View state is maintained at a single level only which is the page level. View state of one page is not visible in another page. For what you are doing, it seems that the session is a View State View State is a technique to maintain the state of controls during page post-back, meaning it stores the page value at the time of post-back (sending and receiving information from the server) of your page and the view state data can be used when the page is posted back to the server and a new … Working with ASP.NET it is very important to understand and use the various states maintenance techniques available. View State on the other hand is information specific to particular web page. Each mode has a different behavior in a web application. By using this application performance will be better.InProc ModeInProc mode can be done in an ASP.NET web application using a configuration file by setting the mode attribute in the element SessionState. But I am going to explain View state, Session State and application state in this article. ViewState vs Session state. How do you keep the value of global variables (namely a struct variable) between postbacks? A session is defined as the period of time that a unique user intracts with a web application. ViewState is the method that is used in ASP.NET to preserve page and control value or we can say it is technique to persist the data of page or control value between round trips. You canot have viewstate values accesible to other pages unless you transfer those values to the desired page. By using our site, you acknowledge that you have read and understand our Cookie Policy, Privacy Policy, and our Terms of Service. Why do people still live on earthlike planets? When might you choose to use ViewState over the Session? The session state is used for storing information for the session across multiple pages. exposed through the HttpContext.Session property. Where to UseAn application variable is used only when the variable needs to have global access and when you need them for the entire time, during the lifetime of an application.ConclusionGuys, in the preceding explanation of view state, the session state and application state management techniques all have some advantages and disadvantages in web applications. If you desire to see view state, you can only do so on a single page only and not any others. This limits the changes that can be made on the page. Usage: - Session state persist the data of particular user in the server. Should I use Session State or Viewstate to store and save information in asp? It should be used for sending data from one page to another. The developer should not use this technique to retain state with larger data since it will create a performance overhead for the webpage. How can I keep playing online-only Flash games after the Flash shutdown in 2020? - SessionState is the data of a user session and is maintained on the server side. If I store the dataset in viewstate and makes changes to the grid. They track the changes to a web site during post backs. Articles. The performance overhead for the page is larger data stored in the view state. The ViewState is stored in a hidden field with an ID __VIEWSTATE. jrmcdona asked on 2006-06-01. Session State Vs. Maintaining states during ASP.NET requests is very important from the application perspective.Stateless Nature of Web applicationWeb applications run on HTTP protocols and this HTTP protocol is stateless in nature, meaning it does not remember state or retain any state between requests and responses.Web application ProcessingWhenever a web application is compiled, the entire source code of the project is compiled into an intermediate language and generates an output assembly that is a DLL residing in the bin folder of the project directory.When the application URL is requested by a user, The web server loads the requested project DLL into memory and creates an instance of the web form requested that results in the creation of a new instance of web form and all the controls and variables available on that requested web form.After creation it completes the page life cycle and renders the output as HTML and sends back the HTML output to the browser as a response. This article will help to understand how practically we should use these. Not able to sustain the session values when the worker process/IIS is restarted. Stored on the client browser in a hidden field as a form of Base64 Encoding String not encrypted and can be decoded easily. I have tried writing this article for beginners explaining these concepts in simple language and step-by-step.This is a very basic article for beginners that show various state management techniques. Session State contains information that is pertaining to a specific session (by a particular client/browser/machine) with the server. Storage Overhead for serialization and deserialization of complex data. It is used to maintain the user's illusion that the page remembers what he did on it the last time - dont give him a clean page every time he posts back. Should I use session or viewstate to save values when posting back a form fields? ViewState: It is maintained at only one level that is page-level. 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