December 2001
Beginner
464 pages
13h 51m
English
Content preview from Programming Visual Basic .NETBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Discovering Browser Capabilities
One of ASP.NET’s strengths is that it accommodates differences in client browsers without requiring any special effort from the application developer. However, it is often desirable for a web application to discover the capabilities of the browser making a given request. For this purpose, ASP.NET makes browser information available to the web application. ASP.NET’s Request object (available through the Page object’s Request property) has a Browser property that returns an object of type HttpBrowserCapabilities. The properties of this object are:
- ActiveXControls
Indicates whether the client browser supports ActiveX controls. The type is Boolean.
- AOL
Indicates whether the client browser is an America Online browser. The type is Boolean.
- BackgroundSounds
Indicates whether the client browser supports background sounds. The type is Boolean.
- Beta
Indicates whether the client browser is a beta release. The type is Boolean.
- Browser
Indicates the browser string (e.g.,
"IE") received in the User-Agent header of the HTTP request. The type is String.- CDF
Indicates whether the browser supports Channel Definition Format for webcasting. The type is Boolean.
- ClrVersion
Indicates the version of the .NET CLR installed on the client (if any). The type is Version (defined in the System namespace).
- Cookies
Indicates whether the client browser supports cookies. The type is Boolean.
- Crawler
Indicates whether the client browser is a web crawler (an automated program used ...
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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.