What is a session state?

Session state, in the context of . NET, is a method keep track of the a user session during a series of HTTP requests. Session state allows a developer to store data about a user as he/she navigates through ASP.NET web pages in a . The concept of a session is generic and applies to most web servers.

What is application session?

An application session begins when a user starts an application and ends when the application exits. Each application session corresponds to an application currently running through SGD. The Protocol Engine handles the communication between the client device and the application server.

What is difference between session and viewstate in asp net?

Session is used mainly for storing user specific data [ session specific data ]. In the case of session you can use the value for the whole session until the session expires or the user abandons the session. Viewstate is the type of data that has scope only in the page in which it is used.

Which is better session or viewstate?

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.

How does state session work?

Session state enables you to store user specific data in the memory and identify a particular request uniquely. Session data is stored as key/value pairs in the SessionStateItemCollection and can be accessed using the HttpContext. Session property.

Why session is used?

Sessions are a simple way to store data for individual users against a unique session ID. Session IDs are normally sent to the browser via session cookies and the ID is used to retrieve existing session data. The absence of an ID or session cookie lets PHP know to create a new session, and generate a new session ID.

What is ViewState for?

ViewState is used to store user data on page at the time of post back of web page. ViewState does not hold the controls, it holds the values of controls. It does not restore the value to control after page post back. ViewState can hold the value on single web page, if we go to other page using response.

Is session state secure?

The Session State is a safe way to keep track of user log-ins. Assuming the default set-up (in process, cookie-based session), it will be just as secure as Forms Authentication. The exact level of security you get with it will depend on how you configure your Session State.

How many types of sessions are there?

There are four mode types or just modes. In-Process mode, State Server mode, SQL Server mode, Custom mode and Off mode. These are modes. In-Process mode uses memory as session storage.

Is used to start the session?

Explanation: A session is started with the function session_start() .

How is application state different from session state?

Unlike session state, which is specific to a single user session, application state applies to all users and sessions. Application state is stored in an instance of the HttpApplicationState class. This class exposes a key-value dictionary of objects.

How does session state work in ASP.NET?

Session State: Session State stores session-specific information and the information is visible within the session only. ASP.NET creates unique sessionId for each session of the application. SessionIDs are maintained either by an HTTP cookie or a modified URL, as set in the applications configuration settings.

What’s the difference between Session object and application object?

Application State has a much longer lifetime, is shared between all users, and is only cleared when the process is restarted. Session Object-This is handle particular session level information. Application Object-This is handle Entire Application level information. What is the difference between Session Object and Application Object?

Where are session variables stored on a web server?

Session variables are single-user global data stored on the web server, meaning by default a session state variable is stored in the web server memory and is available across all pages but it will be for a single session. Client Machine Cookies are being used by a session to store a session id.