TempData is used
to transfer data from view to controller, controller to view, or from one action method to another action method of the same or a different controller
. TempData stores the data temporarily and automatically removes it after retrieving a value. TempData is a property in the ControllerBase class.
How long does TempData last in MVC?
ASP.net MVC will automatically expire the value of tempdata
once consecutive request returned the result
(it means, it alive only till the target view is fully loaded). Session will be expire after the session time out occurred. It valid for all requests.
How does authentication work in MVC?
MVC provides a lot of infrastructure support for Forms Authentication. Forms authentication is highly customizable, you
can customize everything from the sign in form
, to where the credentials are stored and how those credentials are validated. Forms Authentication in ASP.NET relies on cookies by default.
How do you use TempData in razor view?
Passing the data from Controller to View using TempData
Go to File then
New and select “Project” option
. Then create the ASP.NET web application project as depicted below. Then select “Empty” and tick “MVC” then click OK. The project is created successfully.
What is the scope of TempData in MVC?
TempData in ASP.NET MVC is basically a dictionary object derived from TempDataDictionary .
TempData stays for a subsequent HTTP Request as opposed to other options
( ViewBag and ViewData ) those stay only for current request. So, TempdData can be used to maintain data between controller actions as well as redirects.
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. Luckily, ASP.NET Core 2.0 provides two TempData providers – Cookie based and Session State based.
What is the life of TempData?
TempData is used to pass data from the current request to a subsequent request from one level to another level, for example a controller to a view, controller to controller or one action to another action. If you want to retain a TempData value for all requests then just use the following method.
What is MVC life cycle?
The ASP.NET MVC Process. In a MVC application, no physical page exists for a specific request. All the requests are routed to a special class called the Controller. The controller is responsible for generating the response and sending the content back to the browser.
What is AntiForgeryToken in MVC?
A great feature in ASP.NET MVC is the AntiForgeryToken. This
Generates a hidden form field (anti-forgery token) that is validated when the form is submitted
. The anti-forgery token can be used to help protect your application against cross-site request forgery.
How we can use session in MVC?
| Session State Mode State Provider | SQLServer Database |
|---|
How do I check if TempData is null?
ready(function() { if (@TempData[“SuccessMessage”] != null) { toastr. options = { “
closeButton
“: true, “positionClass”: “toast-bottom-right” } toastr. success(“This is a test!”); } });
Can we use view state in MVC?
ASP.NET
MVC does not use ViewState in the traditional sense
(that of storing the values of controls in the web page). Rather, the values of the controls are posted to a controller method.
What is scaffolding 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.
Which is faster ViewData or ViewBag?
| ViewData ViewBag TempData | ViewData is Faster than ViewBag ViewBag is slower than ViewData NA |
|---|
Can you explain 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. 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.
Should I use ViewBag or ViewData?
| ViewData ViewBag | Type Conversion code is required while enumerating In depth, ViewBag is used dynamic, so there is no need to type conversion while enumerating. | Its value becomes null if redirection has occurred. Same as ViewData | It lies only during the current request. Same as ViewData |
|---|
