Get exception: InvalidOperationException: Unable to resolve service for type Booking.Repositories.DriverRepository [duplicate]

Question

I know that I need to register the DriverRepository service before using it.

Here is what I did:

builder.Services.AddScoped<IDriverRepository, DriverRepository>();

Now in my DriverAccountsModel class:

public class DriverAccountsModel : PageModel
{
    public IHttpContextAccessor HttpContextAccessor { get; }
    public IDriverRepository DriverRepository { get; }

    public DriverAccountsModel(IHttpContextAccessor 
        httpContextAccessor,
        DriverRepository driverRepository)
    {
        HttpContextAccessor = httpContextAccessor;
        DriverRepository = driverRepository;
    }
    public List<DriverAccounts> results;
    public IActionResult OnGet()
    {
        var results = DriverRepository.GetAll();

        return Redirect("DriverAccounts");
    }

    public IActionResult OnPost(int id, Models.DriverAccounts driverAccounts)
    {
        return Redirect("DriverAccounts");
    }
}

Ehsan Sajjad · Accepted Answer · 2022-09-02 09:25:52Z

5

The constructor should retrieve the IDriverRepository (interface) service but not the DriverRepository (class).

public DriverAccountsModel(
    IHttpContextAccessor httpContextAccessor,
    IDriverRepository driverRepository)
{
    HttpContextAccessor = httpContextAccessor;
    DriverRepository = driverRepository;
}

edited Sep 2, 2022 at 9:25

Ehsan Sajjad

62.6k16 gold badges112 silver badges171 bronze badges

answered Sep 2, 2022 at 8:48

Yong Shun

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