using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        var department1 = new Department { Id = 1, Name = "Foo" };

        var department2 = new Department { Id = 2, Name = "Bar" };

        var employeeRepository = new List<Employee>

        {

            new Employee

            {

                Id = 1,

                Name = "John",

                Address = "Lorem Ipsum",

                Department = department1,

                DepartmentId = department1.Id

            },

            new Employee

            {

                Id = 2,

                Name = "Bill",

                Address = "Lorem Ipsum 22",

                Department = department2,

                DepartmentId = department2.Id

            }

        };

        var result = employeeRepository.Select(e => new EmployeeWithDepartmentDto { EmployeeName = e.Name, EmployeeAddress = e.Address, DepartmentName = e.Department.Name });

        foreach (var employeeWithDepartmentDto in result)

        {

            Console.WriteLine($"Name: {employeeWithDepartmentDto.EmployeeName}, Address: {employeeWithDepartmentDto.EmployeeAddress}, Department: {employeeWithDepartmentDto.DepartmentName}");

        }

    }

    public class EmployeeWithDepartmentDto

    {

        public string EmployeeName { get; set; }

        public string EmployeeAddress { get; set; }

        public string DepartmentName { get; set; }

    }

​

    public class Employee

    {

        public int Id { get; set; }

        public string Name { get; set; }

        public string Address { get; set; }

        public int DepartmentId { get; set; }

        public virtual Department Department { get; set; }

​

    }

​

    public class Department

    {

        public int Id { get; set; }

        public string Name { get; set; }

    }

}