考虑这个控制器动作:
public ActionResult List(int userid = 0)
{
var campaigns = db.Dyn_Campaigns.Where(c => c.UserID == userid);
return View(campaigns.ToList());
}
模型中的 UserID 字段是一个 int。
这是视图:
@model IEnumerable<KnockoutExample.Models.Dyn_Campaigns>
@{
ViewBag.Title = "List";
}
<h2>List</h2>
<p>
@Html.ActionLink("Create New", "Create")
</p>
<table>
<tr>
<th>
@Html.DisplayNameFor(model => model.DateCreation)
</th>
<th>
@Html.DisplayNameFor(model => model.CompanyID)
</th>
<th>
@Html.DisplayNameFor(model => model.UserID)
</th>
<th>
@Html.DisplayNameFor(model => model.Name)
</th>
<th>
@Html.DisplayNameFor(model => model.Descr)
</th>
...
</tr>
@foreach (var item in Model) {
<tr>
<td>
@Html.DisplayFor(modelItem => item.DateCreation)
</td>
<td>
@Html.DisplayFor(modelItem => item.CompanyID)
</td>
<td>
@Html.DisplayFor(modelItem => item.UserID)
</td>
<td>
@Html.DisplayFor(modelItem => item.Name)
</td>
<td>
@Html.DisplayFor(modelItem => item.Descr)
</td>
...
<td>
@Html.ActionLink("Edit", "Edit", new { id=item.ID }) |
@Html.ActionLink("Details", "Details", new { id=item.ID }) |
@Html.ActionLink("Delete", "Delete", new { id=item.ID })
</td>
</tr>
}
</table>
这是我在 global.asax 中的自定义路由:
config.Routes.MapHttpRoute("MyRoute", "{controller}/{action}/{userid}",
new { controller = "Campaigns", action = "List", userid = UrlParameter.Optional });
问题是userid
参数总是得到默认值(0)。我在这里做错了什么?