The output cache enables you to cache the content returned by a controller action. That way, the same content does not need to be generated each and every time the same controller action is invoked. Imagine, for example, that your ASP.NET MVC application displays a list of database records in a view named Index.
How cache is implemented in MVC?
In ASP.NET MVC, OutputCache attribute is used for applying Caching. OutputCheching will store the output of a Controller in memory and if any other request comes for the same, it will return it from cache result. OutputCache attribute can have a parameter. It describes the time in seconds.
What is meant by caching in ASP.NET MVC?
In ASP.NET MVC, we can cache page response using “OutputCache” attribute. This type of caching is basically used to cache your content generated by an action method. “OutputCache” attribute can be used with activity level or controller level.
What is VaryByParam OutputCache?
It allows varying the cached output by GET query string or form POST parameters. For instance, you can vary the user-control output to the cache by specifying the user-control name along with either a query string or a form POST parameter.
What is bundling and minification in MVC?
Both bundling and minification are the two separate techniques to reduce the load time. The bundling reduces the number of requests to the Server, while the minification reduces the size of the requested assets.
What is partial view in MVC C#?
Partial view in ASP.NET MVC is special view which renders a portion of view content. It is just like a user control of a web form application. Partial can be reusable in multiple views. It helps us to reduce code duplication. In other word a partial view enables us to render a view within the parent view.
What is the use of OutputCache attribute in MVC?
In ASP.NET MVC, there is an OutputCache filter attribute that you can apply and this is the same concept as output caching in web forms. The output cache enables you to cache the content returned by a controller action. Output caching basically allows you to store the output of a particular controller in the memory.
What is HTML helper in MVC?
HTML Helpers are methods that return a string. Helper class can create HTML controls programmatically. HTML Helpers are used in View to render HTML content. It is not mandatory to use HTML Helper classes for building an ASP.NET MVC application.
What is ViewBag and ViewData?
ViewData is a dictionary of objects that is derived from ViewDataDictionary class and accessible using strings as keys. ViewBag is a dynamic property that takes advantage of the new dynamic features in C# 4.0. ViewData requires typecasting for complex data type and check for null values to avoid error.
What is result Filter in MVC?
Result filters are executed before or after generating the result for an action. The Action Result type can be ViewResult, PartialViewResult, RedirectToRouteResult, which derives from the ActionResult class. Example: public interface IResultFilter.
What type of filter does OutputCache attribute class represents?
We can apply Outputcache Action Filter either on Action Method or on the controller. OutputCache attribute has several properties like CacheProfile, Duration, Location, VaryByParam, VaryByHeader, NoStore etc.
What is _layout Cshtml in MVC?
The file “_Layout. cshtml” represents the layout of each page in the application. Right-click on the Shared folder in Solution Explorer then go to “Add” item and click on “View”. Now the View has been created.
What is routing in MVC ASP Net?
Routing is the process of directing an HTTP request to a controller and the functionality of this processing is implemented in System. Web. Routing. This assembly is not part of ASP.NET MVC. It is actually part of the ASP.NET runtime, and it was officially released with the ASP.NET as a .
What is scaffolding in MVC?
Scaffolding is a technique used by many MVC frameworks like ASP.NET MVC, Ruby on Rails, Cake PHP and Node. JS etc., to generate code for basic CRUD (create, read, update, and delete) operations against your database effectively. Further you can edit or customize this auto generated code according to your need.
What is RenderBody and RenderPage in MVC?
The RenderBody method indicates where view templates that are based on this master layout file should “fill in” the body content. RenderPage. Layout pages can also contain content that can be filled by other pages on disk. This is achieved by using the RenderPage method. This method takes either one or two parameters.
What is global ASAX in MVC?
The Global. asax file is a special file that contains event handlers for ASP.NET application lifecycle events. The route table is created during the Application Start event. The file in Listing 1 contains the default Global. asax file for an ASP.NET MVC application.
