InvalidOperationException: Unable to resolve service for type 'Microsoft.AspNetCore.Identity.UserManager code example
Example 1: System.InvalidOperationException: Unable to resolve service for type 'Microsoft.Extensions.Logging.ILogger`1
public void ConfigureServices(IServiceCollection services)
{
var serviceProvider = services.BuildServiceProvider();
var logger = serviceProvider.GetService<ILogger<AnyClass>>();
services.AddSingleton(typeof(ILogger), logger);
...
}
Example 2: Unable to resolve service for type 'Microsoft.AspNetCore.Identity.UserManager
services.AddIdentity<Automobile.Models.Account, IdentityRole>(options =>
{
options.User.RequireUniqueEmail = false;
})
.AddEntityFrameworkStores<Providers.Database.EFProvider.DataContext>()
.AddDefaultTokenProviders();
Example 3: Unable to resolve service for type 'Microsoft.AspNetCore.Identity.RoleManager`1[Microsoft.AspNetCore.Identity.IdentityRole]' while attempting to activate 'PathApp.Controllers.SearchPathController'.
services.AddDefaultIdentity<ApplicationUser().AddRoles<IdentityRole>().AddEntityFrameworkStores<ApplicationDbContext>();