and then move ...AutoMapper uses a fluent configuration API to define an object-object mapping strategy. AutoMapper uses a convention-based matching algorithm to match up source to destination values. AutoMapper is geared towards model projection scenarios to flatten complex object models to DTOs and other simple objects, whose design is better suited for ... AutoMapper uses a fluent configuration API to define an object-object mapping strategy. AutoMapper uses a convention-based matching algorithm to match up source to destination values. AutoMapper is geared towards model projection scenarios to flatten complex object models to DTOs and other simple objects, whose design is better suited for ... At least with recent Automapper versions (>2.0?) your code is okay if you remove the IList<>:s of your first CreateMap statement 1.And you don't have to create specific DTO classes as @Simon suggests in another answer (unless that's what you want). Can this be done in AutoMapper? I realize that I can easily map the Events list and get a list of EventDTO objects and then manually set the SystemId and UserId, it would just be very convenient to let AutoMapper handle it for me.AddMaps looks for fluent map configuration ( Profile classes) and attribute-based mappings. To declare an attribute map, decorate your destination type with the AutoMapAttribute: [AutoMap (typeof (Order))] public class OrderDto { // destination members. This is equivalent to a CreateMap<Order, OrderDto> () configuration.I am trying to write method in AutoMapper class. My situation is as below. ClinicListVm = AutoMapperConfig.mapper .Map<GetClinicsByUserName_Result, ClinicListViewModel>(c); I already map ClinicListViewModel with GetClinicsByUserName_Result now I want to manipulate one attribute my destination …With the help of AutoMapper, you can map your business objects to data transfer objects without having to write boilerplate code, which clears up the code in your application's source code. When your application requires a complicated mapping of incompatible types, you should utilize AutoMapper. Location. Abbottabad Pakistan.Queryable Extensions . When using an ORM such as NHibernate or Entity Framework with AutoMapper’s standard mapper.Map functions, you may notice that the ORM will query all the fields of all the objects within a graph when AutoMapper is attempting to map the results to a destination type.. If your ORM exposes IQueryable s, you can use AutoMapper’s …You can read more in the AutoMapper documentation for Lists and Arrays. Share. Follow edited Sep 11, 2018 at 1:19. Diego Rafael Souza. 5,303 3 3 gold badges 24 24 silver badges 63 63 bronze badges. answered Jan 17, 2012 at 18:07. Justin Niessner Justin Niessner.6. According to the AutoMapper Documentation, I should be able to create and use an instance of a Custom Type Converter using this: var dest = Mapper.Map<Source, Destination> (new Source { Value = 15 }, opt => opt.ConstructServicesUsing (childContainer.GetInstance)); I have the following source …AutoMapper is a C# library used for mapping data between objects in web development. It functions as an intermediary between two objects, converting one object ...Nov 28, 2023 · Configuration. We’ll explain the configuration for both .NET 5, and .NET 6 and above versions. After installing the required package, the next step is to configure the services. Let’s do it in the Startup.cs class: public void ConfigureServices(IServiceCollection services) {. services.AddAutoMapper(typeof(Startup)); So, I found that I can use the AutoMapper Condition option to specify that only null values in the destination class should be mapped. Mapper.CreateMap<Body, Body> () .ForAllMembers (opt => opt.Condition (dest => dest.DestinationValue == null)); Mapper.Map (completeObject, reliableObject); But ForAllMembers only applies to the …AutoMapper is a simple little library built to solve a deceptively complex problem - getting rid of code that mapped one object to another. This type of code is rather dreary …338 1 7. Add a comment. 1. You can't, but rather than initialize the Mappings from your Init method, you could get it to return a function that can be called inside a Mapper.Initialize () call. So, your Init method looks like this: public static Action<IMapperConfigurationExpression> Init() {. return (cfg) => {.I'm trying to map nested ICollection of one of my models to existing Dto, but I'm struggling to Map it properly with AutoMapper. Models: public class Ingredient : BaseEntity<long> { [MaxLength(100)] public string Name { get; set; } [ForeignKey("Id")] public int CustomerId { get; set; } public bool IsPackaging { get; set; } public virtual …Value Converters. Value converters are a cross between Type Converters and Value Resolvers. Type converters are globally scoped, so that any time you map from type Foo to type Bar in any mapping, the type converter will be used. Value converters are scoped to a single map, and receive the source and destination objects to resolve to a value to ... Nested Mappings. As the mapping engine executes the mapping, it can use one of a variety of methods to resolve a destination member value. One of these methods is to use another type map, where the source member type and destination member type are also configured in the mapping configuration. This allows us to not only flatten our source …7. The one benefit that AutoMapper claims is mapping-by-convention. Here is a quote from "AutoMapper Introduction and Samples". Herein lies the beauty of AutoMapper. When your classes align themselves conventionally, your mapping configuration can be as simple. This comes with a cost.public void ConfigureServices(IServiceCollection services) {. // ... services.AddSingleton<IUserManager, UserManager>(); } Then you can get a mapper instance inside a controller by injecting IMapper via a constructor. Based on: AutoMapper: Handling Profile Dependencies using Custom Value Resolvers - Tech Net.As you can see, this class extends Profile from AutoMapper namespace. Here you will create all the mapping you may need. This is the actual configuration for AutoMapperProfile we did above. // AutoMapperProfile.cs public class AutoMapperProfile : Profile { public AutoMapperProfile () { CreateMap<Test, TestDto> () .ForMember …Jun 1, 2021 · AutoMapper is a simple C# library that transforms one object type to another object type, which means, it’s a mapper between two objects. AutoMapper is the convention-based object to object mapper. It maps the properties of two different objects by transforming the input object of one type to the output object of another type. Jan 5, 2024 AutoMapper, a powerful tool for .NET developers who seek to transform complex data models effortlessly. In this post, we’ll embark on an exciting journey …var products = await _dbContext.Products.ProjectTo<ProductVM> (_mapper.ConfigurationProvider).Include (x => x.ProductCategory).ToListAsync (); With ProjectTo, you don't need Include, everything your mapping needs is fetched by default. This seems like the most convenient way.What is AutoMapper? AutoMapper is a simple little library built to solve a deceptively complex problem - getting rid of code that mapped one object to another. This type of code is rather dreary and boring to write, so why not invent a tool to do it for us? This is the main repository for AutoMapper, but there's more: Collection Extensions Setup ¶AutoMapper is a convention-based object-object mapper that simplifies the code for mapping complex types. This page explains how to install AutoMapper, how to create and use mapping profiles, and how to customize the mapping behavior. Learn how to setup AutoMapper and start mapping your objects with ease. But to be quite honest, even though I am using AutoMapper for already a few years I have never had a need to use mapping from multiple sources. In cases when for example I needed multiple business models in my single view model I simply embedded these models within the view model class. So in your case it would look like this:Just create a mapper for two Enums, that's it! Automapper will map by the either the matching value or index value of the Enum. (e.g. Draft -> Step1) public enum SourceStatus { Draft, Submitted, Deleted } public enum DestinationStatus { Step1, Step2, Step3 } public class SourceObj { public SourceStatus Status { get; set; } } public class ...I wouldn't write this into the mappings, I would create a class that contains an AutoMapper, and also contains a method that checks your ignore case before creating the new ObjectA. If you don't want to create a mapping while ObjectB has a certain property value, check for this value, and then creates an ObjectA or return null. ...In the latest versions of AutoMapper it's possible to register multiple Profile scanning one or more assemblies : Mapper.Initialize(x => x.AddProfiles(typeof(MyMappingProfile).Assembly)); Tested with AutoMapper …That's what I'm looking for on mapping a table from MySQL!', yet after I got the Nuget package and tried to use that line of code like this: List<Customer> c = AutoMapper.Mapper.DynamicMap<IDataReader, List<Customer>> (dt.CreateDataReader ()); After checking around on the 'net about it, I found out it's been taken out.a sample implementation would be as follows: Mapper.CreateMap<Game, GameViewModel> () .ForMember (m => m.GameType, opt => opt.MapFrom (src => src.Type)) We need to map this property since the names of the properties of Game and GameViewModel are different - if they are the same and of the same type then it will not …AutoMapper.Collection Adds ability to map collections to existing collections without re-creating the collection object. Will Add/Update/Delete items from a preexisting collection object based on user defined equivalency between the collection's generic item type from the source collection and the destination collection.映射集合属性时，如果源值为 null，则 AutoMapper 会将目标字段映射为空集合，而不是 null。这与 Entity Framework 和 Framework Design Guidelines 的行为一致，认为 C＃ 引用，数组，List，Collection，Dictionary 和 IEnumerables 永远不应该为 null。 5.2 …338 1 7. Add a comment. 1. You can't, but rather than initialize the Mappings from your Init method, you could get it to return a function that can be called inside a Mapper.Initialize () call. So, your Init method looks like this: public static Action<IMapperConfigurationExpression> Init() {. return (cfg) => {.I need to map these columns to the properties and return List Can this be accomplished using Automapper. c#.net; asp.net-mvc-4; automapper; Share. Follow edited May 23, 2017 at 12:24. Community Bot. 1 1 1 …2 Nov 2022 ... ... c/. Upvote 3. Downvote Reply reply. Share ... 0 AutoMapper.IMapper.Map(System.Object)'. And can't get answers online. Soooooooo...... I hate ...Jan 27, 2023. AutoMapper is a library in C# that allows mapping between objects of different types. It can be used to convert between different data structures, such as …Call this once and then the config is done. public static void RegisterMappings() AutoMapper.Mapper.Initialize(cfg => {. cfg.CreateMap<R_Logo, LogoDto>(); /* etc */. }); It's recommended to use the instance version of the mapper which allows you to configure several instances, but there is still a static mapper.In the latest versions of AutoMapper it's possible to register multiple Profile scanning one or more assemblies : Mapper.Initialize(x => x.AddProfiles(typeof(MyMappingProfile).Assembly)); Tested with AutoMapper …7. The one benefit that AutoMapper claims is mapping-by-convention. Here is a quote from "AutoMapper Introduction and Samples". Herein lies the beauty of AutoMapper. When your classes align themselves conventionally, your mapping configuration can be as simple. This comes with a cost.Projection transforms a source to a destination beyond flattening the object model. Without extra configuration, AutoMapper requires a flattened destination to match the source type’s naming structure. When you want to project source values into a destination that does not exactly match the source structure, you must specify custom member ... 28 Dec 2022 ... Don't use AutoMapper in C#. Seriously! It could affect your app's performance and looking at the way Automapper is usually configured, ...Jan 5, 2024 · Explore AutoMapper object mapping in C# .NET Core, with complex objects transformation. Learn profiles, custom mappings, custom resolvers, and unit testing. This is how you create MapperConfiguration with profiles. public static class MappingProfile { public static MapperConfiguration InitializeAutoMapper() { MapperConfiguration config = new MapperConfiguration(cfg => { cfg.AddProfile(new WebMappingProfile()); //mapping between Web and Business layer objects cfg.AddProfile(new BLProfile()); // mapping between …If you wish to use an instance method of IMapper, rather than the static method used in the accepted answer, you can do the following (tested in AutoMapper 6.2.2) cfg.CreateMap<Source, Destination>(); dest will now be updated with all the property values from src that it shared.In recent versions of AutoMapper, ResolveUsing was removed. Instead, use a new overload of MapFrom: Just adding another lambda/function parameter will dispatch to this new overload: CreateMap<TSource, TDest>() .ForMember(dest => dest.SomeDestProp, opt => opt.MapFrom((src, dest) =>. TSomeDestProp destinationValue;As of AutoMapper 8.0 and up. The answer below for 5.1.1 still applies, except that ResolveUsing has been renamed to MapFrom; the delegate signature remains the same.. As of AutoMapper 5.1.1. You can get to the mapper using the overload of ResolveUsing that accepts a delegate with four parameters, the last of which is …Jun 24, 2019 · 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 ... If you wish to use an instance method of IMapper, rather than the static method used in the accepted answer, you can do the following (tested in AutoMapper 6.2.2) cfg.CreateMap<Source, Destination>(); dest will now be updated with all the property values from src that it shared.What is AutoMapper? AutoMapper is a simple little library built to solve a deceptively complex problem - getting rid of code that mapped one object to another. This type of code is rather dreary and boring to write, so why not invent a tool to do it for us? This is the main repository for AutoMapper, but there's more: Collection Extensions 6 Feb 2020 ... 20- AutoMapper Configuration & Installation | ASP.NET MVC Project. 2.8K views · 4 years ago #بوصلة_أونلاين ...more ...11 Jun 2022 ... AutoMapper in C# is a library used to map data from one object to another. It acts as a mapper between two objects and transforms one object ...var products = await _dbContext.Products.ProjectTo<ProductVM> (_mapper.ConfigurationProvider).Include (x => x.ProductCategory).ToListAsync (); With ProjectTo, you don't need Include, everything your mapping needs is fetched by default. This seems like the most convenient way.Jan 14, 2024 · 3–1. AutoMapper. AutoMapper is a library designed for object-to-object mapping based on specifications and rules. For example, using AutoMapper to reduce and standardize code, such as persisting ... 26 Nov 2021 ... Where UserModel is a class in Business Layer and User is the class in Data Access Layer. In the next step we will configure the AutoMapper ...AutoMapper. A convention-based object-object mapper. AutoMapper uses a fluent configuration API to define an object-object mapping strategy. AutoMapper uses a convention-based matching algorithm to match up source to destination values. AutoMapper is geared towards model projection scenarios to flatten complex object models to DTOs and other ... Feb 23, 2023 · AutoMapper in C# is a library used to map data from one object to another in web development. It acts as a mapper between two objects and transforms one object type into another. It converts the input object of one type to the output object of another type until the latter type follows or maintains the conventions of AutoMapper. AutoMapper is a simple C# library that transforms one object type to another object type, which means, it’s a mapper between two objects. AutoMapper is the convention-based object to object mapper. It maps the properties of two different objects by transforming the input object of one type to the output object of another type.Using AutoMapper to prevent SELECT N+1 problems. 3 April, 2014. It was a Thursday ... Select(c => c.Department)) .OrderBy(i => i.LastName);. if (id != null).
Install AutoMapper extension for DI via NuGet or by dotnet add package AutoMapper.Extensions.Microsoft.DependencyInjection. Then in the Program.cs file register the service with: builder.Services.AddAutoMapper (typeof (<name-of-profile>)); (In .NET 6 we no longer have the StartUp.cs) I used Profiles to do my mapping configuration.. Dr horrible's sing along
Take the course C# Automapper: Code Smart and move to clean and decoupled code. Who this course is for: C# programmers interested in clean code and new programming techniques. Show more Show less. Instructor. Radim Motycka. Senior .Net Developer. 3.7 Instructor Rating. 377 Reviews. 12,324 Students.3–1. AutoMapper. AutoMapper is a library designed for object-to-object mapping based on specifications and rules. For example, using AutoMapper to reduce and standardize code, such as persisting ...Just create a mapper for two Enums, that's it! Automapper will map by the either the matching value or index value of the Enum. (e.g. Draft -> Step1) public enum SourceStatus { Draft, Submitted, Deleted } public enum DestinationStatus { Step1, Step2, Step3 } public class SourceObj { public SourceStatus Status { get; set; } } public class ...I wouldn't write this into the mappings, I would create a class that contains an AutoMapper, and also contains a method that checks your ignore case before creating the new ObjectA. If you don't want to create a mapping while ObjectB has a certain property value, check for this value, and then creates an ObjectA or return null. ...In previous projects using AutoMapper 4, I had used IsSourceValueNull to achieve the same behavior. I made a small change to the original solution. Instead of checking the type of the property to be mapped, I set the filter in ForAllPropertyMaps to check the type of the source object, so that the custom resolver only applies to maps …AutoMapper in C# is a library used to map data from one object to another in web development. It acts as a mapper between two objects and transforms one object …Projection transforms a source to a destination beyond flattening the object model. Without extra configuration, AutoMapper requires a flattened destination to match the source type’s naming structure. When you want to project source values into a destination that does not exactly match the source structure, you must specify custom member ... You only need one MapperConfiguration instance typically per AppDomain and should be instantiated during startup. More examples of initial setup can be seen in Setup. var config = new MapperConfiguration(cfg => cfg.CreateMap<Order, OrderDto>()); The type on the left is the source type, and the type on the right is the destination type. AutoMapper.Collection adds EqualityComparison Expressions for TypeMaps to determine if Source and Destination type are equivalent to each other when mapping collections. 19.1M: IdentityServer4.EntityFramework.Storage EntityFramework persistence layer for IdentityServer4. 18.0M: AutoMapper.Extensions.ExpressionMapping ...If you wish to use an instance method of IMapper, rather than the static method used in the accepted answer, you can do the following (tested in AutoMapper 6.2.2) cfg.CreateMap<Source, Destination>(); dest will now be updated with all the property values from src that it shared.AutoMapper. AutoMapper is a popular open-source O2O mapper for .NET that uses reflection-based mapping. AutoMapper is highly configurable and can be used with LINQ to project objects, ...10 May 2020 ... What is AutoMapper and using it in a Blazor application, ASP.NET Core Web API, or ASP ... Don't Use AutoMapper in C#! Do THIS Instead!I'm new to AutoMapper, and trying convert object to bigger (means more fields) object. I'm looking for a way to set default value for all destination's string fields. Currently couldn't find a way to define general condition for all string fields. Assume:Example to Understand AutoMapper Reverse Mapping in C#. Let us understand AutoMapper Reverse Mapping in C# with an example. We are going to use the following three classes for this demo. First, create a class file with the name Customer.cs and then copy and paste the following code into it. This is a very simple class having 4 primitive …See this web page with the v13 upgrade instructions.. Most importantly: AddAutoMapper is part of the core package and the DI package is discontinued. …That's what I'm looking for on mapping a table from MySQL!', yet after I got the Nuget package and tried to use that line of code like this: List<Customer> c = AutoMapper.Mapper.DynamicMap<IDataReader, List<Customer>> (dt.CreateDataReader ()); After checking around on the 'net about it, I found out it's been taken out.Neste vídeo eu ensino o que é e como utilizar o AutoMapper para mapeamento entre objetos em uma API com ASP.NET Core 6.Repositório: https: ....