Question

As I understand from the question below it should be possible to use different models for Get and Post actions. But somehow I’m failing to achieve just that.

What am I missing?

Related question: Using two different Models in controller action for POST and GET

Model

public class GetModel
{
    public string FullName;
    public string Name;
    public int Id;
}

public class PostModel
{
    public string Name;
    public int Id;
}

Controller

public class HomeController : Controller
{
    public ActionResult Edit()
    {
        return View(new GetModel {Id = 12, Name = "Olson", FullName = "Peggy Olson"});
    }

    [HttpPost]
    public ActionResult Edit(PostModel postModel)
    {
        if(postModel.Name == null)
            throw new Exception("PostModel was not filled correct");
        return View();
    }
}

View

@model MvcApplication1.Models.GetModel
@using (Html.BeginForm()) {
    @Html.EditorFor(x => x.Id)
    @Html.EditorFor(x=>x.Name)
    <input type="submit" value="Save" />
}

Answer 1

Your models aren’t using proper accessors so model binding doesn’t work. Change them to this and it should work:

public class GetModel
{
   public string FullName { get; set; }
   public string Name { get; set; }
   public int Id { get; set; }
}

public class PostModel
{
   public string Name { get; set; }
   public int Id { get; set; }
}