尝试将模型绑定到视图时,出现了404错误。ActionResult称为'SortDesc',但视图只是一个标准的'Index'视图。我明白这是因为没有名为'SortDesc'的视图而无法加载。然而,我有两个按钮,一个用于升序排序数据,另一个用于降序排序数据,因此有两个单独的函数。我不确定在这里最好的解决方案是什么,是继续使用这两个单独的函数并以某种方式传递正确的视图以进行加载,还是在Index上创建一个新的、单独的HttpPost函数,它将知道哪个按钮已被单击并相应地排序。以下是我目前拥有的代码:
模型:
模型:
public class NumberSetList
{
public int NumberSetListId { get; set; }
public List<NumberList> Numbers { get; set; }
public string SortOrder { get; set; }
}
public class NumberList
{
public int NumberListId { get; set; }
public int Number1 { get; set; }
public int Number2 { get; set; }
public int Number3 { get; set; }
public int Number4 { get; set; }
public int Number5 { get; set; }
public string SortOrder { get; set; }
}
Razor:
@{
ViewBag.Title = "csi media web test";
}
<div class="jumbotron">
<h1>csi media web test</h1>
<p class="lead">Liane Stevenson</p>
</div>
<div class="row">
<div class="col-md-12">
<div class="panel panel-info">
<div class="panel-heading"><i class="glyphicon glyphicon-arrow-right"></i> Enter Your Four Numbers</div>
<div class="panel-body">
<form class="form-inline">
<div class="col-md-9">
<div class="form-group">
<label class="sr-only" for="number1">1st Number</label>
<input type="number" class="form-control" id="number1" name="Number1" placeholder="#1">
</div>
<div class="form-group">
<label class="sr-only" for="number2">2nd Number</label>
<input type="number" class="form-control" id="number2" name="Number2" placeholder="#2">
</div>
<div class="form-group">
<label class="sr-only" for="number3">3rd Number</label>
<input type="number" class="form-control" id="number3" name="Number3" placeholder="#3">
</div>
<div class="form-group">
<label class="sr-only" for="number4">4th Number</label>
<input type="number" class="form-control" id="number4" name="Number4" placeholder="#4">
</div>
</div>
<div class="col-md-3 text-right">
<a class="btn btn-default" href="@Url.Action("SortDesc", "Home")"><i class="glyphicon glyphicon-arrow-down"></i> Sort Desc</a>
<a class="btn btn-default" href="@Url.Action("SortAsc", "Home")"><i class="glyphicon glyphicon-arrow-down"></i> Sort Asc</a>
</div>
</form>
<p>
@if (Model != null)
{
foreach (int number in Model.Numbers)
{
<span class="label label-info">@number</span>
}
}
</p>
</div>
</div>
</div>
</div>
首页控制器:
public ActionResult Index()
{
return View();
}
[HttpPost]
public ActionResult SortDesc([Bind(Include = "Number1, Number2, Number3, Number4")] NumberSetList model)
{
if (!ModelState.IsValid)
{
return View();
}
else
{
NumberSetList list = new NumberSetList();
List<int> numbers = new List<int>();
numbers.Add(model.Number1);
numbers.Add(model.Number2);
numbers.Add(model.Number3);
numbers.Add(model.Number4);
numbers.OrderByDescending(i => i);
list.SortOrder = "Desc";
return View(list);
}
}
numbers
没有被赋值。视图如何知道它的存在?你需要设置list.numbers = numbers;
。 - NkosiList<int>
。 - Nkosi