July 2006
Beginner
910 pages
20h 14m
English
book
ASP.NET 2.0 All-In-One Desk Reference For Dummies®
by Doug Lowe, Jeff Cogswell, Ken Cox - Microsoft MVP
Content preview from ASP.NET 2.0 All-In-One Desk Reference For Dummies®
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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.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.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.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.
Chapter 4. Understanding Postback, Events, and Code-Behind
In This Chapter
✓ | Posting pages to the server |
✓ | Working with events in Visual Basic |
✓ | Working with events in C# |
✓ | Getting behind the scenes of code-behind |
Three of the most important concepts in ASP.NET programming are the ideas of (1) posting pages to the server, (2) handling events, and (3) code-behind. Postback refers to what happens when the user clicks a button or performs some other action that sends the page displayed in the browser window to the server so whatever data the user entered on the page can be processed. Events are the processes that ASP.NET uses to deal with user interaction when a page has been posted. And code-behind is how ASP.NET lets you separate the code that’s executed when events occur from the markup code that defines how pages appear.
This chapter introduces you to these three all-important ASP.NET concepts.
All code listings used in this book are available for download at www.dummies.com/go/aspnetaiofd.
Understanding Postback
You’re probably familiar with Web pages that include a Submit button. For example, consider a typical search-engine Web page that has a text box and a Submit button. When you click the Submit button, the text you entered into the text box is sent to the search-engine’s server, which looks up the results of your search and sends the results back to the browser. The process of sending ...
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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.