Accessing Controller variable in View MVC

Question

I have started to use MVC and i have set up a simple project that has a controller than returns a value from entity FrameWork. I have a controller for the index page which visual studio setup as default in its template.

I am hoping that this value will be returned to the index page of the website.

Controller code

 MISEntities db = new MISEntities(); public ActionResult Index() { ViewBag.Message = "Real Time Production"; var scrap = from r in db.tbl_dppIT select r.CastGood; return View(scrap); } 

How do i access the var scrap using razor? I have looked at the viewbag method and other razor syntax but cant seem to find how i access this item.

Answer 1

Just because the controller variable is declared using the var keyword doesn't mean it doesn't have a type. Rather, this tells C# that the type should be inferred by its context (in this case, an IEnumerable<T> of whatever type tbl_dppIT.CastGood is).

So, the other three answers are partly correct, you need to define the type of model being passed into the View via the razor keyword @model as noted by the other answers:

// In your view Razor: @model IEnumerable</* type of CastGood */> 

There is an alternative to the three answers already specified, and that is sticking the scrap variable into the ViewBag in your controller:

ViewBag.Scrap = scrap; 

When you access the expando property Scrap from the ViewBag in the view, it will be a dynamic object, so you won't get the aid of IntelliSense. But, it is another way, just so that you know all the possibilities.

UPDATE:

Based on your comments below, it looks like if CastGood is a database column that is allowed to be null and whose type is int, then you'd want:

@model IEnumerable<int?> 

HTH.

Answer 2

You need to declare the type of the variable scrap as the model inside the View using the @model keyword.

// View.cshtml @model IEnumerable<Namespace.ScrapType> @foreach(var item in Model) { <p>@item.SomeProperty</p> } 

See Part 3: Views and ViewModels of the MVC Music Store example.

Answer 3

You need to strongly type your view and it will available as the Model instance.

@model IEumerable<MyType> @foreach(var item in Model) { @*do something with it *@ }