December 2002
Beginner to intermediate
432 pages
10h 10m
English
Content preview from ADO.NET Programming in Visual Basic™ .NET
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Maintaining Session State
The main thing to understand here is that Web Forms (or the code behind the Web Forms) have to execute each time a request comes from the user. They process the request and then terminate. This makes things like module-level variables unusable for storing data that must persist for the entire session. Ah! A new word, session. Web applications use something called session state to maintain context between requests. The session state is maintained by IIS itself, so we don’t have to worry about the program terminating and losing its data.
The session exists outside the memory space of the executing code, so it is not lost. There is an intrinsic object called the Session object that is accessible from any Web Form’s code ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.