To use the ViewState property, the ASP.NET Web page must have a form element that has the attribute runat=”server”. To save a value to view state, create a new item that contains the value to save and add the item to the view state dictionary.
How is ViewState encoded?
ViewState is base64-encoded. It is not encrypted but it can be encrypted by setting EnableViewStatMAC=”true” & setting the machineKey validation type to 3DES. If you want to NOT maintain the ViewState, include the directive < %@ Page EnableViewState=”false” % > at the top of an .
Which is better ViewState or session?
1 Answer. For large amounts of data, Session is way more efficient. If you can detect when the user is done with a particular block of data, set the Session variable to null, to help memory overhead. You can’t always do this, but the Session will eventually expire and the memory will be reclaimed then.
Is ViewState of the page encrypted?
ViewState is base64-encoded. It is not encrypted but it can be encrypted by setting EnableViewStatMAC=”true” & setting the machineKey validation type to 3DES.
How do you know if ViewState is encrypted?
from MSDN “View State Security”. You can check this by decoding the VIEWSTATE (if not encrypted) and verify if a 20-byte hash is present at the end of the ViewState structure.
What is VIEWSTATE in Salesforce?
The ViewState property is a dictionary that contains key/value pairs that contain the view state data. It is easy for a malicious user to see and modify the contents of a hidden field. For more information about how to secure view state data, see Securing View State later in this topic.
How do I use the VIEWSTATE property in a form?
To use the ViewState property, the ASP.NET Web page must have a form element that has the attribute runat=”server”. To save a value to view state, create a new item that contains the value to save and add the item to the view state dictionary.
What is the use of view state in ASP NET?
View state is a repository in an ASP.NET page that can store values that have to be retained during postback. The page framework uses view state to persist control settings between postbacks. You can use view state in your own applications to do the following: Keep values between postbacks without storing them in session state or in a user profile.
How do I access view state information in a page?
You can access view state information by using the page’s ViewState property, which exposes a dictionary object. You can use this dictionary to store custom values. A typical use is to store the value of custom properties that you define in the page.
