public interface IEmployeeService
    {
        int CreateEmployee(CreateEmployeeDto data);
        IEnumerable<EmployeeListDto> GetEmployeeList();

    }
 public class EmployeeService : IEmployeeService
    {
}

[AbpMvcAuthorize]
    public class EmployeeController : HRISControllerBase
    {


        private readonly IEmployeeService _employeeService;

        public EmployeeController(
            IEmployeeService employeeService
           )
        {

            _employeeService = employeeService;
        }

        public ActionResult Index()
        {
            return View();
        }
}

public void ConfigureServices(IServiceCollection services)
{
    services.AddTransient<IEmployeeService, EmployeeService>();
}