我似乎无法获得选择列表的值来填充父对象的值。 我正在使用一个包装器对象进行绑定,以便我可以访问SelectList所需的值以及需要该值的对象。 我愿意赌我错过了一些基本的东西,但我找不到它。使用NHibernate和ASP.Net查找列表MVC
我有这些模型:
public class Status
{
public virtual int Id { get; protected set; }
public virtual string Name { get; set; }
public virtual bool IsClosed { get; set; }
public override string ToString()
{
return Name;
}
}
public class Issue
{
public virtual int Id { get; protected set; }
public virtual string Title { get; set; }
public virtual string Description { get; set; }
public virtual Status Status { get; set; }
public virtual DateTime CreatedOn { get; set; }
public virtual DateTime UpdatedOn { get; set; }
}
而一个FormViewModel(从的NerdDinner示例)包含以下状态
public class IssueFormViewModel
{
public Issue Issue { get; set; }
public SelectList Statuses { get; set; }
public IssueFormViewModel(Issue issue, IList<Status> statuses)
{
Issue = issue;
Statuses = new SelectList(statuses, "Id", "Name", statuses[1].Id);
}
public IssueFormViewModel() { }
}
的名单我在控制器上创建看起来像行动...
public ActionResult Create()
{
IList<Status> statuses;
Issue issue = new Issue();
// NHibernate stuff getting a List<Status>
return View(new IssueFormViewModel(issue,statuses));
}
[AcceptVerbs(HttpVerbs.Post)]
public ActionResult Create(IssueFormViewModel issueFormView)
{ // At this point issueFormView.Issue.Status == null
// ...
}
我的问题对象绑定部分除了使用这些名称的状态查看:
<p>
<label for="Issue.Title">Title:</label>
<%= Html.TextBox("Issue.Title", Model.Issue.Title)%>
<%= Html.ValidationMessage("Title", "*") %>
</p>
<p>
<label for="Statuses">Status:</label>
<!-- also tried "Issue.Status" -->
<%= Html.DropDownList("Statuses", Model.Statuses)%>
<%= Html.ValidationMessage("Status", "*")%>
</p>
良好的捕获,但我没有得到一个OutOfBounds异常。为了测试,我保证我有超过1个值。 – hometoast 2009-06-24 19:25:23