How to decode the value of viewstate?

To analyze the value of viewstate, you can use the following method:

1. Use the browser’s developer tools to check the value of the viewstate field. Open the webpage, press the F12 key to open the developer tools, switch to the “Network” or “Network Monitor” tab, refresh the page, and find the request that contains the viewstate. The value of the viewstate can be found in the details of the request.
2. Utilize libraries in programming languages to parse viewstate. Different programming languages may have varying libraries and methods for parsing viewstate. For example, in C#, one can use the ViewState property of the System.Web.UI.Page class to retrieve and parse the value of viewstate.
3. Utilize online tools to decode the viewstate. There are various online tools available for decoding viewstate values, you can search for “viewstate decoder” or similar keywords on a search engine and choose a suitable tool for decoding.

No matter which method you use, it is important to protect the security of the viewstate and prevent the leakage of sensitive information.