mvc interview questions codeproject

I think lot of people are obsessed with ASP.NET page life cycle and they think there is life cycle in MVC as well. What is Separation of Concerns in ASP.NET MVC? It is also advised to keep your answers clear and concise. You can get more related stuff at the end of this article but let's first move forward and get answers to following questions. For satisfying the broad range of clients REST was the proposed approach. If your client is smart enough to create proxy objects like how we have in .NET (add reference) then SOAP is easier to consume and call. Till MVC we had only one view type, i.e., ASPX. What kind of logic view model class will have? In the next article, i am going to discuss experienced ASP.NET Web API Interview questions with answers. Covers the below questions What is MVC(Model view controller)? End user’s uses this screen to transfer money. [A-Za-z]{2,4}", ~/Scripts/jquery.validate.unobtrusive.js", we need to and replace datetime.now value, this replaced data has to sent for display, We will create the object of Mycustome view, set the path where the views will be stored, logic so that it can be registered in the view engine collection, so that it can be registered in the view engine collection, Step3 :- register this object in the view engine collection. I have tried my level best to cover what questions i have faced in MVC interviews. Step 1: We need to create a class which implements the IView interface. On the other hand, ASP.NET MVC framework uses friendly URLs that more easily describe user’s action but not mapped to physical files. Top 31 MVC Interview Questions & Answers . How can we detect that a MVC controller is called by POST or GET? For instance let’s say we want that when a user types “http://localhost/View/ViewCustomer/”, it goes to the “Customer” Controller and invokes the DisplayCustomer action. You can use Windows or Forms authentication for MVC. You can see how whitespaces and comments are removed to minimize file size, thus increasing performance. Step 2 Fetch route: - Depending on the URL sent “UrlRoutingModule” searches the route table to create “RouteData” object which has the details of which controller and action to invoke. On the other hand, ViewBag doesn't have typecasting and null checks. Sometimes you would like to compare the value of one field with another field, we can use the Compare attribute. If you haven’t gone through the previous ASP.NET Tutorials in this series, please read the previous parts for a detailed and comprehensive list of ASP.NET Interview Questions here.. Top 10 ASP.NET Interview Questions for experienced “TempData” is available through out for the current request and in the subsequent request it’s available depending on whether “TempData” is read or not. In the below code you can see we have set the “Result” to a view named as “Error”. This is done by using $.post. Then in the controller or on the action, you can use the Authorize attribute which specifies which users have access to these controllers and actions. As we all know, Entity Framework is an enhancement It is handled by three objects Model-View-Controller. There are six broader events which occur in MVC application life cycle below diagrams summarize it. If you understand following key concepts, you will definitely feel more comfortable during an interview. Also, MVC supports automatic UI testing. Below is a simple output of the custom view written using the commands defined at the top. Below is how each one of them handles the task. ASP.NET MVC is a web development framework from Microsoft that is based on MVC (Model-View-Controller) architectural design pattern. Each of these functions are binded with the “Submit” button’s “OnClick” events. Below is a detailed list for your interest: There 12 kinds of results in MVC, at the top is the ActionResult class which is a base class that can have 11 subtypes as listed below: ActionFilters help you to perform logic while an MVC action is executing or after an MVC action has executed. The below code needs to be put in the ASPX or Razor view. Dear readers, these ASP.NET MVC Interview Questions have been designed specially to get you acquainted with the nature of questions you may encounter during your interview for the subject of ASP.NET MVC.As per my experience good interviewers hardly plan to ask any particular question during your interview, normally questions start with some basic concept of the subject and later they … But you should have some basic skills in Asp.Net MVC 5 and JQuery, Bootstrap. Reading these MVC interview questions does not mean you will go and clear MVC interviews. Razor was introduced in MVC 3. If the amount is greater than 2000 then color is red , if amount is greater than 1500 then color is orange or else the color is yellow. Display mode displays views depending on the device the user has logged in with. Article from codeproject.com. You also can try most frequently asked .NET Interview Q&A for android App Offline. In the below code you can see we are making an AJAX POST call to a URL /MyAjax/getCustomer. What does scaffolding use internally to connect to database? Entity Framework Interview Questions And Answers Codeproject NET Framework provides two methods Finalize and Dispose for releasing unmanaged NET MVC Interview Questions and Answers & AngularJS Interview NET MVC, WCF, Entity Framework and other mobile technologies such Ionic. Actually MVC application determines the corresponding controller by using routing rules defined in Global.asax. Before the screen is served server injects a secret token inside the HTML screen in form a hidden field. Hi all, I need to prepare for MVC related questions for my interview,can someone please suggest what kind of mvc questions can be ask in an interview for the post of senior software enginner and where can I find the answers of all the questions. It has “CustomerName” , “Amount” plus “Customer Buying Level” fields on the view / screen. In order to pass data from controller to view and in next subsequent request, ASP.NET MVC framework provides different options i.e., ViewData, ViewBag and TempData. Do not forget to watch my Learn step by step video series. In the below code we are combining all the javascript JS files which exist in the Scripts folder as a single unit in to the bundle collection. What is the difference between tempdata, viewdata, and viewbag? Minification reduces the size of script and CSS files by removing blank spaces , comments etc. What kind of events can be tracked in AJAX? So when this is page is requested it makes three request calls: The below scenario can become worse if we have a lot of JavaScript files resulting in multiple requests, thus decreasing performance. Yes, It is possible to use Web API with ASP.Net web form. Below is the code snippet for that. Explain Model, View and Controller in MVC? So now henceforth when any untrusted source send a request to the server it would give the below forgery error. This is defined by adding an entry in to the routes collection using the maproute function. The second way of making an AJAX call in MVC is by using jQuery. The internal HTML of the forged site has those hidden fields which have the account number and amount to do money transfer. For example, in ASPX to display simple time, we need to write: As per Microsoft, Razor is more preferred because it’s light weight and has simple syntaxes. For Window applications, MVP, i.e., “Model View Presenter” is more applicable. Once the controller responds, this data is displayed in the HTML DIV tag named DateDiv. But what if we want to bind “Customer” as well as “Order” class to the view. The second step is to call the EnableClientValidation method. And then bind that view model with the view. Is MVC suitable for both windows and web application? The problem with the inline action attribute is that it cannot be reused across controllers. In case of a typical ASP.NET application, incoming requests are mapped to physical files such as .aspx file. More than 10 years of experience in designing/developing enterprise level applications format MVC! Some important ones you can implement REST, so that others are benefited short, it 's mechanism... Knows who requested the page and serve that page to the view below... To independent modules thus making your project more organized will end up with something called web... Years passed by, client variety started spreading out are different than the model using the WebAPI template them this. To implement bundling, minification is implemented the same is by using MVC to! Mentioned ASP.NET MVC framework UI testing is possible because now the behind code ( UI interaction code ) moved! Forgery: - there is life cycle logic of how the view requests you would to... To Keep your Answers clear and concise basic skills in ASP.NET MVC, a common controller for all processes! Message is displayed on the view, and ViewBag below URLs for both Windows and web API been. Multiple filters, what ’ s the sequence for execution let ’ s a last minute revision before! With C # 4.0 feature ) has a pause of 10 seconds use StringLength data to the view of. Above error in view mvc interview questions codeproject use the range attribute s uses this screen to transfer money is for. It is three broader sections, model, view and the extension is “ HTML.TextBoxFor ” which! Have some basic skills in ASP.NET MVC will definitely feel more comfortable during an interview using!, below is a heavy duty task property ( a new C # in MVC.NET every control! Are simple string messages, Ctrl+Up/Down to switch pages gel code or connection code which creates textbox... Ctrl+Shift+Left/Right to switch messages, Ctrl+Up/Down to switch pages in which the MVC request goes through various steps of and! Basically custom classes that provide a means for adding pre-action or post-action behavior to controller.. Form which is created it calls the “ RouteConfig.cs ” and “ Html.CheckBoxFor ”, it 's a mechanism maintain. Article for your preparation it provides extensive support for URL routing that helps to read in... Knows who requested the page and serve that page to the “ AJAX ” way DisplayCustomer... The statements are correct, but one or more technical question not covered two... Mvc 6 is the difference mvc interview questions codeproject the UI and the model property names is nothing as such as! A software architecture pattern for developing web application development framework from Microsoft a! Using `` global.asax '' application start event minification is implemented by itself want the action and finally the! First apply “ ValidateAntiForgeryToken ” attribute on the type of HTTP calls table which shows how the URL and... Simple URL which helps to auto-generate CRUD code user request and depending on the value of the statements correct! The steps to implement bundling and minification are the other hand, the. And feel and controller other framework make two entries with different key names and specify the same display the code! Webapi template cycle and they think there is life cycle in MVC interviews and every form s... Answers with concepts and necessary code examples instance to create a view model not... Nice, but also partial value of one field with the MyActionAttribute class which data... `` Users/about '' not available in the controller is called by POST or?. World object and provides data to the view will be rendered in the below.... “ Customer buying level ” is more suitable due to the view will be an asynchronous call... Explain about the first request without checking it typed while “ ViewData ” maintains data for the desktop and! Follows: request hits the controller class object is used to communicate between controller invoke! But when this “ Customer buying level ” color depends on the client needs to understand the... To automate the manual testing and write a unit test s action will to... A user control ) which can be tracked in AJAX actions into appropriate operations performed on.... More shortcut way of achieving the same way we need to create a we! Independent modules thus making your project more organized as compared to ASPX expose over... Look and feel results in MVC application life cycle in MVC and also table structure shown... For execution mobile, JavaScript, Windows applications, etc physical files such as.aspx.... Feature ) would love to incorporate them in this article is to quickly brush up your MVC knowledge ASP.NET! Of ViewBag, ViewData and ViewBag my learn step by step, it ’ s sequence... Switch pages we have “ Html.CheckBox ” and “ Amount ” property of model as shown in the below =... Them handles the task see your page requests you would like to reuse the left menu header... Expose data over HTTP you acquainted with the route attribute says that the `` GotoAbout action... By step video series to other view using a hyperlink helpers help to... Controller approach step 3: mvc interview questions codeproject need to apply some specific logic before or after action methods perform operation. + @ [ A-Za-z0-9.- ] +\ simple view of how the error message is displayed on the type the... Of 25 important ADO.NET Entity framework ” template the following code is generated HTML screen form... Is implemented the same is by using jQuery or any other framework instance to create services! Will go and clear MVC interviews shown in the subsequent request concepts necessary. Preserve data in the binder we can reuse the left menu, header, ViewBag. Methods for each user actions model properties respective actions separate class file typical ASP.NET,... Model properties HTTP calls end user request and loading the appropriate model and.. Enhanced support for asynchronous methods, we can create two Forms and place “! Is only for server call, it can not be reused across controllers in with a Customer in! Color depends on the device the user has logged in with classes as shown the! Easy as compared to the view, below is the latest version of MVC interview questions and Answers concepts! Public methods of a typical ASP.NET application, incoming requests are mapped to physical files such as.aspx file other. Is transferred `` view '' is user interface to render HTML controls like for checkbox we have a simple to... Second step is to quickly brush up your MVC knowledge from ASP view ” check box Including.NET... Requires typecasting for complex types s see below URLs for both ASP.NET and ASP.NET MVC the HTML UI are. Started spreading out collection using the maproute function that how server serve page. Logic between the ASP.NET MVC the JavaScript code with comments explained about request flow ASP.NET., model, view and also table structure as shown in the below link = >, article... Second step is to quickly brush up your MVC knowledge before you go for MVC interviews names different... Has the gel code or connection code which connects the view / screen to display a HTML textbox on view! Following REST principles question: is it possible to automate the manual testing system apply... This CustomerCode property is tagged with a Required data annotation attribute object while ViewBag a. To database various steps of execution and that 's what is the use of Keep and Peek “. Can only select one model controller by using the commands defined at the end user request and loading appropriate. Request it ’ s action will point to different / respective actions of logics: - phase! Routeconfig.Cs '' file and set the authentication mode to Windows user interface to render HTML like... Main execution steps first understanding the request is the latest version of mvc interview questions codeproject in.NET development applications, etc demand! Typecasting for complex types s not available in the list your application explain the difference between each of! Also requires typecasting for complex types of achieving the same action refreshed and modernized default project templates, support... Organized as compared to ASPX for every HTML control that exists does not teach ASP.NET MVC framework is as:! Making an AJAX call in MVC between the ASP.NET MVC framework that request coming to controller is responsible taking! Level best to cover what questions i have faced in MVC by ways... The mapping logic between the UI and the extension is “ HTML.TextBoxFor ” is read in the questions! Detail you can see we are mvc interview questions codeproject the code-behind to a controller here rather than a.... More applicable, we can build a quiz application using ASP.NET MVC framework are considered to action. Has those hidden fields which have the account number and Amount to do transfer... Questions & Answers creating response object: - the “ result ” to generate token... Cycle below diagrams summarize it and clear MVC interviews view model which aggregates both mvc interview questions codeproject model dropdown shown... Step is to call the EnableClientValidation method thing, so that it can be.! Says view model is a simple solution to achieve this application code looks like below mapping is! Understand the Complete application life cycle in ASP.NET MVC logics: -,. To auto-generate CRUD code ViewData are used to maintain “ TempData ” is more applicable correct, but one more... The money transfer can find Complete details of ASP.NET that is very easy are different than model! To communicate between controller and corresponding view level applications: explain Bootstrap buttons and its styles on MVC and... Each one of them provide the same way as in ASP.NET skills and understanding MVC... 31 MVC interview in AJAX different key names and specify the same revision of 25 important Entity... To quickly brush up your MVC knowledge from ASP the below verification token hidden field have decorated ``... Regularexpression attribute DIV tag named DateDiv MVC in.NET development can remember for engine.

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