Asp.Net Core Web API - Error CS0747 Invalid initializer member declarator

Question

I have this code in ASP.NET Core Web API:

DTO:

public class AuthRequest
{
    public string Email { get; set; }
    public string Password { get; set; }
}

public class AuthResponse
{
    public string Id { get; set; }
    public string UserName { get; set; }
    public string Email { get; set; }
    public string Token { get; set; }
}

Services:

public interface IAuthService
{
    Task<AuthResponse> Login(AuthRequest request);
}

public async Task<AuthResponse> Login(AuthRequest request)
{
    var user = await _userManager.FindByEmailAsync(request.Email);

    if (user == null)
    {
        throw new Exception($"User with {request.Email} not found.");
    }

    var result = await _signInManager.PasswordSignInAsync(user.UserName, request.Password, false, lockoutOnFailure: false);

    if (!result.Succeeded)
    {
        throw new Exception($"Credentials for '{request.Email} aren't valid'.");
    }

    JwtSecurityToken jwtSecurityToken = await GenerateToken(user);
    var roles = await _userManager.GetRolesAsync(user);

    AuthResponse response = new AuthResponse
    {
        Id = user.Id,
        Token = new JwtSecurityTokenHandler().WriteToken(jwtSecurityToken),
        Email = user.Email,
        UserName = user.UserName,
        roles,
    };

    return response;
}

From the code above, I want to include roles of the logged in user in the AuthResponse. So I added, roles

But I got this error:

Error CS0747 Invalid initializer member declarator

roles is highlighted.

How do I resolve this?

Thanks

I'm not sure to understand... did you added the Roles property in the AuthResponse model class? — Fabio Cavallari
– Fabio Cavallari, Commented Mar 23, 2022 at 13:35

David · Accepted Answer · 2022-03-23 13:32:50Z

2

Notice how this property initialization:

roles,

differs from the rest:

Id = user.Id,
Token = new JwtSecurityTokenHandler().WriteToken(jwtSecurityToken),
Email = user.Email,
UserName = user.UserName,

You need to specify which property is being set. For example, is there a Roles property (which matches the type)? If so, it would be something like this:

Roles = roles,

Basically, whatever property you're trying to initialize in the resulting object, you need to indicate the name of that property in its initialization.

answered Mar 23, 2022 at 13:32

David

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