What is the difference between ViewData and TempData?
What is the difference between ViewData and TempData?
ViewData is a dictionary object while ViewBag is a dynamic property (a new C# 4.0 feature). TempData is also a dictionary object that stays for the time of an HTTP Request. So, Tempdata can be used to maintain data between redirects i.e from one controller to the other controller.
What is ViewBag ViewData TempData?
To summarize, ViewBag and ViewData are used to pass the data from Controller action to View and TempData is used to pass the data from action to another action or one Controller to another Controller.
Which one is better ViewBag or ViewData?
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 |
Does ViewData use session?
In ASP.NET MVC there are three ways – ViewData, ViewBag, and TempData – to pass data from the controller to view the next request. Like WebForm, you can also use Session to persist data during a user session. ViewData is used for passing value from Controller to View. ViewData is available only for Current Request.
Does TempData use session?
If you ever used TempData in ASP.NET MVC, you are probably aware that by default TempData is stored in Session state. This means the web application must have sessions enabled.
Where is ViewBag stored?
2 Answers. ViewBag and ViewData are part of state management. They are both objects that allow passing of data (mainly) from the Controller to the View. This happens entirely on the server side but the idea that the data is “stored” on the server is misleading.
Is ViewBag safe?
TempData persists only until the next page access; ViewBag is used to pass values from the controller to the view. Neither are suitable for storing information which will last for the session. On security, they are both server side and the user will not be aware of them, so, yes, they are secure.
Is ViewBag slower than ViewData?
ViewBag will be slower than ViewData; but probably not enough to warrant concern.
What is the difference between session and TempData in MVC?
This blog is help us to learn difference between TempData and Session in MVC….TempData Vs Session in MVC.
| TempData | Session |
|---|---|
| It is used to stored only one time messages like validation messages, error messages etc. | It is used to stored long life data like user id, role id etc. which required throughout user session. |
Which is better TempData or session in MVC?
What is the difference between viewbag and tempdata?
The ViewBag object is a wrapper around the ViewData object that allows you to create dynamic properties for the ViewBag. In above conversation, there is little confuse for everyone. if you look at my above code, tempdata is like viewdata concept but then it is able to redirect other view also. this is first point.
How to use viewbag, Viewdata, and session?
In ViewBag you are accessing data using string as keys – ViewBag [“numbers”] In ViewData you are accessing data using properties – ViewData.numbers. Session is another very useful object that will hold any information. For instance when user logged in to the system you want to hold his authorization level.
When does the lifespan of the viewbag end?
Just like the ViewData, the lifespan of the ViewBag start and ends in the current request. i.e. it starts in the controller and finishes after rendering the view. The ViewBag dynamic object is created and filled with data in the controller by adding a property you wish.
What is the life span of Viewdata in MVC?
The life-span of ViewData exists just during the current request. i.e. it starts in the controller and finishes after rendering the view. ViewBag is a dynamic object which is a wrapper around the ViewData. It is derived from the System.Web.Mvc.ControllerBase.ViewBag Property.