1⟩ What are the 3 main components of an ASP.NET MVC application?
1. M - Model
2. V - View
3. C - Controller
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2⟩ Tell me in other mvc systems, the rule is fat models, skinny controllers. ie the business logic goes in the models and all controllers do is load/save models and load/kill views. is this the extjs way?
What MVC are you using? Views are for presenting the data from a Model. Model is just a representation of data. Controllers should be what controls you app like telling your view to display this model.
3⟩ Suppose that if i want to open a contacts view, i should call contactsController.view(id), or what have you, which would then open the view for me. correct?
What do you mean open? explain more..
4⟩ How to use model validation rules with a form?
Search on Global Guideline I hope you will get answer
5⟩ How to run an app in a page with existing content? (no viewport i am guessing, but what else do i need to know?)
There are no requirements.. if you want to use a Viewport you can! If you want to render components into divs... you can do that aswell.
6⟩ What is best way to get a reference to the viewport from anywhere in the code?
I would use refs config to set a reference on the Application/Controllers
7⟩ What is Model View Controller (MVC)?
Model–View–Controller (MVC) is a design pattern in which "the user input, the modeling of the external world, and the visual feedback to the user are explicitly separated and handled by three types of object." The model consists of data and business rules, and the controller mediates the communication between the model and the user. A view can be any visual element such as a printout or a web page. Multiple views of the same data are possible, such as a pie chart for management and a spreadsheet for accountants.
8⟩ Where are the routing rules defined in an asp.net MVC application?
In Application_Start event in Global.asax
9⟩ What is the role of a controller in an MVC application?
The controller responds to user interactions, with the application, by selecting the action method to execute and alse selecting the view to render.
10⟩ Name a few different return types of a controller action method?
The following are just a few return types of a controller action method. In general an action method can return an instance of a any class that derives from ActionResult class.
1. ViewResult
2. JavaScriptResult
3. RedirectResult
4. ContentResult
5. JsonResult
11⟩ Is it possible to unit test an MVC application without running the controllers in an ASP.NET process?
Yes, all the features in an asp.net MVC application are interface based and hence mocking is much easier. So, we don't have to run the controllers in an ASP.NET process for unit testing.
12⟩ What are the advantages of ASP.NET MVC?
1. Extensive support for TDD. With asp.net MVC, views can also be very easily unit tested.
2. Complex applications can be easily managed
3. Seperation of concerns. Different aspects of the application can be divided into Model, View and Controller.
4. ASP.NET MVC views are light weight, as they donot use viewstate.
13⟩ Is it possible to share a view across multiple controllers?
Yes, put the view into the shared folder. This will automatically make the view available across multiple controllers.
14⟩ What is the greatest advantage of using asp.net mvc over asp.net webforms?
It is difficult to unit test UI with webforms, where views in mvc can be very easily unit tested.
15⟩ What are sections?
Layout pages, can define sections, which can then be overriden by specific views making use of the layout. Defining and overriding sections is optional.
16⟩ What does Model, View and Controller represent in an MVC application?
Model: Model represents the application data domain. In short the applications business logic is contained with in the model.
View: Views represent the user interface, with which the end users interact. In short the all the user interface logic is contained with in the UI.
Controller: Controller is the component that responds to user actions. Based on the user actions, the respective controller, work with the model, and selects a view to render that displays the user interface. The user input logic is contained with in the controller.
17⟩ What are the file extensions for razor views?
1. .cshtml - If the programming lanugaue is C#
2. .vbhtml - If the programming lanugaue is VB
18⟩ How do you handle variable number of segments in a route definition?
Use a route with a catch-all parameter. An example is shown below. * is referred to as catch-all parameter.
controller/{action}/{*parametervalues}
19⟩ Is it possible to combine ASP.NET webforms and ASP.MVC and develop a single web application?
Yes, it is possible to combine ASP.NET webforms and ASP.MVC and develop a single web application.
20⟩ In which assembly is the MVC framework defined?
System.Web.Mvc
