view model in asp.net mvc - An Overview

view model in asp.net mvc - An Overview

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When I try to access the values of a and b, I get nulls instead of the values entered in the textual content boxes.

The ViewModel can also execute conversions from the type of data that the Model carries to the kind of information your View can conveniently do the job with; this could possibly even suggest that the ViewModel would not have Models directly but other vessels that have (potentially a subset of) precisely the same details in a more suited structure.

performing it during the controller at least causes it to be testable (While not just like the above - you probably want to take an ISerializer to be a dependency to help you mock it)

By the way, NHibernate projections turn out to be useful if a particular viewmodel requirements a subset of the data from the persisted item.

The similarity in The 2 patterns is that they're the two trying to independent the logic from your display. The commonest use/basis for This really is tests: you'd like to be able to accomplish from code (through a testing framework) many of the interactions that a consumer will invoke by using the User Interface.

public class EmployeeViewModel public string FirstName get; established; public string LastName get; set; general public int Wage get; established; public string DeptName get; set; general public string DeptLocation get; set; community string DeptHod get; established;

Right-click on the Controllers folder and afterwards add a fresh MVC five Vacant controller with the name EmployeeController.cs and afterwards duplicate and paste the subsequent code in it.

Too late to update my thesis title which is a little unfit. Are there Innovative strategies to get about it?

– Berryl Commented Oct 31, 2010 at three:33 I've witnessed a lot a lot more, currently, that the ViewModel is being used in Asp.Web MVC. it would appear that the ViewModel has far more business getting during the view compared to the Domain Model. Hence the sample that we have been utilizing is usually to contain the area models assemble the main areas of the ViewModel.

ViewModels (plus the Model View ViewModel pattern) is much more usually connected to Silverlight and WPF. Xaml is somewhat different in the views can perform two-way binding towards the ViewModels, Hence the engineering is a little bit distinct.

Now they have tossded that out but hoisted once more One more desktop model on this new paradigm for Net dev. Within the necessarily mean time Google and Other folks are setting up large client-aspect models that independent everything. Im pondering aged ASP VBScript from 1998 was their truest Internet dev procedure.

So 1st make a folder with the name ViewModels after which make a course file with the identify EmployeeDetailsViewModel.cs within the ViewModels folder. Then duplicate and paste the subsequent code into it.

If you wish to study code regarding how to create a "Baseline" World wide web application with ViewModels I am able to suggest you to down load this code on GitHub: . I produced huge enterprise purposes. Once you do this It truly is problematic to arrange a superb architecture that handles all this "ViewModel" features.

Some eventualities for instance a lookup table symbolizing states while in the USA, could conveniently perform with either ViewModels or perhaps a ViewBag/ViewData object, so There is certainly some prospective overlap sometimes. It’s up to the applying architects and developers view model in asp.net mvc to decide what will work very best with their specific use scenario.