What is ASP.NET MVC?
Answer: ASP.NET MVC is a web development framework used to build dynamic and scalable web applications. It follows the Model-View-Controller (MVC) architectural pattern and is based on the Microsoft .NET Framework.
What is the difference between ASP.NET MVC and Web Forms?
Answer: ASP.NET MVC is a model-view-controller framework used for building web applications, while Web Forms is an event-driven programming model used for building web applications. In MVC, the presentation logic is separated from the business logic, while in Web Forms, the presentation logic and business logic are combined in a single file.
What is Routing in ASP.NET MVC?
Answer: Routing is a process of mapping a URL to a controller action in an ASP.NET MVC application. It allows us to define URLs that are human-readable and search engine-friendly.
What is the difference between ViewData, ViewBag, and TempData in ASP.NET MVC?
Answer: ViewData, ViewBag, and TempData are used to pass data between a controller and a view in an ASP.NET MVC application. ViewData is a dictionary-like object that stores data as key-value pairs, ViewBag is a dynamic object that stores data as properties, and TempData is a dictionary-like object that stores data temporarily between two consecutive requests.
What is a partial view in ASP.NET MVC?
Answer: A partial view is a reusable view that can be included in multiple views or layouts in an ASP.NET MVC application. It allows us to break down complex views into smaller, more manageable parts.
What is the use of HTML Helpers in ASP.NET MVC?
Answer: HTML Helpers are methods used to generate HTML controls in an ASP.NET MVC application. They simplify the process of creating HTML controls by providing a set of methods that can be used to generate commonly used HTML controls.
What is the difference between ViewData and TempData in ASP.NET MVC?
Answer: ViewData is used to pass data from a controller to a view in an ASP.NET MVC application, while TempData is used to pass data between two consecutive requests. TempData is used to store data temporarily between two consecutive requests, while ViewData is not.
What is the use of Filters in ASP.NET MVC?
Answer: Filters are used to perform additional processing before or after an action method is executed in an ASP.NET MVC application. They can be used to perform tasks such as authentication, logging, and exception handling.
What is the difference between JsonResult and ViewResult in ASP.NET MVC?
Answer: JsonResult is used to return JSON data from a controller action in an ASP.NET MVC application, while ViewResult is used to return a view. JsonResult is used when we want to return data to a client-side script, while ViewResult is used when we want to render a view.
What is the use of the ModelState object in ASP.NET MVC?
Answer: The ModelState object is used to store the state of a model object in an ASP.NET MVC application. It can be used to validate user input and to display error messages on a form. It provides a simple way to validate user input and to prevent invalid data from being submitted to the server.
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