Top 80 NET Interview Questions & Answers in 2023

You will edit a code file and can then see the changes by refreshing the browser without stopping or rebuilding the project. POST is used to submit data to be processed to a specified resource. With all the POST requests we pass the URL which is compulsory and the data, however it can take the following overloads. The Views folder stores the files related to the display of the application . These files may have the extensions html, asp, aspx, cshtml, and vbhtml, depending on the language content.

TThe Controller controls the input and events from the user. It is created by Microsoft to provide Internet-based services to ASP.NET Web applications. Further you can go through your past assignments you have done with the subject and make sure you are able to speak confidently on them. If you are fresher then interviewer does not expect you will answer very complex questions, rather you have to make your basics concepts very strong. When we create a new ASP.Net MVC Project we can see the Layout page will be added in the shared folder, which is because it is used by multiple child pages.

Asp.net Interview Question

The MVC Model contains all application logic , except pure view and controller logic. With MVC, models both hold and manipulate application data. The Controllers Folder contains the controller classes responsible for handling user input and responses. MVC requires the name of all controllers to end with “Controller”. Let’s get some understanding of the remote attribute used, so the very first parameter “CheckExistingEmail” is the the name of the action. Let’s implement the “CheckExistingEmail” action result in our home controller. Allows us to organize models, views and controllers into separate functional sections of the application, such as administration, billing, customer support and much more.

When you add an area to a project, a route for the area is defined in an AreaRegistration file. The route sends requests to the area based on the request URL. To register routes for areas, you add code to theGlobal.asax file that can automatically find the area routes in the AreaRegistration file. You typically do not have to write code to add routes in an MVC application. Visual Studio project templates for MVC include preconfigured URL routes. These are defined in the MVC Application class, which is defined in the Global.asax file.

What is the commonly observed HTTP response status code?

Or, without mentioning mvc programmerAttribute top of every controllers or every action methods, get the functionality of filter attribute on top of every controllers. Reflection objects in .NET are used to obtain information about loaded assemblies and types, to define and create type instances at runtime, and to invoke and access them. An example use case is when private fields and methods need to be invoked on an instance type. Delegate is a type that can hold a reference to methods with a specific return type or parameter list. This question assesses your comprehension of managed and unmanaged code, as well as your understanding of how .NET distinguishes itself from other programming languages.

The My Interview Practice simulator uses video to record your interview, so you feel pressure while practicing, and can see exactly how you came across after you’re done. You can even share your recorded responses with anyone to get valuable feedback. With interview simulators, you can take realistic mock interviews on your own, from anywhere. If you’re getting ready to interview for a position as a .NET developer, you can prepare by researching the company as much as possible.

.NET Developer Interview Questions

Moreover, events on the view can call “methods” on the scope. The below code snippet gives a simple example of a function. The Controller represents the layer that has the business logic. User events trigger the functions which are stored inside your controller. The Controller processes this request by calling the service methods, and a ModelAndView object is returned by the DispatcherServlet.

The problem is that if the exceptions are not handled, then the default MVC behavior shows the dreaded yellow screen of death. Thus, the exceptions need to be dealt with very carefully.

MVC offers more control, provided through the ASP.NET MVC framework for HTML, CSS, and JavaScript than conventionally used WebForms. You might be asked about this particular advantage through MVC framework interview questions. If you want to brush up with the MVC basics, which I recommend you to do before going ahead with this MVC Interview Questions, take a look at this article on MVC Architecture. His previous position was in a private company working as a senior .NET full-stack developer, software architect, and team leader. RenderAction will call an action method of the current controller and render a result inline.