ASP.NET MVC empty KeyValuePair into Controller - asp.net

Question

I have an Model like KeyValuePair<Book, List<Author>>, after saving changes to controller comes empty model. To Edit(int id) comes Id of Book.
To this method need to get KeyValuePair filled, but it comes empty. Help please.
[HttpPost]
public ActionResult Edit(KeyValuePair<Book, List<Author>> data)
Controller
public class HomeController : Controller
{
static ViewModelAuthorsBooks data = new ViewModelAuthorsBooks();
static Dictionary<Book, List<Author>> tempDict = new Dictionary<Book, List<Author>>();
public ActionResult Index()
{
data = new ViewModelAuthorsBooks();
data.dictionary = new Dictionary<Book, List<Author>>();
List<Author> temp = new List<Author>();
Book book1 = new Book
{
Id = 0,
Name = "Book1",
Genre = "Genre1",
Description = "DescriptionDescription",
Price = 22.42M
};
Author author = new Author
{
Id = 0,
Name = "Name1",
Surname = "Surname1",
SecondName = "Secondname1"
};
temp.Add(author);
Author author2 = new Author
{
Id = 1,
Name = "Name2",
Surname = "Surname2",
SecondName = "Secondname2"
};
temp.Add(author2);
data.dictionary.Add(book1, temp);
temp = new List<Author>();
Book book2 = new Book
{
Id = 1,
Name = "Book2",
Genre = "Genre2",
Description = "DescriptionDescription2",
Price = 44.44M
};
Author author3 = new Author
{
Id = 2,
Name = "Name3",
Surname = "Surname3",
SecondName = "Secondname3"
};
temp.Add(author3);
data.dictionary.Add(book2, temp);
tempDict = data.dictionary;
return View(data.dictionary);
}
public ActionResult Edit(int id)
{
var model = tempDict.FirstOrDefault(x => x.Key.Id == id);
return View(model);
}
[HttpPost]
public ActionResult Edit(KeyValuePair<Book, List<Author>> data)
{
if (ModelState.IsValid)
{
return RedirectToAction("Index");
}
else
{
return View(data);
}
}
}
Classes
public class Book
{
public int Id { get; set; }
public string Name { get; set; }
public decimal Price { get; set; }
public string Description { get; set; }
public string Genre { get; set; }
}
public class Author
{
public int Id { get; set; }
public string Name { get; set; }
public string Surname { get; set; }
public string SecondName { get; set; }
}
public class ViewModelAuthorsBooks
{
public Dictionary<Book,List<Author>> dictionary { get; set; }
}
Views/Index
#using KeyValuePairTest.Models
#model IEnumerable<KeyValuePair<Book,List<Author>>>
#{
ViewBag.Title = "Index";
}
<h2>Index</h2>
<div class="panel panel-default">
<div class="panel-heading">
Books List
</div>
<div class="panel-body">
<table class="table table-striped table-condensed table-bordered">
<tr>
<th class="text-center">
#Html.DisplayNameFor(x => x.Key.Id)
</th>
<th class="text-center">
#Html.DisplayNameFor(x => x.Key.Name)
</th>
<th class="text-center">
#Html.DisplayNameFor(x => x.Key.Genre)
</th>
<th class="text-right">
#Html.DisplayNameFor(x => x.Key.Price)
</th>
<th class="text-center">
Action
</th>
</tr>
#foreach (var item in Model)
{
<tr>
<td class="text-right">
#item.Key.Id
</td>
<td>
#Html.ActionLink(item.Key.Name, "Edit", new { item.Key.Id })
</td>
<td>
#Html.DisplayFor(modelItem => item.Key.Genre)
</td>
<td class="text-right">
#item.Key.Price.ToString("# USD")
</td>
<td class="text-center">
#using (Html.BeginForm("Delete", "Admin"))
{
#Html.Hidden("id", item.Key.Id)
<input type="submit" class="btn btn-default btn-xs" value="Remove" />
}
</td>
</tr>
}
</table>
</div>
<div class="panel-footer">
#Html.ActionLink("Add", "Create", null, new { #class = "btn btn-default" })
</div>
</div>
Views/Edit
#using KeyValuePairTest.Models
#model KeyValuePair<Book, List<Author>>
#{
ViewBag.Title = "Edit";
}
<div class="panel">
<div class="panel-heading">
<h5>Edit Book: #Model.Key.Name</h5>
</div>
#using (Html.BeginForm("Edit", "Home", FormMethod.Post, new { app = #Model }))
{
<div class="panel-body">
#Html.HiddenFor(b => b.Key.Id)
<div class="form-group">
<label>Name:</label>
#Html.TextBoxFor(x => x.Key.Name, new { #class = "form-control" })
<input type="text" name="m" />
<label>Genre:</label>
#Html.TextBoxFor(x => x.Key.Genre, new { #class = "form-control" })
<label>Authors:</label>
#foreach (var author in Model.Value)
{
<label>Name</label>
#Html.TextBoxFor(x => author.Name);
<label>Surname</label>
#Html.TextBoxFor(x => author.Surname);
<label>Second name</label>
#Html.TextBoxFor(x => author.SecondName);
<p></p>
}
<label>Description:</label>
#Html.TextAreaFor(x => x.Key.Description, new { #class = "form-control", rows = 5 })
<label>Price:</label>
#Html.TextBoxFor(x => x.Key.Price, new { #class = "form-control" })
</div>
</div>
<div class="panel-footer">
<input type="submit" value="Save" class="btn btn-primary" />
#Html.ActionLink("Cancel", "Index", null, new { #class = "btn btn-default" })
</div>
}
</div>
Dictionary contains keys and values
In edit we see, that dictionary has values, they shown
Change value of Book name
Null

Answer 1

Thank's all for help, I find a solution
public class ViewModelUpdated
{
public Book book { set; get; }
public List<Author> lstAuthors { set; get; }
}
Just don't do a dictionary that's all :3