.NET Fiddle

CSharp · Mvc

Model

using System;
using System.ComponentModel.DataAnnotations;

namespace HelloWorldMvcApp
{
	public class Cidades
	{
		public int id { get; set; }

		public string nome { get; set; }
	}
}

View

@model HelloWorldMvcApp.Cidades
@{
	Layout = null;
}

<!DOCTYPE html>
<!-- template from http://getbootstrap.com/getting-started -->

<html lang="en">
	<head>
		<meta charset="utf-8">
		<meta http-equiv="X-UA-Compatible" content="IE=edge">
		<meta name="viewport" content="width=device-width, initial-scale=1">
		<title>Bootstrap 101 Template</title>

		<!-- CSS Includes -->
		<link rel="stylesheet" href="//netdna.bootstrapcdn.com/bootstrap/3.1.1/css/bootstrap.min.css">
		
		<style type="text/css">

			.field-validation-error {
				color: #ff0000;
			}

		</style>
	</head>
	
	<body>
		<div class="container">
			@Html.DropDownList("Id", (SelectList)ViewBag.ViewCidade, "- Selecione -", new { @class = "form-control" })
		</div>

		<!-- JS includes -->
		<script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.0/jquery.min.js"></script>
		<script src="//netdna.bootstrapcdn.com/bootstrap/3.1.1/js/bootstrap.min.js"></script>
	
		<script src="//ajax.aspnetcdn.com/ajax/jquery.validate/1.11.1/jquery.validate.min.js"></script>
		<script src="//ajax.aspnetcdn.com/ajax/mvc/4.0/jquery.validate.unobtrusive.min.js"></script>
		
		<script type="text/javascript">
		
			

		</script>
	</body>
</html>

Controller

using System;
using System.Web.Mvc;
using System.Collections.Generic;
using System.Linq;
namespace HelloWorldMvcApp
{
	public class HomeController : Controller
	{
		
		public ActionResult Index()
		{
			var cidade = new Cidades()
			{
				id = 1,
				nome = "São Paulo"
			};
			
			var  cidades = new List<Cidades>();
			cidades.Add(cidade);
			
		    ViewBag.ViewCidade = new SelectList(cidades, "id", "nome");
			
			return View(new Cidades());
		}
		
		
	}
}