About view model in asp.net mvc
About view model in asp.net mvc
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ViewModels would be the model in the view. ViewModels commonly are whole or partial data from one or more objects (or DTOs) furthermore any additional members certain on the view's habits (methods which can be executed by the view, Qualities to point how toggle view components and so on.
A view model represents the data that you might want to Screen on the view/website page, no matter whether it be useful for static text or for input values (like textboxes and dropdown lists) that could be added to your databases (or edited). It is a thing different than your area model. It's a model for your view.
In order for the view to determine what object to work with, set the @model key phrase to point to the ViewModel, similar to you presently would with a regular model.
This is commonly a sign that your domain models Never cleanly correspond to your UI you happen to be building, and that an intermediate personalized-formed ViewModel course will help.
Strongly Typed: In contrast to ViewData or ViewBag, view model in asp.net mvc which can be dynamic and loosely typed, a ViewModel is usually a strongly typed item. This means it's got a specific, predefined composition with Houses of outlined sorts.
The dilemma asked was "Are Details Transfer Objects and ViewModels the identical matter?" while the primary reaction was "The canonical definition of the DTO is the data shape of an object without any habits." it's not very distinct.
If you want figure out extra strategies to go numerous models into a view you could look at this submit which post.
For instance, your Model could have the following properties, that happen to be immediate representations of your facts source:
A view model is actually a conceptual model of information. Its use is to for instance both get yourself a subset or Blend details from different tables.
A view model is analogous to some presentation model in That may be a backing class for rendering a view. On the other hand, it is extremely distinct from the Presentation Model or perhaps a DTO in the way it is manufactured.
Model: Strictly looks and looks like your details model. For all intents and functions it's only a class illustration of your respective data model.
Are The one supply of facts utilized to render a site or display screen. Normally, Which means a view model will expose just about every home that any Manage around the page will require to render by itself appropriately.
The Controller handles all person interaction logic. The View includes each of the user interface the person will interact.