April 2003
Intermediate to advanced
688 pages
22h 8m
English
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How to Avoid Problems When Using ADSI and ASP
There is one very large pitfall with ADSI scripts under ASP that is very easy to fall into. ADSI scripts running under ASP work only when served from IIS. This is because IIS understands ADSI, and IE on its own does not. So whenever you want to test-run an ASP incorporating an ADSI script, make sure that you are obtaining it from the server. This problem tends to occur in two main ways:
When developing scripts on the machine that IIS is running on
When developing scripts on a machine that has a drive mapped to the directory on IIS where you are storing the scripts
In both of these cases, it is just as easy to open a file called
C:\INETPUB\WWWROOT\MYTEST.ASP as
it is to open http://www.mycorp.com/mytest.asp from within
IE. Both files will open correctly, but only the IIS-served page will
correctly work with ADSI. If you start getting unexplained errors
with code that you know should be working, just check the URL of the
ASP that you are opening.
The second annoying pitfall occurs when you are constantly updating pages, testing them with a browser, and then updating them again. If you are developing in this cycle, remember to keep refreshing the page. It becomes really annoying to find that the bug you have been trying to solve is due to the fact that your browser thoughtfully cached a page 15 minutes ago, and you have been forgetting to press the Shift key when clicking the Refresh button.[30]
[30] Another option if you are using Internet ...
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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.