Top ASP NET MVC Interview Questions and Answers for 2022

Test your applicant’s skills with your own custom test anywhere in the world, any time. Each entry in the tree is called a node and is represented by a TreeNode object. A node that contains other nodes is called a parent node.

asp.net mvc developer interview questions

Once “TempData” is read in the current request, it’s not available in the subsequent request. If we want “TempData” to be read and also available in the subsequent request then after reading we need to call “Keep” method as shown in the code below. There is more to interviewing than tricky technical questions, so these are intended merely as a guide. Not every “A” candidate worth hiring will be able to answer them all, nor does answering them all guarantee an “A” candidate. At the end of the day, hiring remains an art, a science — and a lot of work.

Advantages of the Query string.

They make use of the existing controls to define their own logic. ASP.NET has Server Controls features, Which provide facilities to manipulated values of the controls on the Server-Side. This is especially helpful while we want to create validating and dynamically web forms. It is a design pattern that is used to separate business logic and presentation logic. Today, ASP.NET MVC framework has occupied the web market replacing many competing frameworks with it.

What is MVC pipeline?

ASP.NET MVC is an open source framework built on the top of Microsoft . NET Framework to develop the web application that enables a clean separation of code. ASP.NET MVC framework is the most customizable and extensible platform shipped by Microsoft.

TempData is a dictionary object derived from the TempDataDictionary class. Razor View Engine introduced a new layout named _ViewStart which is applied on all view automatically. Razor View Engine firstly executes https://remotemode.net/ the _ViewStart and then start rendering the other view and merges them. Filters that are created for each foreign key or Boolean fields. Use TempData when you need data to be available for the next request, only.

What is Route Constraints in MVC?

OnFailure – Javascript method name to be given here and this will be called when AJAX request is failed. OnSuccess – Javascript method name to be given here and this will be called when AJAX request is successful. “BundleConfig.cs” in ASP.Net MVC4 is used to register the bundles by the bundling and minification system. Many bundles are added by default including jQuery libraries like – jquery.validate, Modernizr, and default CSS references. Provides a clean separation of concerns among UI , model (Transfer objects/Domain Objects/Entities) and Business Logic . Those given above are some of the major considerations for hiring an ASP.NET MVC developer.

Controls that are not available in the ASP library can be created and registered, known as custom server controls. Mindmajix as a team has got enough questions from the trainees who got their ASP.NET Training and cracked interviews at various MNCs around the world and successfully placed. All the answers to those were written by our professional experienced trainers and are tailored to meet the concepts expected by the interviewer. Action filters implement logic When a controller action executes, and logic gets executed before and after of it. This eliminates the need to include Layout property on each and every view and ensures a common layout page for multiple views. Partial view in MVC is used to render a portion of view content. It is just like a user control in traditional ASP.NET web forms.

What is Output Caching in MVC?

Asp.Net Web forms doesn’t require much prior knowledge of HTML, JavaScript and CSS while Asp.Net MVC requires detailed knowledge of HTML, JavaScript and CSS. ASP.NET Web Forms and MVC are two web frameworks developed by Microsoft.

  • There are the following approaches, which are used to connect the database with the application.
  • The best developers are those who can demonstrate skill in coding and use of resources, like Stack Overflow, to find solutions to the problems they encounter.
  • The session can be maintained in MVC by three ways temp data, viewdata, and view bag.
  • The “default” view engine for ASP.NET MVC uses the same .aspx/.ascx/.
  • It is created by Microsoft to provide Internet-based services to ASP.NET Web applications.

It is helpful when we want to transfer a value from one page to another page. If the sending data is in large quantity then we can not use Request.QueryString because it supports only 255 characters. We use the ‘&’ special character for separate multiple query strings. Any query string that was available to the calling ASPX mvc programmer page will be available to the called ASPX page. The RedirectPermanent method overload gives a 301 HTTP status code in the reaction and incorporates the URL to divert the request. A 301 HTTP status code is a standard code in an HTTP reaction. It shows that a lasting redirection exists, and it gives the redirection area.

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