TOP 50 ASP NET MVC Interview Questions with Answers by Pavithra M Dot Net Tutorial

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. Convention-based https://remotemode.net/ routing – to define this type of routing, we call MapRoute method and set its unique name, URL pattern and specify some default values. Authorization filters are used to implement authentication and authorization for controller actions.

The ASP.NET supports a robust login controls for web-based application which does not require any program coding. The LoginStatus control is a very simple control, all it does is display a link that is different depending on whether the user is logged in or logged out.

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The lifecycle of an MVC application has two execution steps and two main phases. The two execution steps involve understanding the request, then sending out the most appropriate response based on the request type. The two main phases include creating the request object, then sending the response to the browser. Interview questions on MVC can be easy if you prepare well, and that also goes for MVC interview questions and answers for experienced individuals. The lifecycle of an MVC application includes two execution steps and two main phases. The two execution steps involve understanding the request and, secondly, sending out the most appropriate response based on the type of request. The two main phases include creating the request object and, secondly, sending the response to the browser.

The model can be modified via methods defined in the scope, which could be triggered via events from the view. We can define two-way model binding from the scope to the model. The controller’s primary responsibility is to control the data which gets passed to the view. Other apps can also be called the WebAPI methods to fetch that data. You need to include the below MVC assembly references in the web forms application to create a hybrid application. The first parameter to the MapRoute method is the name of the route. The second parameter will be the pattern to which the URL matches.

What are the methods of handling an Error in MVC?

OutputCache label has a “Location” attribute and it is fully controllable. Its default value is “Any”, however there are the following locations available; as of now, we can use any one. It generally creates a View with the help of a HTML table that lists the Models from the Model Collection. It also generates a HTML table column for each property of the Model.

• After posting the page, data from is ViewState is restored.
• You can use an exception filter to handle errors raised by either your controller actions or controller action results.
• For the next two years, he was part of a large and remote scrum team for an enterprise client working with Java technologies and Adobe Experience Manager.
• We have added references to jquery libraries which will be used for DOM manipulation.

With all the GET request we pass the URL which is compulsory, however it can take the following overloads. ViewBag is a dynamic property that takes advantage of the new dynamic features in C# 4.0. TempData is a dictionary object derived from the TempDataDictionary class. Razor View Engine introduced a new layout mvc developer named _ViewStart which is applied on all view automatically. Razor View Engine firstly executes 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 are the built-in objects in ASP.NET?

Instead of using Response.Write(), Trace.Write() is used. The Trace object is an intrinsic page object, similar to Request, Response, Server, etc. To overcome such types of problems Microsoft developed LINQ. It attaches one, more power to the C# or .NET languages to generate a query for any LINQ compatible data source. You can also use LINQ with SQL, with XML files, with ADO.NET, with web services, and with any other database.

• RedirectToAction() — To Redirect to different action which can be in same controller or in different controller.
• Compared to web forms layout offer simple syntax and greater flexibility.
• While answering in an interview, be quick and confident.
• Web services are language-independent, platform-independent, protocol-independent, self-describing and programmable.
• ORM (object-relational mapping) framework is a framework that helps in reducing the amount of handwritten code in a web app.