Where the ViewState is stored after the page postback?
Where the viewstate is stored after the page postback? ViewState is stored in a hidden field on the page at client side. ViewState is transported to the client and back to the server, and is not stored on the server or any other external source.
Which of the following is the best way to handle data across postback?
if your variable is serializable, and you can live with the client reading its value, and it should only live during the postbacks sequence in the scope of the page => you should use ViewState.
How is ViewState different from postback?
5 Answers. ViewState data is data that ASP.NET encoded end sent to the client in the _ViewState hidden field. It’s basically the page as it was when it was sent to the client. PostBack data is data that the user submits.
Which event is used to make changes to the ViewState that you want to persist after the next postback?
InitComplete
ASP.NET Life Cycle Events
| Page Event | Typical Use |
|---|---|
| InitComplete | This event occurs at the end of the page’s initialization stage. We can use this event to make changes to view state that we want to make sure are persisted after the next postback. |
| PreLoad | This event is occurs before the post back data is loaded in the controls. |
Where does ViewState value is stored?
By default, view state data is stored in the page in a hidden field and is encoded using base64 encoding. In addition, a hash of the view state data is created from the data by using a machine authentication code (MAC) key.
Is post back is a method of?
PostBack is the name given to the process of submitting all the information that the user is currently working on and send it all back to the server. Postback is actually sending all the information from client to web server, then web server process all those contents and returns back to client.
What kind of data we can store in ViewState?
So you can put in ViewState any object that has this attribute. Note that simple types like string, int, float, can also be placed in ViewState . Types must be serializable to be placed in ViewState. ViewState is a serialized collection of objects so any serializable objects may be put in there.
Which event of Page cycle is the ViewState available?
OnPreLoad event
The Viewstate is actually loaded in the OnPreLoad event of the page,Just after the Page_InitComplete.
What is the last stage of web forms life cycle?
Page_Unload is the last stage of the Web forms life-cycle.