Can we use ViewData in JavaScript?

ViewData is created on Server Side of the Web application and hence it is not possible to directly set it on Client Side using JavaScript or jQuery. Thus, only possible way is to set it by making an AJAX call to the Controller’s Action method using jQuery AJAX function in ASP.Net MVC Razor.

How do I pass ViewData to view?

To pass the strongly-typed data from Controller to View using ViewData, we have to make a model class then populate its properties with some data and then pass that data to ViewData dictionary as Value and selecting Key’s name is the programmer’s choice.

Is ViewData a dynamic type?

Because it is a dynamic property, you can instead just get or set properties and it will resolve them dynamically at run time. Internally, ViewBag properties are stored as name/value pairs in the ViewData dictionary.

How is TempData different from ViewData?

In one sentence: TempData are like ViewData with one difference: They only contain data between two successive requests, after that they are destroyed. You can use TempData to pass error messages or something similar.

Can we read ViewBag in JavaScript?

The ViewBag object value will be set inside Controller and then the value of the ViewBag object will be accessed inside JavaScript function using Razor syntax in ASP.Net MVC Razor.

What is MVC ViewData?

In MVC, when we want to transfer the data from the controller to view, we use ViewData. It is a dictionary type that stores the data internally. ViewData contains key-value pairs which means each key must be a string in a dictionary.

How do you pass value from view to controller using ViewData?

ViewData itself cannot be used to send data from View to Controller and hence we need to make use of Form and Hidden Field in order to pass data from View to Controller in ASP.Net MVC Razor.

How does MVC ViewData work?

In MVC, when we want to transfer the data from the controller to view, we use ViewData. It is a dictionary type that stores the data internally. ViewData contains key-value pairs which means each key must be a string in a dictionary. The only limitation of ViewData is, it can transfer data from controller to view.

When should we use ViewData?

All three objects are available as properties of both the view and controller. As a rule of thumb, you’ll use the ViewData, ViewBag, and TempData objects for the purposes of transporting small amounts of data from and to specific locations (e.g., controller to view or between views).

Which is better ViewData or ViewBag?

ViewBag, ViewData, and TempData all are objects in ASP.NET MVC and these are used to pass the data in various scenarios….Introductions.

ViewData ViewBag TempData
ViewData is Faster than ViewBag ViewBag is slower than ViewData NA

What is ViewBag in Cshtml?

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. The following figure illustrates the ViewBag.