#tempdata

ASP.NET MVC: TempData vs Session and When to use what? http://www.webcodeexpert.com/2017/01/aspnet-mvc-tempdata-vs-session-and-when.html

In this article you will learn the following:

ASP.NET MVC: TempData Keep vs Peek Methods http://www.webcodeexpert.com/2017/01/aspnet-mvc-tempdata-keep-vs-peek-methods.html

In this article you will learn the following:

ASP.NET MVC: Using Keep and Peek with TempData to Persist data http://www.webcodeexpert.com/2017/01/use-of-keep-and-peek-with-tempdata-in.html

In this article you will learn the following

State Management in ASP.NET MVC

In ASP .NET MVC, ViewData, View Bag, TempData is used to maintain the state in our page/view.Viewdata, ViewBag is used to transfer date/information from controller to view in the current request. TempData use to transfer data from controller to another controller. It has capable of maintaining the data to not only on current request, it can maintain the data in next HTTP requests. Flow Diagram :…

                 Figure: - difference between tempdata, viewdata and viewbag

Temp data: - Helps to maintain data when you move from one controller to other controller or from one action to other action. In other words when you redirect,“tempdata” helps to maintain data between those redirects. It internally uses session variables.

View data: - Helps to maintain data when you move from controller to view.

View Bag: - It’s a dynamic wrapper around view data. When you use “Viewbag” type casting is not required. It uses the dynamic keyword internally.

                                                                                                                 Figure: - dynamic keyword

Session variables: - By using session variables we can maintain data from any entity to any entity.

Hidden fields and HTML controls: - Helps to maintain data from UI to controller only. So you can send data from HTML controls or hidden fields to the controller using POST or GET HTTP methods.

Below is a summary table which shows different mechanism of persistence.