asp.net-mvc-3 C 如何在页面提交ASP.Net MVC时捕获哪个单选按钮

发布时间：2023-12-16 16:39:36 所属栏目：asp.Net 来源：DaWei

导读： 这是我的代码,显示我的模型中的两个单选按钮.主要的问题是,当我提交表单时,模型性属性变为null,因为我在表单提交之前选择了一个单选按钮.请帮我找出问题所在.

模特课

public clas

这是我的代码,显示我的模型中的两个单选按钮.主要的问题是,当我提交表单时,模型性属性变为null,因为我在表单提交之前选择了一个单选按钮.请帮我找出问题所在.

模特课

public class StudentModel { [Required(ErrorMessage = "First Name Required")] // textboxes will show [Display(Name = "First Name :")] [StringLength(5,ErrorMessage = "First Name cannot be longer than 5 characters.")] public string FirstName { get; set; } [Required(ErrorMessage = "Last Name Required")] // textboxes will show [Display(Name = "Last Name :")] [StringLength(5,ErrorMessage = "Last Name cannot be longer than 5 characters.")] public string LastName { get; set; } [Required(ErrorMessage = "Sex Required")] [Display(Name = "Sex :")] public int SexID { get; set; } public List<Sex> Sex { get; set; } } public class Sex { public string ID { get; set; } public string Type { get; set; } }

控制器类

public class HomeController : Controller { [HttpGet] public ActionResult Index() { ViewBag.Message = "Welcome to ASP.NET MVC!"; var student = new StudentModel { FirstName = "Rion",LastName = "Gomes",//I think the best way to populate this list is to call a service here. Sex = new List<Sex> { new Sex{ID="1",Type = "Male"},new Sex{ID="2",Type = "Female"} } }; return View(student ); } [HttpPost] public ActionResult Index(StudentModel model) { if (ModelState.IsValid) { //TODO: Save your model and redirect } //Call the same service to initialize your model again (cause we didn't post the list of sexs) return View(model); } }

查看代码

@model MvcRadioButton.Models.StudentModel @Html.BeginForm() { <div> @Html.LabelFor(model => model.FirstName) @Html.EditorFor(model => model.FirstName) @Html.ValidationMessageFor(model => model.FirstName) </div> <div> @Html.LabelFor(model => model.LastName) @Html.EditorFor(model => model.LastName) @Html.ValidationMessageFor(model => model.LastName) </div> @{ foreach (var sex in Model.Sex) { <div> @Html.RadioButtonFor(model => model.Sex,new { id = "sex" + sex.ID }) @Html.Label("sex" + sex.ID,sex.Type) </div> } } <input type="submit" value="Submit" /> }

如果可能请运行我的代码并告诉我如何实现我的目标,如果有人认为这种情况可以更好地处理只需更改代码然后请告诉我,因为我是MVC的新手.

解决方法视图模型 public class StudentModel { //properties public bool Sex { get; set; } }

视图

@using (Html.BeginForm()) { @Html.RadioButtonFor(model => model.Sex,"false",new { id = "male" }) @Html.Label("male","Male") @Html.RadioButtonFor(model => model.Sex,"true",new { id = "female" }) @Html.Label("female","Female") <button type="submit">OK</button> }

调节器

[HttpPost] public ActionResult Index(StudentModel model) { //you can modify "model" however you want here return Content("Sex: " + model.Sex); }

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