类型'IEnumerable<>'在未引用的程序集中定义

时间:2016-07-08 19:12:22

标签: c# .net asp.net-mvc pagedlist

我已将以下nuget包添加到我的MVC 5应用程序X.PagedList.Mvc

我在控制器/视图中返回结果如下:

// Repo
public IPagedList<Post> GetPagedPosts(int pageNumber, int pageSize)
{
   var posts = _context.Post
      .Include(x => x.Category)
      .Include(x => x.Type);

   // Return a paged list
   return posts.ToPagedList(pageNumber, pageSize);

}

// View model
public class PostViewModel
{
   public IPagedList<Post> Posts { get; set; }
   ...
}

// Controller method
public ActionResult Index(int? page)
{

    int pageNumber = page ?? 1;
    int pagesize = 5;

    var posts = _PostRepository.GetPagedPosts(pageNumber, pagesize);

    var viewModel = new PostViewModel
    {
        Posts = posts,
        ...
    };

    return View(viewModel);
}

// View
@model MyApp.ViewModels.PostViewModel
@using X.PagedList.Mvc;
@using X.PagedList;

<p>Page @(Model.Posts.PageCount < Model.Posts.PageNumber ? 0 : Model.Posts.PageNumber) of @Model.Posts.PageCount </p>

但在我看来,我收到以下错误The type 'IEnumerable<>' is defined in an assembly that is not referenced. System.Runtime...

我的应用程序中没有project.json文件,这是什么错误?

2 个答案:

答案 0 :(得分:19)

确保Web.config文件中包含以下行:

<compilation debug="true" targetFramework="4.6.1"> //don't need to change THIS line, just the content of this section
  <assemblies>
    <add assembly="System.Runtime, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
    <add assembly="System.Collections, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a" />
  </assemblies>
</compilation>

答案 1 :(得分:1)

我知道回答得太晚了,但是对于谁刚遇到这个错误 正如错误的后半部分所述,我已解决了该问题,即只是在Web配置文件的“程序集”部分中为net标准添加了程序集引用,如下所示:

<配置>
  ...
  
    <编译debug =“ true” targetFramework =“ 4.6.1”>
      <程序集>
        
      
    
  

        ...

^ _ ^