How do you inject AutoMapper?
How to using AutoMapper on ASP.NET Core 3.0 via Dependency Injection
- Install AutoMapper extension from Package Manager in your project.
- Register a service in CinfigureServices on Startup.cs.
- Create a model and a data transfer object.
- Create an AutoMapping class file to register a mapping relation.
What is AutoMapper profile?
automapper Profiles Basic Profile Profiles permit the programmer to organize maps into classes, enhancing code readability and maintainability. Any number of profiles can be created, and added to one or more configurations as needed. Profiles can be used with both the static and instance-based APIs.
Is AutoMapper a singleton?
Your configuration (e.g. Automapper Profiles) are singletons. That is, they are only ever loaded once when your project runs.
Does AutoMapper use constructor?
In some use case you are forced to have classes that has constructor with parameters. In fact, you can have a private parameterless constructor for Entity Framework (EF) and force the use of a public constructor with parameters when using in your code. …
What is AutoMapper in asp net core?
AutoMapper is a simple library that helps us to transform one object type to another. It is a convention-based object-to-object mapper that requires very little configuration. The object-to-object mapping works by transforming an input object of one type into an output object of a different type.
What is AutoMapper in ASP NET MVC?
AutoMapper is an object-object mapper that allows you to solve the problem of manually mapping each property of a class with the same properties of another class. Before AutoMapper was introduced if we wanted to assign one object property to another object property then we were following a long procedure.
What is reverse map in AutoMapper?
The Automapper Reverse Mapping is nothing but the two-way mapping which is also called as bidirectional mapping. As of now, the mapping we discussed are one directional means if we have two types let’s say Type A and Type B, then we Map Type A with Type B.
How does AutoMapper work internally?
AutoMapper internally uses a great concept of programming called Reflection. Reflection in C# is used to retrieve metadata on types at runtime. With the help of Reflection, we can dynamically get a type of existing objects and invoke its methods or access its fields and properties.
When should I use AutoMapper?
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.
What is automapper in Entity Framework?
Using Automapper to improve performance of Entity Framework Entity Framework is an ORM technology widely used in the.NET world. It’s very convenient to use and lets you forget about SQL… well, at least until you hit performance issues.
How to configure automapper in servicelocator?
First define the configuration using profiles. And then you let AutoMapper know in what assemblies those profiles are defined by registering AutoMapper in the ServiceLocator at startup: Now you can inject AutoMapper at runtime into your services/controllers:
How to construct custom value resolvers and value converters in automapper?
AutoMapper supports the ability to construct Custom Value Resolvers, Custom Type Converters, and Value Converters using static service location: var configuration = new MapperConfiguration(cfg => { cfg.ConstructServicesUsing(ObjectFactory.GetInstance); cfg.CreateMap (); });
What is the use of dependency injection in automapper?
Dependency Injection ¶ AutoMapper supports the ability to construct Custom Value Resolvers, Custom Type Converters, and Value Converters using static service location: var configuration = new MapperConfiguration(cfg => { cfg.ConstructServicesUsing(ObjectFactory.GetInstance); cfg.CreateMap (); });