You don't really need being changing it to JSON during the view, and You do not really want to convert it within the controller, as neither of these places make sense. Regrettably, you happen to be caught with this case.
In simple conditions as has previously been stated this DTO may be used for binding for the view but in additional intricate instances it will demand the development of a ViewModel and unloading of knowledge from DTO to ViewModel which is clearly a lot more operate (when making use of MVVM pattern).
Ideal-click the Controllers folder, incorporate a fresh class file named StudentController.cs, and duplicate and paste the next code. As it is possible to see in the Details motion strategy, we populate the StudentDetailsViewModel With all the required knowledge and after that send out it towards the corresponding view.
Use ViewModel even for simple scenarios. This aids to keep up the consistency across the application
These are chargeable for the bare minimum amount amount of features to wire anything up. Finally, the View is answerable for creating the UI layer that allows the user to communicate with the info during the Model. It's not at all
ASP.Web MVC view can not have more than one model Therefore if we need to Display screen Attributes from more than one model while in the view, it's not possible. ViewModel serves this intent.
Frequently DTOs are utilized to ship data from 1 layer to another layer throughout process boundries as phone calls to a distant company is usually expensive so all the required data is pushed right into a DTO and transferred to your customer in one chunk (coarse grained).
I've long gone off observe somewhat, nevertheless the extended and brief is that Anything you're executing is flawlessly satisfactory. In fact, It is really fantastic follow. Produce as lots of view models as your application requires, and make use of them to actually retail outlet the data and business enterprise logic needed for your views.
There must also certainly be a model in MVVM, but the majority of people overlook The purpose of that pattern absolutely and they will have only a view and also a view model. The model in MVC is comparable towards the model in MVVM.
As you are able to see in the above code, below we've been passing the employee specifics view model being a parameter into the view. And one more point you'll want to see is the fact that now we aren't employing any ViewData or ViewBag in just our Details action method.
One example is, say you had an internet store that marketed audio and dvds. On your look through website page you'd choose to Screen a list of all of your dvds and songs. Would you therefore build a ViewModel object which has two properties containing an albums checklist view model in asp.net mvc and also a dvds list?
Sending a ViewModel into the view for rendering will function the same as when handling a model. As it’s just a category, the view doesn’t know, and doesn’t treatment, exactly where the model or ViewModel came from.
The view information revealed higher than is barely Element of your complete webpage that's rendered to the person. The rest of the website page's format and other widespread areas of the view are laid out in other view data files. To find out more, begin to see the Structure subject.
Also, in the event you established it up like an adapter, the info returned with the view from the viewmodel could then, consequently, hydrate info within the hidden area objects.