What are helper methods in MVC?

HTML Helpers

Extension Method Strongly Typed Method Html Control
Html.RadioButton() Html.RadioButtonFor()
Html.DropDownList() Html.DropDownListFor()
Html.ListBox() Html.ListBoxFor() multi-select list box:
Html.Hidden() Html.HiddenFor()

What is Tag Helper in MVC?

Tag Helper is a new feature in ASP.NET MVC 6 that enables the server-side code to create and render HTML elements, in MVC Razor View files. These are the objects which can be bound to the Models and based on these properties, HTML elements can be dynamically rendered.

What is strongly typed HTML helpers in MVC?

Strongly-Typed HTML Helper The Strongly-Typed HTML helper takes a lambda as a parameter that tells the helper, which element of the model to be utilized in the typed view. The Strongly typed views are used for rendering specific sorts of model objects, rather than using the overall View-Data structure.

What is the use of Session in MVC?

ASP.NET MVC Session state enables you to store and retrieve values for a user when the user navigatesto other view in an ASP.NET MVC application. Let us take each task one by one, first we will take ViewBag: ViewBag is a property of controllerBase.

What are Ajax helpers in MVC?

Ajax helper of ASP.NET MVC essentially provides Ajax functionality to your web applications. AJAX Helpers are used to create AJAX enabled elements like as Ajax enabled forms and links which performs request asynchronously.

Which of the following classes provides the helper methods in MVC net?

Html Helper is a class. It supports the rendering of Html controls in view. Html Helper is very fast.

How do I create a tag helper?

To create custom tag helper, the first step is to create a class that inherits from “TagHelper” class. This class has a virtual method to generate HTML tags. It contains both synchronous (Process) and asynchronous (ProcessAsync) implementation of the virtual method.

What is the difference between tag helper and HTML helper?

Tag Helpers are attached to HTML elements inside your Razor views and can help you write markup that is both cleaner and easier to read than the traditional HTML Helpers. HTML Helpers, on the other hand, are invoked as methods that are mixed with HTML inside your Razor views.

What is difference between textbox and TextboxFor in MVC?

IMO the main difference is that Textbox is not strongly typed. TextboxFor take a lambda as a parameter that tell the helper the with element of the model to use in a typed view. You can do the same things with both, but you should use typed views and TextboxFor when possible.

What are the methods of handling an error in MVC?

5 Ways to do MVC Error Handling

  • Web.Config customErrors.
  • MVC HandleErrorAttribute.
  • Controller.OnException method.
  • HttpApplication Application_Error event.
  • Collect exceptions via .NET profiling with Retrace.

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 are the HTML helper methods in MVC?

In this article you will learn about HTML Helper Methods in MVC. Html helper is one of the main advantages of MVC. HTML Helper uses any view engine in MVC. It contains many methods, using these methods we create controls like Text box, Check box, Radio button and so on. Html Helper is a class. It supports the rendering of Html controls in view.

What are HTML helpers in the Razor View?

Here, you will learn what HTML helpers are and how to use them in the razor view. The HtmlHelper class renders HTML controls in the razor view. It binds the model object to HTML controls to display the value of model properties into those controls and also assigns the value of the controls to the model properties while submitting a web form.

How to create HTML controls programmatically in MVC using htmlhelper?

So those developers who are new to MVC especially with web forms background finds this a little hard. To overcome this problem, ASP.NET MVC provides HtmlHelper class which contains different methods that help you create HTML controls programmatically. All HtmlHelper methods generate HTML and return the result as a string.

What is @HTML helper in Salesforce?

Html Helper is a class. Create object for Html helper class then call html helper method and that method is an html helper control. Here, @Html is an object for Html helper class. It is inside of WebViewPage of abstract class.