我希望客户端验证与服务器端验证一样好.我意识到这一点如下:
型号:(该模型有一个包含Test类的DataModel(dbml))
namespace MyProject.TestProject
{
[MetadataType(typeof(TestMetaData))]
public partial class Test
{
}
public class TestMetaData
{
[Required(ErrorMessage="Please enter a name.")]
[StringLength(50)]
public string Name { get; set; }
}
}
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控制器没什么特别的.
风景:
<% Html.EnableClientValidation(); %>
<% using (Ajax.BeginForm("Index", "Test", FormMethod.Post,
new AjaxOptions {}, new { enctype = "multipart/form-data" }))
{%>
<%= Html.AntiForgeryToken()%>
<fieldset>
<legend>Widget Omschrijving</legend>
<div>
<%= Html.LabelFor(Model => Model.Name) %>
<%= Html.TextBoxFor(Model => Model.Name) %>
<%= Html.ValidationMessageFor(Model => Model.Name) %>
</div>
</fieldset>
<div>
<input type="submit" value="Save" />
</div>
<% …Run Code Online (Sandbox Code Playgroud) validation client-side-validation data-annotations asp.net-mvc-2
我有一个控制器有两个简单的方法:
UserController方法:
[AcceptVerbs(HttpVerbs.Get)]
public ActionResult Details(string id)
{
User user = UserRepo.UserByID(id);
return View(user);
}
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult Details(User user)
{
return View(user);
}
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然后有一个简单的视图来显示细节:
<% using (Html.BeginForm("Details", "User", FormMethod.Post))
{%>
<fieldset>
<legend>Userinfo</legend>
<%= Html.EditorFor(m => m.Name, "LabelTextBoxValidation")%>
<%= Html.EditorFor(m => m.Email, "LabelTextBoxValidation")%>
<%= Html.EditorFor(m => m.Telephone, "LabelTextBoxValidation")%>
</fieldset>
<input type="submit" id="btnChange" value="Change" />
<% } %>
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如您所见,我使用编辑器模板"LabelTextBoxValidation":
<%@ Control Language="C#" Inherits="System.Web.Mvc.ViewUserControl<string>" %>
<%= Html.Label("") %>
<%= Html.TextBox(Model,Model)%>
<%= Html.ValidationMessage("")%>
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显示用户信息没问题.该视图呈现完美的用户详细信息.当我提交表单时,对象用户将丢失.我调试了行"return View(User);" 在Post Details方法中,用户对象填充了可空值.如果我不使用编辑器模板,则用户对象将填充正确的数据.因此编辑器模板必定存在问题,但无法弄清楚它是什么.建议?