Can two views have the same viewModel?
Can two views have the same viewModel?
It’s possible that having two separate views is what you want, but it’s just something to consider. I am using the prism framework and was also looking for a solution of using one viewmodel for many (child) views. In prism there are two possible solutions: Define the viewmodel as singleton (code smell) or.
Can a model have multiple views?
Yes you can use same model for multiple views, a model may contains hundreds of fields, but all the views may not need all the fields to display and manipulate, only the necessary properties/fields will be rendered to a particular view.
Should each view have its own viewModel?
3 Answers. Yes, basically the idea is that your viewModel should only be used by one view. If you use a viewModel to populate an area (like in ASP.NET MVC) then that viewModel is “reused” each time that view is presented in difference places.
Can a viewModel contain other Viewmodels?
While a view should only have one viewmodel, a single viewmodel might be used by multiple views (imagine a wizard, for example, that has three views but all bind to the same viewmodel that drives the process).
What is the ViewModel factory?
ViewModelFactory. A ViewModelFactory instantiates ViewModel objects, with or without constructor parameters. In later codelabs, you learn about other Android Architecture Components that are related to UI controllers and ViewModel .
How do I render multiple views based on condition?
Using the method described above we can render layouts based on a condition in ASP.NET MVC….Based on some condition I want to render the layout page.
- Rendering layout page from ActionResult (using Controller. View extension method)
- Using _ViewStart.cshtml Page. The _ViewStart.
- Define the Layout page in each view.
What is the difference between model and ViewModel?
A model is usually more closely related to how your data is stored (database, services, etc.) and the model will closely resemble those. The ViewModel on the other hand is closely related to how your data is presented to the user. It is usually a flatten version of your model, denormalized, etc.
What is the use of ViewModel in MVVM?
The ViewModel class is designed to store and manage UI-related data in a lifecycle conscious way. The ViewModel class allows data to survive configuration changes such as screen rotations.
How do you bind ViewModel in MVVM?
CS”. The following lines will bind the viewModel class as datacontext to the form: View (MainWindow.Xaml)
- xmlns:vm=”clr-namespace:SampleWPFMVVM.
- Title=”MainWindow” Height=”350″ Width=”333″
- x:Name=”Window”>
What is MVVM Architecture in Android?
Model — View — ViewModel (MVVM) is the industry-recognized software architecture pattern that overcomes all drawbacks of MVP and MVC design patterns. MVVM suggests separating the data presentation logic(Views or UI) from the core business logic part of the application.
