public IEnumerable <EmployeeDto> GetEmployeeList()
    {
        List <EmployeeDto> employees = new EmployeeRepo().GetEmployees().Select(e => e.ToDto()).ToList();

        employees.AddRange(employees);
        employees.AddRange(employees);
        employees.AddRange(employees);

        //if (this.department == "Management")
        //    employees = this.management;
        //if (this.department == "Financial")
        //    employees = this.financial;
        //if (this.department == "Sales")
        //    employees = this.sales;
        foreach (var employee in employees)
        {
            yield return(employee);
        }
    }