ControllerBuilder.Current.SetControllerFactory(new InjectControllerFactory());

//定义的HTML HELPER模板方法：
@model MvcApplication1.Models.Role@Html.DropDownListFor(m => m, new SelectList(Enum.GetNames(Model.GetType()), Model.ToString()))//View中使用：
@model MvcApplication1.Models.User@Html.EditorFor(m => m.Role)

    <appSettings> <add key="UnobtrusiveJavaScriptEnabled" value="true" /> </appSettings> 

    <script src="~/Scripts/jquery-1.8.2.min.js"></script><script src="~/Scripts/jquery.unobtrusive-ajax.min.js"></script>

        public ActionResult Ajax(){return View();}public ActionResult GetPersons(string selectedRole){IEnumerable<Person> persons = new[]{new Person(){FirstName="z", LastName="x",Role=Role.User},new Person(){FirstName="z1", LastName="x",Role=Role.Admin},new Person(){FirstName="z2", LastName="x",Role=Role.User},new Person(){FirstName="z3", LastName="x",Role=Role.Admin},new Person(){FirstName="z4", LastName="x",Role=Role.User}};if (selectedRole != "All"){persons = persons.Where(p => Enum.GetName(typeof(Role), p.Role) == selectedRole);}return PartialView(persons);}

//主视图Ajax<h2>Ajax</h2><script src="@Url.Content("~/Scripts/jquery-1.4.4.min.js")" type="text/javascript"></script>
<script src="@Url.Content("~/Scripts/jquery.unobtrusive-ajax.min.js")" type="text/javascript"></script><table><tbody id="result"></tbody>
</table>@using (Ajax.BeginForm("GetPersons", new AjaxOptions() { UpdateTargetId = "result" }))
{<div>@Html.DropDownList("selectedRole", new SelectList(new[] { "All" }.Concat(Enum.GetNames(typeof(MvcApplication1.Models.Role)))))<button type="submit">Submit</button></div>
}//分部视图：GetPersons
@model IEnumerable<MvcApplication1.Models.Person>@foreach (var p in Model)
{<tr><td>@p.FirstName</td><td>@p.LastName</td><td>@p.Role</td></tr>
}

//MODEL
public class Person { public int PersonId { get; set; } public string FirstName { get; set; } public string LastName { get; set; } public Address HomeAddress { get; set; }
}
public class Address { public string City { get; set; } public string Country { get; set; }
}//VIEW
@Html.EditorFor(m=> m.HomeAddress.Country)
//或<input id="HomeAddress_Country" name="HomeAddress.Country" type="text" value="" />

//可索引类型的在VIEW写法
@Html.Editor("[" + i + "].Country")
//或
@Html.EditorFor(m => m[i].Country)
//或
<input   name="[0].Country" type="text" value="" />

        public ActionResult Index([ModelBinder(typeof(CustomerModelBinder))]Person p){return View();}

        public ActionResult UpdatePerson(Person p){if (string.IsNullOrEmpty(p.FirstName)){ModelState.AddModelError("FirstName", "FirstName is not allow null!");}if (string.IsNullOrEmpty(p.LastName)){ModelState.AddModelError("LastName", "LastName is not allow null!");}if (ModelState.IsValid){ //执行更新}return View();}

    public class Person{[Range(1,int.MaxValue)]public int PersonId { get; set; }[Required(ErrorMessage="请输入姓")]public string FirstName { get; set; }[Required(ErrorMessage = "请输入名")]public string LastName { get; set; }[Required(ErrorMessage = "请完整输入地址")]public Address HomeAddress { get; set; }public Role Role { get; set; }}

    public class MailAttribute:ValidationAttribute{public override bool IsValid(object value){if(value==null) return false;var regex = new System.Text.RegularExpressions.Regex(@"^[a-zA-Z0-9_-]+@[a-zA-Z0-9_-]+(\.[a-zA-Z0-9_-]+)+$", System.Text.RegularExpressions.RegexOptions.IgnoreCase);return regex.IsMatch(value.ToString());}}//MODEL的某个属性设置：[Mail(ErrorMessage="不是有效的电子邮箱地址")]public string EMail { get; set; }

    public class Computer:IValidatableObject{public string CPU { get; set; }public string MB { get; set; }public string MEM { get; set; }public string HDD { get; set; }public string Power { get; set; }public IEnumerable<ValidationResult> Validate(ValidationContext validationContext){var errors=new List<ValidationResult>();if (string.IsNullOrEmpty(CPU)){errors.Add(new ValidationResult("CPU is not allow null!"));}if (string.IsNullOrEmpty(MB)){errors.Add(new ValidationResult("MB is not allow null!"));}if (string.IsNullOrEmpty(MEM)){errors.Add(new ValidationResult("MEM is not allow null!"));}if (string.IsNullOrEmpty(Power)){errors.Add(new ValidationResult("Power is not allow null!"));}return errors;}}