我想用一个视图来做到这一点,也许这不是最好的方式?如何从不同的ViewModel返回值?
我有一个数据驱动的表单;问题都来自一个问题表,但答案填充一个答复表。这里是视图;
@using Microsoft.AspNet.Identity
@model Template.Models.Question
@{
ViewBag.Title = "View question";
var qtype = Model.QuestionTypeId;
ViewBag.Number = Model.Id - 7;
Html.BeginForm("ViewQuestion", "Question", FormMethod.Post, new { @class = "form-horizontal", role = "form" });
}
<h4>Question #@ViewBag.Number</h4>
<hr />
<h1> @Model.Question1</h1>
@Html.AntiForgeryToken()
<div>
@switch (qtype)
{
case 1:
// Textbox
@Html.TextArea("Answer", new { @class = "form-control", rows = "4", col = "5" });<br /><br />
break;
case 2:
// Dropdown
<select class="form-control" id="Answer">
@foreach (var item in Model.QuestionOptions.OrderBy(o => o.QuestionOptionRanking))
{
<option value="@item.QuestionOption1">@item.QuestionOption1</option>
}
</select><br /><br />
break;
case 3:
// Checkbox
<div class="checkbox">
@foreach (var item in Model.QuestionOptions.OrderBy(o => o.QuestionOptionRanking))
{
<input type="checkbox" name="Answer" value="@item.QuestionOption1" /> @item.QuestionOption1 <br />
}
</div><br /><br />
break;
case 4:
// Radio buttons
foreach (var item in Model.QuestionOptions.OrderBy(o => o.QuestionOptionRanking))
{
<div class="radio">
<label>
<input type="radio" name="Answer" value="@item.QuestionOption1" />
@item.QuestionOption1
</label>
</div>
}<br /><br />
break;
}
</div>
<input type="hidden" name="QuestionId" value="@Model.Id" />
<input type="hidden" name="UserId" value="@User.Identity.GetUserId()" />
<div class="form-group">
<div class="col-md-offset-2 col-md-10">
<input type="submit" class="btn btn-default" value="Answer" />
</div>
</div>
这里是我的视图模型;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
namespace Template.Models
{
public class GetQuestionViewModel
{
public int Id { get; set; }
public int PageNumber { get; set; }
public string Question1 { get; set; }
public int QuestionTypeId { get; set; }
public Nullable<int> LinkedTo { get; set; }
public Nullable<int> Options { get; set; }
public Nullable<int> QuestionRanking { get; set; }
public virtual ICollection<QuestionOption> QuestionOptions { get; set; }
public virtual QuestionType QuestionType { get; set; }
public virtual ICollection<Response> Responses { get; set; }
public virtual ICollection<AspNetUser> AspNetUsers { get; set; }
}
public class ResponseViewModel
{
[Required]
public string UserId { get; set; }
[Required]
public int QuestionId { get; set; }
[Required(ErrorMessage = "Please answer the question before submitting")]
public string Answer { get; set; }
[Required]
public string Source { get; set; }
[Required]
public string Status { get; set; }
[Required]
public System.DateTime DateStamp { get; set; }
public Nullable<int> Duplicate { get; set; }
public virtual Question Questions { get; set; }
public object SelectedValue { get; set; }
public virtual ICollection<QuestionOption> QuestionOptions { get; set; }
}
}
我不能让GetQuestionViewModel在所有的工作,并使出了问题型号的.emdx版本来填充页面,但我的任务是:a)显示每个用户在网页上的答案,和b)在PageNumber字段中显示问题,因为可以在单个屏幕上显示任意数量的问题。
这是我的控制器,但你可以看到更多的是被评论的比工作!
using System.Web.Mvc;
using Template.Models;
namespace Template.Controllers
{
public class QuestionController : Controller
{
private WebTemplateEntities db = new WebTemplateEntities();
// GET: /Questions/ViewQuestion/5
public ActionResult ViewQuestion(int? id)
{
if (id == null || id == 0 || id > 12)
{
id = 8;
}
var question = db.Questions.Find(id);
if (question == null)
{
return HttpNotFound();
}
return View(question);
}
// [Route("Questions/{page?}")]
//public ActionResult ViewQuestion(GetQuestionViewModel model, int? id)
//{
// if (id == null || id == 0 || id > 12)
// {
// //return new HttpStatusCodeResult(HttpStatusCode.BadRequest);
// id = 8;
// //return RedirectToAction("/ViewQuestion/" + id);
// }
// var q = db.Questions.Find(id);
// var pageId = q.PageNumber;
// var questions = from q in db.Questions
// where q.PageNumber == pageId
// orderby q.QuestionRanking
// select q;
// return View(questions);
// }
// POST: /Questions/ViewQuestion/5
[HttpPost]
public ActionResult ViewQuestion([Bind(Include = "QuestionId, Answer, UserId")] ResponseViewModel responseViewModel)
{
Response re = new Models.Response();
re.Answer = responseViewModel.Answer;
if (re.Answer == null)
{
re.Answer = "Work in progress!";
// re.Answer = responseViewModel.SelectedValue();
// re.Answer = int.Parse(SelectList["Question.QuestionOption1"]);
}
re.UserId = responseViewModel.UserId;
re.QuestionId = responseViewModel.QuestionId;
var id = responseViewModel.QuestionId;
re.Source = "Web";
re.Status = "New";
re.DateStamp = System.DateTime.Now;
db.Responses.Add(re);
db.SaveChanges();
return RedirectToAction("ViewQuestion/" + (id + 1));
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
db.Dispose();
}
base.Dispose(disposing);
}
}
}
我一直在这个问题上工作几天,现在我只是绕着圈子走。任何帮助或建议,我非常感谢。
顺便说一句,让视图中显示的问题号码基于ID是不好的做法。Id应该完全不知道你的实现。应该有一个单独的字段用于存储实际的问题编号。 –
同意。我打算在能够正常工作时切换到页码。但我暂时无法显示用户的答案。两者都困扰着我! – Alex
你的[Route ...]工作吗?当您导航到该网址时,控制器方法是否执行? –