The smart Trick of view model in asp.net mvc That No One is Discussing

The smart Trick of view model in asp.net mvc That No One is Discussing

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Your reasoning is questionable and suspect to favoritism. Granted I am aware absolutely nothing about MVVM, however, if an architecture which include MVC can mimic the behavior with-out being forced to compose 50k traces of code, then whats the big offer?

Views are generally returned from steps like a ViewResult, which can be a form of ActionResult. Your action approach can build and return a ViewResult straight, but that isn't usually carried out. Given that most controllers inherit from Controller, you merely utilize the View helper process to return the ViewResult:

When this motion returns, the About.cshtml view demonstrated in the last part is rendered as the following webpage:

A more frequent and trivial illustration of a view model is a login variety: You almost certainly have a domain model called Person and you want them to log in. The Person area model may be large and just a little part of it is needed for your authentication. Additionally, it is made up of validation logic to the database which doesn't characterize validation logic to the login kind.

For MVC4, What's the best-exercise strategy to send a ViewModel utilized to populate a view back to the controller through POST?

They are really bewildered one particular for another (in mistake). No, you usually won't utilize a pres model instead of a view model. A lot more common would be that the VM "includes" the presentation model i.e. MyViewModel

Now, we must create the Address model to represent the employee Address such as Town, Point out, State, etcetera. So, make a course file Together with the title Deal with.cs within the Models folder and after that copy and paste the subsequent code in it.

Lastly I add the pvm item with many of the values into the ProjectEmployeeslist item which could maintain objects of kind ProjectViewModel after which pass the model to the view.

MayankMayank 18122 silver badges44 bronze badges 1 Certainly, I agree with anything, but you're not displaying how to help make the VM Qualities signify something (like from the controller and/or inside a provider/interface). This is a crucial A part of having the ability to use VMs in asp.net MVC.

Have primarily Homes. Code is usually limited to formatting info or converting it to or from a DTO. Presentation Models must not comprise business logic.

This is comparable to only requesting it by using a JSONRequest nonetheless it involves one a lot less call so it saves you that overhead. BTW That is funky for Dates but that looks as if another thread.

Utilizing this view model in the view is straight-ahead, just send out a completely new instance of LoginModel into the view:

Also, you can edit the Edit/Create views so which the DropDownList that contains a list of the states will Screen, and display the proper condition matching that of The shopper.

Enable say we want to display the employee facts with a webpage. And in our application, We've got two view model in asp.net mvc distinct models to characterize the worker data. The Employee Model is accustomed to depict The essential particulars of an worker While the Employee Deal with model is accustomed to symbolize the employee deal with.