Interview Questions.

Q1. Explain What Is Model-view-controller?

MVC is a software structure pattern for developing internet application. It is dealt with by way of three objects Model-View-Controller.

Q2. Mention The Order Of The Filters That Get Executed, If The Multiple Filters Are Implemented?

The filter order might be like

•Authorization filters

•Action filters

•Response filters

•Exception filters

Q3. Mention How Can Maintain Session In Mvc?

Session may be maintained in MVC via 3 methods tempdata, viewdata, and viewbag.

Q4. List Out Few Different Return Types Of A Controller Action Method?

•View Result

•Javascript Result

•Redirect Result

•Json Result

•Content Result

Q5. Mention What Is The Difference Between Adding Routes, To A Web Form Application And An Mvc Application?

To upload routes to a webform application, we are able to use MapPageRoute() technique of the RouteCollection elegance, where including routes to an MVC software, you could use MapRoute() technique.

Q6. Where Is The Route Mapping Code Written?

The direction mapping code is written within the “global.Asax” file.

Q7. Mention What Is The Importance Of Nonactionattribute?

All public strategies of a controller class are dealt with as the action approach if you need to save you this default method then you have to assign the public approach with NonActionAttribute.

Q8. Explain What Is Routing? What Are The Three Segments For Routing Is Important?

Routing helps you to decide a URL shape and map the URL with the Controller.

The 3 segments which might be critical for routing is

•ControllerName

•ActionMethodName

•Parameter

Q9. Can You Explain The Complete Flow Of Mvc?

Below are the stairs how manage flows in MVC (Model, view and controller) architecture:-

•All end user requests are first sent to the controller.

•The controller depending at the request comes to a decision which version to load. The controller loads the model and attachesthe version with the suitable view.

•The final view is then connected with the version records and sent as a response to the stop user at the browser

Q10. List Out The Types Of Result In Mvc?

In MVC, there are twelve styles of outcomes in MVC in which “ActionResult” class is the main magnificence while the 11 are their sub-types

•ViewResult

•PartialViewResult

•EmptyResult

•RedirectResult

•RedirectToRouteResult

•JsonResult

•JavaScriptResult

•ContentResult

•FileContentResult

•FileStreamResult

•FilePathResult

Q11. Mention What Is The Advantages Of Mvc?

•MVC segregates your project right into a different segment, and it will become easy for developers to work on.

•It is easy to edit or change a few a part of your venture that makes project much less improvement and preservation fee.

•MVC makes your assignment extra systematic.

Q12. Mention What Are The Two Ways To Add Constraints To A Route?

The  techniques to add constraints to a direction is

•Use everyday expressions

•Use an object that implements IRouteConstraint Interface

Q13. Explain What Are The Steps For The Execution Of An Mvc Project?

The steps for the execution of an MVC undertaking consists of

•Receive first request for the application

•Performs routing

•Creates MVC request handler

•Create Controller

•Execute Controller

•Invoke action

•Execute Result

Q14. Explain Using Hyperlink How You Can Navigate From One View To Other View?

By the usage of “ActionLink” method as shown inside the underneath code. The underneath code will make a easy URL which assist to navigate to the “Home” controller and invoke the “GotoHome” motion.

Collapse / Copy Code

<%= Html.ActionLink(“Home”, “Gotohome”) %>

Q15. Explain The Role Of Components Presentation, Abstraction And Control In Mvc?

•Presentation: It is the visible representation of a specific abstraction within the application

•Abstraction: It is the commercial enterprise area functionality in the utility

•Control: It is a part that keeps consistency among the abstraction inside the device and their presentation to the user in addition to speaking with other controls within the system

Q16. Is Mvc Suitable For Both Windows And Web Application?

MVC structure is appropriate for internet application than windows. For window software MVP i.E. “Model view presenter”is more relevant. If you are the usage of WPF and SL MVVM is more suitable because of bindings.

Q17. Mention What Are The File Extensions For Razor Views?

For razor perspectives the file extensions are

•.Cshtml: If C# is the programming language

•.Vbhtml: If VB is the programming language

Q18. Explain In Which Assembly Is The Mvc Framework Is Defined?

The MVC framework is defined in System.Web.Mvc.

Q19. Explain How You Can Send The Result Back In Json Format In Mvc?

In order to ship the result back in JSON format in MVC, you may use “JSONRESULT” elegance.

Q20. Mention What Are The Two Ways For Adding Constraints To A Route?

Two methods for including constraints to path is

•Using regular expressions

•Using an object that implements IRouteConstraint interface

Q21. What Is Partial View In Mvc?

Partial view in MVC renders a portion of view content. It is beneficial in reducing code duplication. In easy phrases, partial view allows to render a view inside the determine view.

Q22. Mention What Are Main Benefits Of Using Mvc?

There are two key advantages of using MVC

•As the code is moved behind a separate class file, you can use the code to a wonderful quantity

•As behind code is genuinely moved to.NET elegance, it's miles possible to automate UI checking out. This offers an opportunity to automate manual trying out and write unit exams.

Q23. What Are The Benefits Of Using Mvc?

There are  huge blessings of MVC:-Separation of issues is performed as we're shifting the code behind to a separate elegance file. By moving the bindingcode to a separate elegance record we will reuse the code to a great quantity.Automated UI testing is possible because now the at the back of code (UI interplay code) has moved to a easy.NET magnificence.This offers us opportunity to jot down unit exams and automate manual trying out

Q24. Explain What Is The Difference Between View And Partial View?

View :

It includes the layout web page

Before any view is rendered, viewstart web page is rendered

View would possibly have markup tags like frame, html, head, name, meta and so on.

View is not light-weight as compare to Partial View

Partial View :

It does not include the layout page

Partial view does not verify for a viewstart.Cshtml. We can't positioned not unusual code for a partial view in the viewStart.Cshtml.Web page

Partial view is designed specially to render within the view and just due to that it does now not consist any mark up

We can pass a ordinary view to the RenderPartial technique

Q25. Explain How You Can Implement Ajax In Mvc?

In Ajax, MVC may be carried out in two methods

•Ajax libraries

•Jquery

Q26. Mention What Does Model-view-controller Represent In An Mvc Application?

In an MVC model,

•Model– It represents the application data domain. In other phrases programs enterprise good judgment is contained within the model and is responsible for retaining records

•View– It represents the user interface, with which the quit users communicates. In quick all of the user interface good judgment is contained in the VIEW

•Controller– It is the controller that wers to user moves. Based at the user actions, the respective controller responds inside the version and select a view to render that show the consumer interface.  The consumer input logic is contained with-inside the controller

Q27. Mention What Is The Difference Between Temp Data, View, And View Bag?

•Temp facts: It facilitates to preserve information whilst you shift from one controller to different controller.

•View facts: It allows to maintain records when you circulate from controller to view

•View Bag: It’s a dynamic wrapper around view records

Q28. How Can We Navigate From One View To Other View Using Hyper-hyperlink?

By using “ActionLink” method as shown within the beneath code. The under code will create a easy URL which assist tonavigate to the “Home” controller and invoke the “GotoHome” action.

<%= Html.ActionLink("Home","Gotohome") %>

Q29. How Can We Restrict Mvc Actions To Be Invoked Only By Get Or Post?

We can beautify the MVC motion with the aid of “HttpGet” or “HttpPost” characteristic to restriction the kind of HTTP calls. For instanceyou can see inside the under code snippet the “DisplayCustomer” action can most effective be invoked through “HttpGet”. If we strive tomake Http post on “DisplayCustomer” it will throw an mistakes.

[HttpGet]

public ViewResult DisplayCustomer(int identity)

Customer objCustomer = Customers[id];

return View("DisplayCustomer",objCustomer);

 

Q30. Mention What Is The Use Of The Default Route resource.Axd/*pathinfo?

This default course prevents request for an internet aid report consisting of Webresource.Axd or ScriptResource.Axd from being passed to the controller.

Q31. Mention Two Instances Where Routing Is Not Implemented Or Required?

Two instance in which routing is not required are

•When a bodily file is discovered that matches the URL pattern

•When routing is disabled for a URL pattern

Q32. Explain How Routing Is Done In Mvc Pattern?

There is a collection of routes called the RouteCollection, which consists of registered routes inside the application.The RegisterRoutes technique statistics the routes in this series.  A course defines a URL sample and a handler to use if the request suits the pattern. The first parameter to the MapRoute method is the call of the direction. The 2nd parameter might be the sample to which the URL suits.  The 1/3 parameter is probably the default values for the placeholders if they're now not decided.

Q33. Mention What Filters Are Executed In The End?

In the stop “Exception Filters” are done.

Q34. Mention The Advantages And Disadvantages Of Mvc Model?

Advantages:

It represents clear separation among commercial enterprise good judgment and presentation good judgment

Each MVC item has special obligations

The improvement progresses in parallel

Easy to manage and maintain

All lessons and object are impartial of each different

Disadvantages:

The version pattern is little complex

Inefficiency of statistics get admission to in view

With modern-day person interface, it is hard to use MVC

You want a couple of programmers for parallel improvement

Multiple technologies knowledge is needed
 

 

Q35. Name A Few Different Return Types Of A Controller Action Method?

The following are only some go back styles of a controller movement method. In preferred an movement method can go back an example of a any elegance that derives from ActionResult magnificence.

@ViewResult

@JavaScriptResult

@RedirectResult

@ContentResult

@JsonResult

 

Q36. How Can We Maintain Session In Mvc?

Sessions may be maintained in MVC via three approaches tempdata ,viewdata and viewbag