MVC Interview questions and answers PDF. Covers the below questions What is MVC(Model view controller)? Can you explain the complete flow of MVC?. Latest 50 MVC Interview Questions, You can crack the interview to achieve your homeranking.info Provide Tutorial Videos Scenario based interview Questions. Mostly questions based on the very foundations and basic Posted in Interview Questions, Download MVC interview questions PDF.
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NET MVC Interview Questions have been designed specially to get Net MVC is a pattern which is used to split the application's implementation logic into three. NET MVC Interview Questions and Answers. All rights reserved. No part of this book can be reproduced or stored in any retrieval system, or transmitted in any. NET MVC is one of the most popular development frameworks for Web applications. In this article, I'll list top homeranking.info MVC Interview Questions.
Nice Que Ans, very use full and Easy to understand, thanks. If you're planning to attend a. What are the ways to pass data from view to controller in MVC? Data annotations are nothing but attributes which you can be applied on the model properties. We can create an application with unit test. Net MVC 2.
Razor is the new view engine introduced by MVC 3. These MVC interview questions and answers are curated from various sites to ensure that the reader is exposed to a variety of questions.
Mostly questions based on the very foundations and basic procedures are asked at most interviews.
As a developer, one is expected to know all about the various terminologies in ASP. Additionally, questions based on real-life applications, syntax and codes and methods for implementing any source code might also be asked in interviews depending on the designation.
Answering these questions with real-world applications would be enough to demonstrate the knowledge of the interviewee and one can also enrich their replies with their own experiences. MVC interview questions Last Updated: Mar 24, , Posted in Interview Questions, 32 Questions. What are the Main Razor Syntax Rules?
Following are the rules for main Razor Syntax: What are the types of filters? Action Filters: Action filters are used to implement logic that gets executed before and after a controller action executes. We will look at Action Filters in detail in this chapter. Authorization Filters: Authorization filters are used to implement authentication and authorization for controller actions. Result Filters: Result filters contain logic that is executed before and after a view result is executed.
For example, you might want to modify a view result right before the view is rendered to the browser. Exception Filters: Exception filters are the last type of filter to run. You can use an exception filter to handle errors raised by either your controller actions or controller action results. What are the Filters in MVC? There are the following approaches, which are used to connect the database with the application.
What are the advantages of MVC? Benefits or advantages of MVC are as follows: Multiple view support: Due to the separation of the model from the view, the user interface can display multiple views of the same data at the same time. Change Accommodation: Separation of Concerns is one of the core advantages of ASP. More Control: The ASP. Mention what is the difference between ViewData and ViewBag?
ViewData ViewData is used to pass data from a controller to view. It is derived from ViewDataDictionary class.
It is available for the current request only. Requires typecasting for complex data type and checks for null values to avoid error.
If redirection occurs, then its value becomes null. ViewBag ViewBag is also used to pass data from the controller to the respective view. ViewBag is a dynamic property that takes advantage of the new dynamic features in C 4. Define attribute based routing in MVC?
What does the MVC pattern define with 3 logical layers? The MVC model defines web applications with 3 logic layers: What is Razor in MVC? Subscribe Our NewsLetter. Mvc assembly. It contains the classes and interfaces which supports the MVC functionality.
Mvc is the namespace which contains the classes used by the MVC application. Dot Net Interview Question. Model—view—controller MVC is a software architectural pattern for implementing user interfaces. It divides a given software application into three interconnected parts, so as to separate internal representation of information from the way that information is presented to or accepted from the user. The Model represents the application core for instance a list of database records.
The View displays the data the database records. The Controller handles the input to the database records. The business layer Model logic The display layer View logic The input control Controller logic The Model is the part of the application that handles the logic for the application data.
The View is the part of the application that handles the display of the data. The Controller is the part of the application that handles user interaction. Typically controllers read data from a view, control user input, and send input data to the model. The MVC separation helps you manage complex applications, because you can focus on one aspect a time. For example, you can focus on the view without depending on the business logic.
It also makes it easier to test an application. The MVC separation also simplifies group development. Different developers can work on the view, the controller logic, and the business logic in parallel. Answe r: Action Filters are additional attributes that can be applied to either a controller section or the entire controller to modify the way in which action is executed. These attributes are special. NET classes derived from System.
Attribute which can be attached to classes, methods, properties and fields.
Dot Net Training. Razor is not a new programming language itself, but uses C syntax for embedding code in a page without the ASP. NET delimiters: It is a simple-syntax view engine and was released as part of ASP. Page class. NET Web applications. You add scaffolding to your project when you want to quickly add code that interacts with data models. Using scaffolding can reduce the amount of time to develop standard data operations in your project. Scaffolding consists of page templates, entity page templates, field page templates, and filter templates.
These templates are called Scaffold templates and allow you to quickly build a functional data-driven Website. It enables us to cache the content returned by any controller method so that the same content does not need to be generated each time the same controller method is invoked. Output Caching has huge advantages, such as it reduces server round trips, reduces database server round trips, reduces network traffic etc. RenderSection is a method of the WebPageBase class.
The second parameter is optional, and allows us to define whether the section we are rendering is required or not. It returns the HTML content to render. Below are the processed followed in the sequence — App initialization Routing Instantiate and execute controller Locate and invoke controller action Instantiate and render view.
This is useful in Ajax scenarios like client templates and data binding that need to post data back to the server. Can a view be shared across multiple controllers? If Yes, How we can do that? Yes, we can share a view across multiple controllers. When we create a new 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. MVC works in this style. Display Templates — These are model centric.
Meaning it depends on the properties of the view model used. It uses convention that will only display like divs or labels. Edit Templates — These are also model centric but will have editable controls like Textboxes. CategoryViewModel has Product class property then it will be rendered as Model. Products works and it renders the template for each item of this list. The strength of MVC i. Net MVC is listed below, that will answer this question MVC reduces the dependency between the components; this makes your code more testable.
Bundling and Minification is used for improving the performance of the application. Bundling reduces the number of HTTP requests made to the server by combining several files into a single bundle. Minification reduces the size of the individual files by removing unnecessary characters. There are total nine return types we can use to return results from controller to view.
ViewResult View: This return type is used to return a webpage from an action method. PartialviewResult Partialview: This return type is used to send a part of a view which will be rendered in another view. RedirectResult Redirect: This return type is used to redirect to any other controller and action method depending on the URL.
A route is a URL pattern that is mapped to a handler. The handler can be a physical file, such as a. A handler can also be a class that processes the request, such as a controller in an MVC application.
To define a route, you create an instance of the Route class by specifying the URL pattern, the handler, and optionally a name for the route. Informatica Training Videos.
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. You typically do not have to write code to add routes in an MVC application. These are defined in the Mvc Application class, which is defined in the Global. Most commonly, partial views are used to componentize Razor views and make them easier to build and update.
Partial views can also be returned directly from controller methods. 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. This may be something like a page that misses title, script and style sheets. Partial view is a reusable view like a user control which can be embedded inside other view. From ASP. Net MVC 2. 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. Allows us to organize models, views and controllers into separate functional sections of the application, such as administration, billing, customer support and much more. Easy to integrate with other Areas created by another. Easy for unit testing. Below is the sample code snippet to demonstrate more —.
This method does not return anything void. This method also does not depend on action methods. Below is the sample code snippet. Create a simple class and extend it from Controller class.
The bare minimum requirement for a class to become a controller is to inherit it from ControllerBase is the class that is required to inherit to create the controller but Controller class inherits from ControllerBase. The browser generates the request in which the information like Controller name, Action Name and Parameters are provided, when server receives this URL it resolves the Name of Controller and Action, after that it calls the specified action with provided parameters.
Action normally does some processing and returns the ViewResult by specifying the view name blank name searches according to naming conventions. RenderBody is like ContentPlaceHolder in web forms.
Layout page will have only one RenderBody method. Below are the methods used to render the views from action —. View — To return the view from action.
PartialView — To return the partial view from action. RedirectToAction — To Redirect to different action which can be in same controller or in different controller. Action Result is used to represent the action method result. Below are the subtypes of ActionResult —. Component Model. These attributes will be used for server-side validation and client-side validation is also supported.
Four attributes — Required, String Length, Regular Expression and Range are used to cover the common validation scenarios. It assures that the correct user is authenticated or logged in for a specific service and the right service has been provided to the specific user based on their role that is nothing but authorization. You can configure forms authentication by using forms element with in web. The default attribute values for forms authentication are shown below:.
The value of authentication cookie contains a string representation of the encrypted and signed Forms Authentication Ticket object. NET Web Forms. In this article I go through the Razor View Engine to create a view of an application. Scaffolding is a code generation framework for ASP. Skip to content 1.
Why to use Html. Partial in MVC? We can use this like below 3.