Mvc Interview Questions And Answers Pdf Shivprasad Koirala

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Feel of parallelism means you execute multiple tasks on the same core and the core switches context between tasks and serves them. Mapping to the real world the left image depicts parallelism the right image depicts concurrency. In order to achieve actual parallelism we need dedicated cores, separate memory and so on.

Explain MVC application life cycle? In this article we will explain MVC application life cycle. For more articles and videos visit us on www. Read More.

ASP.NET MVC Interview Questions with Answers

What is MVC Model view controller? Can you explain the complete flow of MVC? Is MVC suitable for both windows and web application? What are the benefits of using MVC? Is MVC different from a 3 layered architecture?

What is the latest version of MVC? What is the difference between each version of MVC? What are routing in MVC? Where is the route mapping code written? Can we map multiple URLs to the same action? How can we navigate from one view to other view using hyperlink? How can we maintain session in MVC? What is the difference between tempdata,viewdata and viewbag? What are partial views in MVC? How did you create partial view and consume the same?

How can we do validations in MVC? Can we display all errors in one go? How can we enable data annotation validation on client side? What is razor in MVC? Why razor when we already had ASPX? How can you do authentication and authorization in MVC? How to implement windows authentication for MVC? How do you implement forms authentication in MVC? How to implement Ajax in MVC?

What kind of events can be tracked in AJAX? What is the difference between ActionResult and ViewResult? What are the different types of results in MVC? Can we create our custom view engine using MVC? What is WebAPI? MVC is architectural pattern which separates the representation and the user interaction.

Its divided in three broader sections, Model, View and Controller. Below is how each one of them handles the task. The View is responsible for look and feel. Model represents the real world object and provides data to the View. The Controller is responsible to take the end user request and load the appropriate Model and View.

Below are the steps how control flows in MVC Model, view and controller architecture All end user requests are first sent to the controller. The controller depending on the request decides which model to load. The controller loads the model and attaches the model with the appropriate view. The final view is then attached with the model data and sent as a response to the end user on the browser. MVC architecture is suited for web application than windows.

For window application MVP i. Model view presenter is more applicable. There are two big benefits of MVC:Separation of concerns is achieved as we are moving the code behind to a separate class file. By moving the binding code to a separate class file we can reuse the code to a great extent. Automated UI testing is possible because now the behind code UI interaction code has moved to a simple. NET class. This gives us opportunity to write unit tests and automate manual testing. MVC is an evolution of a 3 layered traditional architecture.

Many components of 3 layered architecture are part of MVC. So below is how the mapping goes. User interface. Middle layer User interface Data access layer. Model view controller architecture View. Controller Model. Data access layer. When this note was written, four versions where released of MVC. So the latest is MVC 4. Below is a detail table of differences. But during interview its difficult to talk about all of them due to time limitation. So I have highlighted important differences which you can run through before the interviewer.

This is defined by adding an entry in to the routes collection using the maproute function. Below is the under lined code which shows how the URL structure and mapping with controller and action is defined. The route mapping code is written in the global. Yes , you can , you just need to make two entries with different key names and specify the same controller and action. By using ActionLink method as shown in the below code. For instance you can see in the below code snippet the DisplayCustomer action can only be invoked by HttpGet.

If we try to make Http post on DisplayCustomer it will throw an error. Sessions can be maintained in MVC by 3 ways tempdata ,viewdata and viewbag. Figure:- difference between tempdata , viewdata and viewbag Temp data: -Helps to maintain data when you move from one controller to other controller or from one action to other action.

In other words when you redirect,tempdata helps to maintain data between those redirects. It internally uses session variables. View data: - Helps to maintain data when you move from controller to view. View Bag: - Its a dynamic wrapper around view data. When you use Viewbag type casting is not required. It uses the dynamic keyword internally. Figure:-dynamic keyword Session variables: - By using session variables we can maintain data from any entity to any entity.

Below is a summary table which shows different mechanism of persistence. Partial view is a reusable view like a user control which can be embedded inside other view. For example lets say all your pages of your site have a standard structure with left menu, header and footer as shown in the image below. Figure:- partial views in MVC For every page you would like to reuse the left menu, header and footer controls.

So you can go and create partial views for each of these items and then you call that partial view in the main view. When you add a view to your project you need to check the Create partial view check box. Figure:-createpartialview Once the partial view is created you can then call the partial view in the main view using Html. RenderPartial method as shown in the below code snippet. One of the easy ways of doing validation in MVC is by using data annotations.

Data annotations are nothing but attributes which you can be applied on the model properties. For example in the below code snippet we have a simple customer class with a property customercode.

ThisCustomerCode property is tagged with a Required data annotation attribute. In other words if this model is not provided customer code it will not accept the same. In order to display the validation error message we need to use ValidateMessageFor method which belongs to the Html helper class.

IsValid property and accordingly we can take actions. If you want to check string length, you can use StringLength. ErrorMessage; If you have created the model object yourself you can explicitly call TryUpdateModel in your controller to check if the object is valid or not.

Its a two-step process first reference the necessary jquery files. Its a light weight view engine. Till MVC we had only one view type i. Razor is clean, lightweight and syntaxes are easy as compared to ASPX. For example in ASPX to display simple time we need to write.

C# and .NET step by step with interview questions Shivprasad Koirala

Explain MVC application life cycle? In this article we will explain MVC application life cycle. For more articles and videos visit us on www. Read More. In this article we will explain.

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Interview Questions Book for ASP.NET

This article does not teach Asp. If you want to learn MVC 5 in a short time i. I have tried my level best to cover what questions i have faced in MVC interviews. But i feel the below questions are not enough and in real MVC interview's much more is asked.

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Explain MVC application life cycle? In this article we will explain MVC application life cycle. For more articles and videos visit us on www.

Explain MVC application life cycle? In this article we will explain MVC application life cycle. For more articles and videos visit us on www. Read More. In this article we will explain.

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What is MVC Model view controller? Can you explain the complete flow of MVC? Is MVC suitable for both windows and web application? What are the benefits of using MVC? Is MVC different from a 3 layered architecture?