View Model is often a model class that may keep only Those people Houses which are needed for a view. It may have properties from multiple entity (tables) in the databases. Because the name implies, this model is designed especially for the View specifications.
Effectively thats correct but not extremely useful. The more correct definition of the VM is "All the things you need to render your web site." If you browse all the way down to The underside I have discovered the factors you'll want to Create your VM's appropriately and easily, in several situations leveraging your existing area models and presentation models.
When this action returns, the About.cshtml view proven in the last section is rendered as the next webpage:
By doing this you are able to centralize the logic for building the JSON for those who, for a few cause, would like to alter the logic later.
Although doing this we will explore two strategies which might be utilized to go details from controllers to views: ViewData and ViewModel.
The only real house in the StatesDictionary class will be the StateSelectList, which is an object that Html Helpers use with to render an HTML element that displays a listing of states. The sort Dictionary within the StateSelectList residence maps for the point out abbreviation then state title, respectively.
Just the data for the article. It appear to be that ViewData matches the Monthly bill for over head information, but of course I am new at this. I suggest accomplishing anything like this.
How am i able to continue to keep the the logic to translate a ViewModel's values to a The place clause to apply into a linq question from My Controller? 0
– Berryl Commented Oct 31, 2010 at 3:33 I have found a whole lot extra, recently, which the ViewModel is getting used in Asp.net MVC. it would appear which the ViewModel has much more small business being while in the view than the Domain Model. Therefore the sample that we have been applying is always to hold the area models assemble the foremost elements of the ViewModel.
In the new indicating of MVC a model is not where by enterprise logic belongs. Business logic belongs in a company layer for an internet or simply a desktop app employing MVC or MVVM. The time period model describes the business objects which might be handed to/within the services layer. These definitions are vastly diverse from the initial description of MVC.
@Chef_Code: It is not questionable or favoritism: just read the view model in asp.net mvc first paper about MVC. Likely back again for the source is much better than blindly next the herd without the need of problem (aka "finest procedures"). MVC is meant for A lot smaller models: e.g.
As you may see it only consists of two of your Homes. Both of these Qualities are in the employee domain model. Why Is that this you could talk to? Id might not be set within the view, it might be car created by the Employee table.
To my understanding, it is a sort of Model that has a unique reason of interacting Together with the View? Or one thing like that?
It does not make a difference should you implicitly return the ViewResult with return View(); or explicitly pass the view identify on the View approach with return View("");. In each instances, view discovery lookups for just a matching view file With this purchase: