As a web developer, you might know that HTTP is a stateless protocol, which means that by default there is not a notion of sessions as such. Each request is handled independently and no values are retained between different requests.
Nonetheless, there are different methods for working with data. You can work with query strings, submit form data, or you can use cookies to store data on the client. However, all of those mechanisms are more or less manual and need to be managed by yourself.
If you are an experienced ASP.NET developer, you will be familiar with the concepts of session state and session variables. Those variables are stored on the web server and you can access them during ...