What is state? You may have heard the popular phrase, "The Web is a stateless
environment." Simply put, data cannot persist across multiple page requests
to the server. By nature, each request is independent of the others.
When building Web applications, we often have a need for persistent data,
data that is available across multiple page requests while being unique to
each user. There are many uses for persistent data, from checking to see if a
user's session has timed out, to storing information about a user for use
later in the application.
How Is State Created?
For data to pe... (more)