15 Essential ASP NET MVC Interview Questions and Answers

Most companies hiring .NET developers prefer to conduct technical interview rounds in a controlled environment. The interview can be conducted virtually or physically but candidates shouldn’t be allowed to refer to their notes or research from a third-party source other than what you provide. Many companies hiring .NET developers will initiate the interview process with a suitability https://remotemode.net/ test or introductory call. In the suitability test, you call the candidates, send a form or use other means of communication to ask them a few questions. You can ask one or two technical questions related to .NET to assess the candidate’s suitability. In this section, we will provide tips on how to approach .NET interviews and what to do in terms of format and process.

Unlike code expressions that are evaluated and sent to the response, it is the blocks of code that are executed. This is useful for declaring variables which we may be required to be used later. Once “TempData” is read in the current request, it’s not available in the subsequent request.

Create Restful Web Application With Node.js Express

Regarding .NET Core frameworks, state management is a kind of state control object to control the states of the object during different processes. Since stateless protocol, HTTP has been used, which is unable to retain user values; thus, different methods have been used to store and https://remotemode.net/become-a-net-mvc-developer/ preserve the user data between requests. According to Stackoverflow Survey 2020, developers are using .NET and .NET Core in second and third place respectively, as framework or libraries. Mostly it is the first programming language the programmers learn after the OOPs concepts.

What is MVC life cycle?

The application life cycle refers to the time at which the application process actually begins running IIS until the time it stops. This is marked by the application start and end events in the startup file of your application.

ASP.NET MVC has always supported the concept of “view engines” – which are the pluggable modules that implement different template syntax options. The “default” view engine for ASP.NET MVC uses the same .aspx/.ascx/. In ASP.NET MVC 5.0 we have a new attribute route,cBy using the “Route” attribute we can define the URL structure. For example in the below code we have decorated the “GotoAbout” action with the route attribute. The route attribute says that the “GotoAbout” can be invoked using the URL structure “Users/about”. The easiest way to render an HTML link in is to use the HTML.ActionLink() helper.With MVC, the Html.ActionLink() does not link to a view.

What distinguishes “ActionResult” from “ViewResult”?

This is very necessary for when we want to add a specific constraint to our URL. Routing is a great feature of MVC, it provides a REST based URL that is very easy to remember and improves page ranking in search engines. It generally creates a View with the help of a HTML table that lists the Models from the Model Collection.

Basically, it is responsible for managing the execution of .NET programs regardless of any .NET programming language. It also helps in the management of code, as code that targets the runtime is known as the Managed Code, and code that doesn’t target to runtime is known as Unmanaged code. The technical interview can include several technical questions or scenarios and problem-solving tests. Technical questions usually involve asking the candidate to define key .NET concepts like the CLR, C#, SQL, libraries, OOP, MVC patterns, LINQ, etc. Scenario or problem-solving questions should involve asking for sample code for a programming problem using a specific technology in dotNET. This is a programming feature included in ASP.NET that can best implement user authorization and authentication in ASP.NET web applications.

Intermediate Level MVC Questions

The FormsAuthentication class creates the authentication cookie automatically when SetAuthCookie() or RedirectFromLoginPage() methods are called. The value of authentication cookie contains a string representation of the encrypted and signed FormsAuthenticationTicket object. You add the route to the application by adding the Route object to the static Routes property of the RouteTable class. The Routesproperty is a RouteCollection object that stores all the routes for the application. Typically controllers read data from a view, control user input, and send input data to the model. This was the concrete list of asp net MVC interview questions.

Is it hard to learn MVC?

While as soon as you understand it, there is no problem to learn. But understanding is a real problem given that for ages PHP folks were laboriously misinterpreting this simple pattern. Actually, the whole thing is about a model. It's hard to grasp the idea of the model at first.

Different developers can work on the view, the controller logic, and the business logic in parallel. One of the most common asp net interview questions is based on ViewState. This is because ViewState is stored in a hidden field on the page, which increases its size significantly and impacts the page loading time. If we want to prevent the default nature of a public method of a controller from being treated as an action method, then we assign the NonActionattribute to the public method.

When they are applied at the controller level, then they are applicable for all actions within that controller. Action filters are basically custom classes that provide a means for adding pre-action or post-action behavior to controller actions. This means they allow us to modify the way in which an action is executed. Preparing for an ASP.NET MVC interview requires a strong understanding of MVC architecture, web development concepts, .NET frameworks and libraries, and database technologies. Reviewing these crucial topics and practicing your responses to common interview questions makes you feel more confident and well-prepared for an ASP.NET MVC interview. The URLs in ASP.NET MVC are mapped to action methods and controller instead of physical files of the system.

Tasks, on the other hand, are units of work executed asynchronously. In .NET a task can be executed on a thread which itself is part of a pool. SOAP is a protocol used to exchange structured data over the internet in ASP.NET applications. SOAP utilized XML and supports many communication protocols such as document-style messages and RPC-style calls inside ASP.NET applications. By design .NET Core is said to offer improved performance, scalability and flexibility due to the ability to target multiple platforms, including Windows, Linux, and macOS. In .NET, value types store a direct value in a stack while reference types only indicate or store a reference to a value on a heap.

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