MVC将多个参数传递给控制器，包括模型列表

我试图从模型和从我的视图到我的控制器的字符串传递一个列表。我从Home控制器到Dashboard.cshtml的数据成功，但是当我尝试从模型传递一个列表到DetailController时，列表不会经过，但字符串TicketGroupName会。任何想法我做错了什么？MVC将多个参数传递给控制器，包括模型列表

Dashboard.cshtml

@model testlogin.Models.DashboardViewModel 

@{ 
    ViewBag.Title = "Index"; 
    Layout = "~/Views/Shared/_Layout.cshtml"; 
} 

<h2>@Model.AreaName</h2> 

<table id="dashboardContainer" class="table"> 
    <tr class="data-row-1"> 
     <td class="tile text-center"> 
      <a href="http://company.html"><img style="height: 125px" id="Image1" src="https://logo.jpg" /></a> 
     </td> 
     <td class="tile btn text-center"> 
      <a href="@Url.Action("ShowTickets", "Detail", new { TicketList = Model.OpenNow, TicketGroupName = "Open Now" })"> 
       <div> 
        <div class="row tile-head"> 
         <h4>Open Now</h4> 
        </div> 
        <div class="row"> 
         <h1><strong>@Model.OpenNow.Count</strong></h1> 
        </div> 
       </div> 
      </a> 
     </td> 
    </tr> 
</table>

HomeController.cs

public class HomeController : Controller 
{ 
    public ActionResult Index() 
    { 
     return View(); 
    } 

    public ActionResult Dashboard(string AreaName) 
    { 
     full_area_name = "Test Area"; 
     var dash = GetDashData(board_number); //Not including it here, but this method works 
     dash.AreaName = full_area_name; 

     return View(viewName: "Dashboard", model: dash); 
    } 
}

DashboardViewModel.cs

public class DashboardViewModel 
{ 
    public List<TicketModel> OpenNow { get; set; } 
}

DetailController.cs

public class DetailController : Controller 
{ 
    public ActionResult ShowTickets(List<TicketModel> TicketList, string TicketGroupName) 
    { 
     TicketViewModel vm = new TicketViewModel() 
     { 
      GroupName = TicketGroupName, 
      Tickets = TicketList 
     }; 
     return View(vm); 
    } 
}

个

TicketViewModel.cs

public class TicketViewModel 
{ 
    public string GroupName { get; set; } 
    public IEnumerable<TicketModel> Tickets { get; set; } 
}

ShowTickets.cshtml

@model testlogin.Models.TicketViewModel 

@{ 
    Layout = "~/Views/Shared/_Layout.cshtml"; 
} 

<div class="container"> 
    <div> 
     <h1>@Model.GroupName</h1> 
    </div> 
    <table class="table table-striped table-bordered table-hover"> 
     <tr> 
      <th>@Html.LabelFor(model => model.Tickets.FirstOrDefault().TicketNbr)</th> 
      <th>@Html.LabelFor(model => model.Tickets.FirstOrDefault().Company_Name)</th> 
      <th>@Html.LabelFor(model => model.Tickets.FirstOrDefault().Priority_Description)</th> 
      <th>@Html.LabelFor(model => model.Tickets.FirstOrDefault().Summary)</th> 
      <th>@Html.LabelFor(model => model.Tickets.FirstOrDefault().Last_Update)</th> 
      <th>@Html.LabelFor(model => model.Tickets.FirstOrDefault().OwnerOrCloser)</th> 
      <th>@Html.LabelFor(model => model.Tickets.FirstOrDefault().Date_Entered_UTC)</th> 
      <th>@Html.LabelFor(model => model.Tickets.FirstOrDefault().Date_Responded_UTC)</th> 
      <th>@Html.LabelFor(model => model.Tickets.FirstOrDefault().Date_Closed_UTC)</th> 
     </tr> 
     @Html.DisplayFor(x => x.Tickets) 
    </table> 
</div>

来源

2017-09-15 Doc Hoss

您不应该通过GET操作单击链接传递列表。你应该再次在ShowTickets行为方法中得到它。 – Shyju

您不能使用'Url.Action（）'将一个集合传递给GET方法（查看您生成的html）。您将需要传递集合中每个项目的每个属性作为查询字符串参数，这将是疯狂的，并且可能超过查询字符串限制）。在方法中再次获取集合。 –

我明白了。我会尝试并发布结果。谢谢你的帮助，你们俩！ –

至于建议的@Shyju和@Stephen_Muecke，我重新安排在控制器我的代码时认为，从HTTP缓存再次获取数据称为行动。

只是为了清楚，以防其他人正在搜索此答案，您不能将列表（或IEnumerable）对象从视图传递给控制器。列表数据必须在控制器中重新收集。

感谢您的帮助，伙计们！

来源

2017-09-19 17:39:24

MVC将多个参数传递给控制器​​，包括模型列表

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MVC将多个参数传递给控制器，包括模型列表