这段代码:
@using (Html.BeginForm("Rename", "Board", FormMethod.Post))
{
@Html.LabelFor(x => x.Name);
@Html.EditorFor(x => x.Name);
@Html.HiddenFor(x => x.Id);
<br/>
<input type="submit" value="@Labels.Submit">
}
生成以下 html:
<form action="/Board/Rename/43" method="post"> // **take a look here**
<label for="Name">Name</label>
<input class="text-box single-line" id="Name" name="Name" type="text" value="Board 3" />
<input data-val="true" data-val-number="The field Id must be a number." data-val-required="The Id field is required." id="Id" name="Id" type="hidden" value="43" />
<br/>
<input type="submit" value="Submit">
</form>
我的动作是这样的:
public ActionResult Rename(int id)
{
var board = _unitOfWork.Boards.GetById(id);
return View(board);
}
[HttpPost]
public ActionResult Rename(int id, string name)
{
_unitOfWork.Boards.Rename(id, name);
_unitOfWork.Commit();
return RedirectToAction("Board");
}
当我尝试提交表单时 MVC 抱怨:
System.ArgumentException:参数字典包含方法'System.Web.Mvc.ActionResult Board(Int32)的不可为空类型'System.Int32'的参数'id'的空条目
我猜这是因为生成的操作网址的最后一部分(“/Board/Rename/ 43 ”)
正确的方法是什么?