我有一个ViewModel,里面包含一个Model和一些额外的属性。对于Model和属性都有验证,但是在执行时,只会检查Model上的验证,而忽略了属性上的验证。
Model:
视图模型
控制器
如果我提交表单时将密码字段留空,它会让我通过。如果我将客户字段留空,则会显示错误(除了密码字段)。
Model:
[MetadataType(typeof(Customer_Validation))]
public partial class Customer
{
}
public class Customer_Validation
{
[Required(ErrorMessage="Please enter your First Name")]
public string FirstName { get; set; }
[Required(ErrorMessage = "Please enter your Last name")]
public string LastName { get; set; }
[Required(ErrorMessage = "Sorry, e-mail cannot be empty")]
[Email(ErrorMessage="Invalid e-mail")]
public string Email { get; set; }
}
视图模型
public class RegisterViewModel
{
public Customer NewCustomer { get; private set; }
[Required(ErrorMessage="Required")]
public string Password { get; private set; }
public RegisterViewModel(Customer customer, string password)
{
NewCustomer = customer;
Password = password;
}
}
控制器
public ActionResult Create()
{
Customer customer = new Customer();
RegisterViewModel model = new RegisterViewModel(customer, "");
return View(model);
}
[HttpPost]
public ActionResult Create(Customer newCustomer, string password)
{
if (ModelState.IsValid)
{
try
{
// code to save to database, redirect to other page
}
catch
{
RegisterViewModel model = new RegisterViewModel(newCustomer, password);
return View(model);
}
}
else
{
RegisterViewModel model = new RegisterViewModel(newCustomer, password);
return View(model);
}
}
视图(View)
@using (Html.BeginForm())
{
<table>
<tr>
<td>First Name:</td>
<td>@Html.TextBoxFor(m => m.NewCustomer.FirstName)</td>
<td>@Html.ValidationMessageFor(m => m.NewCustomer.FirstName)</td>
</tr>
<tr>
<td>Last Name:</td>
<td>@Html.TextBoxFor(m => m.NewCustomer.LastName)</td>
<td>@Html.ValidationMessageFor(m => m.NewCustomer.LastName)</td>
</tr>
<tr>
<td>E-mail:</td>
<td>@Html.TextBoxFor(m => m.NewCustomer.Email)</td>
<td>@Html.ValidationMessageFor(m => m.NewCustomer.Email)</td>
</tr>
<tr>
<td>Password:</td>
<td>@Html.TextBoxFor(m => m.Password)</td>
<td>@Html.ValidationMessageFor(m => m.Password)</td>
</tr>
</table>
<input type="submit" value="Register" />
}
如果我提交表单时将密码字段留空,它会让我通过。如果我将客户字段留空,则会显示错误(除了密码字段)。
<form>
,并在其中放置与将要传递的ViewModel属性对应的文本字段。请记住,只有请求中发送的内容才会绑定到ViewModel。 - Darin Dimitrov