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Can we inject the service dependency in the controller ?

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ASP.NET Core

Can we inject the service dependency in the controller ?

Naresh Beniwal

Naresh Beniwal

4yAsked Aug 19, 2022, 10:29 AM1.3kASP.NET Core

Can we inject the service dependency in the controller ?

2 Replies

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Vishal Yelve4y ago
Accepted answer
Hi Naresh,

You need to inject services in the constructor of the controller
public class
  UserController : ControllerBase
    {
        private readonly IUserRepository _userRepository;
        private readonly IMapper _mapper;
        public UserController(IUserRepository userRepository, IMapper mapper)
        {
            _userRepository = userRepository ?? throw new ArgumentNullException(nameof(userRepository));
            _mapper = mapper ?? throw new ArgumentNullException(nameof(mapper));
        }

        [HttpGet]
        public async Task AllUsers()
        {
            var users = await _userRepository.GetAllUsers();
            if (users == null)
            {
                return NotFound(new NotFoundResponse("No Users Found"));
            }
            var model = _mapper.Map>(users);
            return Ok(model);
        }

}
+3
Jaydeep Patil4y ago
Hello Naresh,

Read my blog related to dependency injection and ways to inject it

https://www.c-sharpcorner.com/blogs/dependency-injection-using-net-core-api
0