using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;

namespace InclusiveClass.Controllers
{
    public class HomeController : Controller
    {
        [HttpGet]
        public ActionResult Index()
        {
            List<City> cityList = new List<City>();
            cityList.Add(new City { Id=1, Name="Псков"});
            cityList.Add(new City { Id=2, Name="Москва"});
            cityList.Add(new City { Id=3, Name="Саратов"});
            cityList.Add(new City { Id=4, Name="Вологда"});

            CityListClass mod = new Controllers.CityListClass();
            mod.CityList = cityList;
            return View(mod);
        }

        [HttpPost]
        //public ActionResult Index1(CityListClass mod)     // Пусто! Что поставить???
        public ActionResult Index1(int? Id)                 // Пусто!   Что поставить???
        {
            return View("Index", "Пока неважно 123");
        }
    }

    public class City
    {
        public int Id { get; set; }
        public string Name { get; set; }
    }

    public class CityListClass
    {
        public List<City> CityList { get; set; }
    }
}

@model InclusiveClass.Controllers.CityListClass

@{
    ViewBag.Title = "Index";
}

<div class="container">
    <h2>Комплексный класс</h2>
    @using (Html.BeginForm("Index1", "Home", FormMethod.Post))
    {
        <div>@Html.DropDownListFor(mod => mod.CityList, new SelectList(@Model.CityList, "Id", "Name"))</div>
        <input type="submit" value="Сохранить" style="margin-top: 5px;" />

    }
</div>

[HttpPost]
public ActionResult Index1(int? Id)
{
   .................................
   return View(....);
}

    public class CityListClass
    {
        public int Id { get; set; }     // Приём выбранного элемента списка
        public List<City> CityList { get; set; }
    }

@model InclusiveClass.Controllers.CityListClass

@{
    ViewBag.Title = "Index";
}

<div class="container">
    <h2>Комплексный класс</h2>
    @using (Html.BeginForm("Index1", "Home", FormMethod.Post))
    {
        <div>@Html.DropDownListFor(mod => mod.Id, new SelectList(@Model.CityList, "Id", "Name"))</div>
        <input type="submit" value="Сохранить" style="margin-top: 5px;" />

    }
</div>