• by WorkHub Chania
• 0 Comments

15 Essential ASP NET MVC Interview Questions and Answers

The ValidationSummary can be used to display all the error messages for all the fields. The following figure shows how ValidationSummary displays the error messages. The ValidationSummary helper method generates an unordered list of validation messages that are in the ModelStateDictionary object. OutputCache mvc programmer 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 generates a view that displays the label and an input field of the each property of the Model in the MVC framework.

• Here the view page is retrieved from the cache instead of invoking the controller method and doing redundant work.
• He is having more than 16 years of working experience as a freelance technical writer on creating keyword-rich content for clients in various technology.
• In action methods, we need to retrieve data from requests to be used by the data.
• There are several kinds of .net MVC interview questions, many of which we’ve explained above.
• Also we can create our own helper methods to generate custom HTML.
• This validation can be added for both the client side and the server side.

Once the user enters email, and password and clicks on submit, then the action is passed in mvc_servlet where email and password are passed. In order to send the result back in JSON format in MVC, you can use “JSONRESULT” class. With a modern user interface, it is difficult to use MVC. POST is used to submit data to be processed to a specified resource.

Q3. Enumerate the different MVC components and describe the role of each component.

Model–view–controller is a software architectural pattern for implementing user interfaces. In action methods, we need to retrieve data from requests to be used by the data. In MVC, model binding maps data from HTTP request to action method parameters. This task of retrieving data from HTTPRequest is repetitive and is removed from the action method. There are total nine return types to return results from controller to view. But HTML helpers are more lightweight compared to web controls as it does not hold view state and events. Custom HTML Helpers also can be created by overriding “HtmlHelper” class.

Asynchronous actions won’t block the executing thread if it waits for an I/O operation. Using asynchronous actions can increase the throughput of a system if you use such a pattern for I/O operations, but it won’t help with CPU-bound operations. You can create a custom exception filter to intercept and https://remotemode.net/ log unhandled exceptions. This is a good approach for applications without specific requirements for a URL scheme. Toptal sourced essential questions that the best ASP.NET MVC developers and engineers can answer. Driven from our community, we encourage experts to submit questions and offer feedback.

ASP.NET MVC Interview Questions

I add an error message on ModelState with a key and that message will be shown on the view whenever the data is not to be validated in the model. MVC Routing uses the URL in the ASP.NET MVC framework by mapping action methods and controllers rather than applying any physical files into the system. The MVC architectural pattern separates an application into three components – Model, View, and Controller.

• As a result, if a URL that returns a partial view is directly invoked from the address bar of a browser, an incomplete page may be displayed.
• If you are a fresher and want to study the basics, you can study MVC from our .NET programming certification training course.
• WebAPI is the technology by which you can expose data over HTTP following REST principles.
• This page is used to make sure common layout page will be used for multiple views.
• The scaffolding will be knowing the naming conventions used for models and controllers and views.
• Web config file is specific to web application whereas Machine config file is specific to machine or server.

Those given above are some of the major considerations for hiring an ASP.NET MVC developer. If there are any additional insights that you have gained through your experience of hiring ASP.NET MVC developers, please share them with us in the comments section below. And if not found the one with your desired skill set you can request iMocha to create for you.