将IPagedList与复选框绑定为List

Question

所以..我有一个有一个类List.我把它传递给视图,如下面的代码:

[HttpGet]
[Authorize(Roles="user")]
[CustomChecker]
public ActionResult Index(int? page, int id=0)
{
    EmployeeContext emp = new EmployeeContext();
    student st = emp.students.Single(x=>x.id ==id);

    @ViewBag.id = st.id;

    return View(st.subjSel.ToPagedList(page ?? 1, 4));
}

然后View会像这样收到它:

@using PagedList;
@using PagedList.Mvc;
@model PagedList<MvcApplication6.Models.subject>
<div style="font-family:Arial">
    <fieldset>
        <legend><h3>Open Classes</h3></legend>
        @using (Html.BeginForm("Test", "Enrollment"))
        {
            <input type="hidden" name="id" value="@ViewBag.id" />
            <table border="1">
                <tr>
                    <th>@Html.LabelFor(model => model[0].subj)</th>
                    <th>@Html.LabelFor(model => model[0].days)</th>
                    <th>@Html.LabelFor(model => model[0].cstart)</th>
                    <th>@Html.LabelFor(model => model[0].cend)</th>
                    <th>@Html.LabelFor(model => model[0].professor)</th>
                    <th>@Html.LabelFor(model => model[0].units)</th>
                    <th>@Html.CheckBox("test") Select all</th>
                </tr>
                @for (int i = 0; i < Model.Count; i++)
                {
                    <tr>
                        @Html.HiddenFor(model => model[i].id)
                        <td>
                            @Html.DisplayFor(m => m[i].subj)
                            @Html.HiddenFor(m => m[i].subj)
                        </td>
                        <td>
                            @Html.DisplayFor(m => m[i].days)
                            @Html.HiddenFor(m => m[i].days)
                        </td>
                        <td>
                            @Html.DisplayFor(m => m[i].cstart)
                            @Html.HiddenFor(m => m[i].cstart)
                        </td>
                        <td>
                            @Html.DisplayFor(m => m[i].cend)
                            @Html.HiddenFor(m => m[i].cend)
                        </td>
                        <td>
                            @Html.DisplayFor(m => m[i].professor)
                            @Html.HiddenFor(m => m[i].professor)
                        </td>
                        <td>
                            @Html.DisplayFor(m => m[i].units)
                            @Html.HiddenFor(m => m[i].units)
                        </td>
                        <td>
                            @Html.CheckBoxFor(m => m[i].isSelected)
                        </td>
                    </tr>
                }
            </table>
            <br />
            <br />
            <table>
                <tr><td align="center" width="500px"></td></tr>
                 <tr>
                    <td align="center" width="500px">
                        <input type="submit" value="submit" /> | <input type="button" value="clear" />
                    </td>
                </tr>
            </table>
            <br />
            <br />
        }
    </fieldset>
</div>
@Html.PagedListPager(Model, page => Url.Action("Index", "Enrollment", new { page, id = Request.QueryString["id"] }))

我的问题是它会像这样呈现,[0].subj并且不允许我绑定因为它应该是类似的东西name[0].subj.

我一直在尝试和尝试新方法,有什么方法可以让我正确绑定它们吗？我想尽可能地使用Html Helpers,我不想为这部分重新实现一个自定义的.

这是他们应该受约束的功能.这个班有一个List学生(我转换为IPagedList的那个)

[HttpPost]
[Authorize(Roles="user")]
public ActionResult Test(student st)

这就是我的View样子.我正在CheckBoxFor用于选择.

额外的问题: 为什么我的导航看起来如此丑陋？

Answer 1

模型是视图，@model PagedList<subject>这意味着参数必须是

[HttpPost]
public ActionResult Test(IEnumerable<subject> model)

如果您还需要学生ID属性，请包含一个附加参数

[HttpPost]
public ActionResult Test(IEnumerable<subject> model, int ID)

由于 GET 方法有一个参数int ID，并且假设您使用默认路由，那么 ID 将被添加到 forms属性中，即假设 ID 的值为 ，action它将呈现。如果没有，您可以将其添加为路由参数action="/Enrollment/Test/2"2

@using (Html.BeginForm("Test", "Enrollment", new { ID = ViewBag.id }))

或者，您可以使用视图模型

public class StudentVM
{
  public int ID { get; set; }
  public PagedList<student> Students { get; set; }
}

并在 GET 方法中

public ActionResult Index(int? page, int id=0)
{
  EmployeeContext emp = new EmployeeContext();
  student st = emp.students.Single(x=>x.id ==id);
  StudentVM model = new StudentVM()
  {
    ID = id,
    Students = st.subjSel.ToPagedList(page ?? 1, 4)
  };
  return View(model);
}

并将您的视图基于视图模型并将其发布回public ActionResult Test(StudentVM model)