What is the use of FilterConfig in MVC?

FilterConfig.cs- This is used to create and register global MVC filter error filter,action filter etc.By default it contains HandleErrorAttribute filter.

What is filter in MVC with example?

Filters in ASP.NET MVC

Filter Type	Interface	Description
Action	IActionFilter	These Runs before and after the action method.
Result	IResultFilter	Runs before and after the action result are executed.
Exception	IExceptionFilter	Runs only if another filter, the action method, or the action resultthrows an exception.

What is MVC authentication?

ASP.NET MVC Authentication is a feature in MVC that helps in making the website highly secure and safe. Authentication is the process of confirming or validating the user’s identity if the user who is trying to access the web page or web application is a genuine user or not.

What is ViewBag in MVC C#?

The ViewBag in ASP.NET MVC is used to transfer temporary data (which is not included in the model) from the controller to the view. Internally, it is a dynamic type property of the ControllerBase class which is the base class of the Controller class. ViewBag only transfers data from controller to view, not visa-versa.

What is App_Start folder MVC?

The App_Start folder of MVC application is used to contain the class files which are needed to be executed at the time the application starts. The classes like BundleConfig, FilterConfig, IdentityConfig, RouteConfig, and Startup. are stored within this folder.

What is FilterConfig Cs in ASP NET MVC Mcq?

A) FilterConfig. cs is used to register global MVC filters, HandleErrorAttribute is registered by default filter. We can also register other filters.

What is ActionResult ()?

What is an ActionResult? An ActionResult is a return type of a controller method, also called an action method, and serves as the base class for *Result classes. Action methods return models to views, file streams, redirect to other controllers, or whatever is necessary for the task at hand.

How do I authenticate in MVC?

In order to implement the Forms Authentication in MVC application, we need to do the following three things.

1. Set the Authentication mode as Forms in the web.config file.
2. We need to use FormsAuthentication.SetAuthCookie for login.
3. Again we need to use FormAuthentication.SignOut for logout.

How does MVC authorize work?

If a user is not authenticated, or doesn’t have the required user name and role, then the Authorize attribute prevents access to the method and redirects the user to the login URL. When both Roles and Users are set, the effect is combined and only users with that name and in that role are authorized.

What is ViewBag?

ViewBag is a property – considered a dynamic object – that enables you to share values dynamically between the controller and view within ASP.NET MVC applications. Let’s take a closer look at ViewBag, when it’s used, some limitations, and other possible options to consider.

Is ViewBag good practice?

There is no situation where a ViewBag is absolutely necessary. However, there are some data I personally prefer using ViewBag instead of View Model. For example, when I need to populate a dropdown box for predefined values (i.e Cities), I use ViewBag for carrying SelectListItem array to view.