You can also read the article that describes how this is implemented.

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Jan 20 2001 ____________________________________________________________               C o v e r Y o u r A S P . c o m              Welcome to the latest newsletter!                  http://CoverYourASP.com/ ____________________________________________________________ With over 70 files modified this week on the site, nobody can say the site isn't dynamic! The site seems to be "accelerating" if that's the right word. Hopefully you're enjoying watching the site grow too - it reminds me of the science experiment where you grow a crystal. I never know which articles are going to be popular or generate feedback. You almost have to be a psychiatrist to build a web site. So, lie down on the couch and I'll take you on a whirlwind tour of the weeks events... ____________________________________________________________         A   W O R D   F R O M   M Y   S P O N S O R S      http://www.hexillion.com/refer.asp?id=cya7&dest=%2F ____________________________________________________________ Get FREE sample code, online utilities, and articles at Hexillion. Add intelligence to your ASP applications! Look up Whois records, check email addresses, do DNS lookups, find network problems with Ping and Traceroute, and more. http://www.hexillion.com/refer.asp?id=cya7&dest=%2F ____________________________________________________________                     T H E   D I A R Y                The events of the last week             http://CoverYourASP.com/ShowDiary.asp ____________________________________________________________ ______ 13 Jan ______ - Started adding some links to external resources on the Trouble shooting page. If I can't help you, someone here can... http://CoverYourASP.com/Trouble.asp ______ 14 Jan ______ - Added a few enhancements for my advertisers - Banners by day now include totals, and a link to the page is now available on Member Services for advertisers to click on. http://CoverYourASP.com/BannerReports.asp ______ 15 Jan ______ - Code Updated: Improved Handle500100.asp - it now appends the Referrer, IP address and User agent (browser) to the email that it sends me. http://CoverYourASP.com/ShowSource.asp?page=Handle500100 - Code Updated: Fixed some HTTP 500.100 ASP errors that got reported when readers were playing around seeing what they could break! Calling BannerCounter.asp and CountLosses.asp directly is a lot less likely to generate errors now! - Code Updated: Missed a vital step when I was re-organizing the BrandNewDay( ) function in utils/Init.asp recently. The GetDaysBanners( ) function wasn't being called, so I fixed that this morning. ______ 16 Jan ______ - FYI - Mails sent to home.com have been bouncing since Saturday, so if you're missing your newsletter, or can't subscribe or join as a member, now you know why. Many email discussions lists are discussing the problem, but it's definately home.com's problem... - Passed 500,000 page views today. Thanks for your continued support - have you told all your friends? Got all your co-workers to vote? ______ 18 Jan ______ - Mike Robinson wrote in about a "Permission denied" when sending email with CDONTS. I've now documented that problem in a new "Email" section of the Trouble shooting page. http://CoverYourASP.com/Trouble.asp - Many people want Personal Web Server, but don't have the Windows 98 CD. I've now updated the PWS article to include links to download PWS from microsoft.com. http://CoverYourASP.com/PWS.asp ______ 19 Jan ______ - I moved the IncrementArticleCounter( ) function from utils/footer.asp to utils/init.asp today. Many people are clicking through to other pages before all the images have loaded, so the article counts were lower than they should be. - Fixed an error in CategoryPage.asp caused by my earlier upload - I just love my HTTP 500 handler! - While looking at some search engine referrals today I noticed something a little disturbing! There were a few CoverYourASP web sites out there - not just mine! Downloaded copies have been put on the internet and found and indexed by search engines! So I've "enhanced" the legal statements to make it clear what the intention of this web site is! Also, the downloaded version has a banner highlighting the change.. http://CoverYourASP.com/Legal.asp ____________________________________________________________            R E C O M M E N D   T H E   S I T E !         Please recommend my site to your colleagues            http://CoverYourASP.com/Recommend.asp ____________________________________________________________ Two new articles this week: "Automatically reminding and deleting unconfirmed members" Another example of using the BrandNewDay( ) function - this time to search the database for unconfirmed members, and email them or delete them... http://CoverYourASP.com/MemberAdmin.asp "Generic function to walk through your sub-folders and files" Developed to index my pages for a search function, this article describes a function you can use for whatever you want! Also discusses recursion and passing functions as parameters. http://CoverYourASP.com/WalkFolders.asp And another updated: "Limiting clickthroughs to one per IP address per day" One of the requirements from the banner ad system was to protect the clients from spiders and malicious users...and HTTP HEAD requests...and... http://CoverYourASP.com/LimitIP.asp ____________________________________________________________               H E R O   O F   T H E   W E E K ! ____________________________________________________________ Mark Briscoe gets the honor - he has been very helpful recently and made some excellent suggestions for improvements - some of which I've even implemented ;-) Thanks Mark. Keep them coming! ____________________________________________________________                N E E D   A N   A S P   I S P ?         Use mine. You won't find a nicer bunch of guys.            Cheap, efficient and extremely helpful.                   http://EverPlanet.com/ ____________________________________________________________ Charlie Darling asked a simple question earlier this week that took quite a few emails to resolve. In the end Charlie took the time to resolve it himself, then let me know. The question was: "Have you managed to figure out how to run PWS without having your internet connection active?" My problem is that I have no access to a computer with a modem - T1 at work and cable modem at home, so I couldn't reproduce the problem. To cut a long story short (and I'll update the trouble shooting page to cover this later) here's the answer: When IE starts up and asks you whether to "Work offline" or "Try again", resist the urge to say "Work offline". "Work offline" seems to limit IE to only show pages in the cache. So any page that you haven't visited while online will cause the dialog to reappear! A little annoying when you're testing new pages on PWS. However, "Try again" works. You'll get a 404 "File not found" initially, but you can then access all your local files with PWS. ____________________________________________________________          A   W O R D   F R O M   M Y   S P O N S O R S                 http://www.developersdex.com ____________________________________________________________ Developersdex delivers the world's largest index for Microsoft web technologies.  Search, post, and reply to over 13 of the most popular ASP, SQL, VB and XML Usenet newsgroups. Devdex indexes over 5,000 new resources everyday including those from MSDN, ASP.NET, 15seconds, 4guysfromrolla, ASPToday, XML and ActionJackson.com just to name a few. If it's on the NET it's on Devdex!                 http://www.developersdex.com ____________________________________________________________                      F E E D B A C K             Have something to say? Please share!             http://CoverYourASP.com/Contact.asp ____________________________________________________________ Frank Fattizzi: I was checking out how you are storing the footer views in a database with relevant info. I noticed that this does not track Netscape 6 views. Me: (well actually, I couldn't think of any reason why this would fail, and Frank found the answer before I'd tried to reproduce the problem) Request.ServerVariables("HTTP_USER_AGENT") returns a string 82 characters in length for NN6, and the Agent field in the Stats table was only 80 characters long. The insert statement was failing and because it was called from a img tag I didn't receive an error. Increased the size of the field to 85 and all is well. ______ John Sorensen: How can you change the values of an application variable, or an application function? When I change the Application Functions/Variables in the global.asa file, the changes don't take effect until I reboot the server? Me: Obviously PWS is different (I didn't realize this), but the IIS that your ISP uses doesn't work that way. Whenever global.asa changes, i.e. you upload a new one, IIS sees this and will automatically call the Application_OnStart function. Now, I'm not sure how much of a "restart" actually happens, but I do know that you can upload a new file, and it gets used immediately (presumably at the start of the next session). Not to be taken lightly though, since all your Application variables get wiped out! ______ Lee Wilson: Once the user has logged in I want a field in the members table of the database to be set, so I can list the members that are online. How? Me: Put the following line into ValidateLogin( ) in utils/login.asp: oConnection.Execute('UPDATE Members SET FieldName=True WHERE MemberID=' + nMemberID ); and set to False in Session_OnEnd ( ) in global.asa to reset the field. ______ Mark Briscoe: I was looking at your main page, where it pulls the most viewed pages out of the database and places them in order. I have noticed this before, that the date in the DB is just a date value. Could you use the the file data stamp instead? Oh yer, i also thought that you could do a search page, which would search all your articles, that would be cool. Me: It would be easy to do with the FileSystemObject, but I decided against it. When I re-word a section, fix a typo or just upload by mistake I don't want the article to be flagged as "updated", and I doubt readers would either. I rarely update the date, but if an article is added to, or the content significantly updated I have that option. As for the Search capabiliuty, I am writing it right now! ______ Mark Murphy: I have two questions about your approach and would like to hear your comments. When you are using your SSI's on a new page in which the Content() function will contain some particular formatting, do you find it necessary to first design the page with a wysiwyg editor like FrontPage and then to translate the result into Out() statements? When debugging output html it would be nice to have it formated with some logically placed crlf's so that when using View/Source, it's a bit easier to read.  Is there an easy way to do that with JScript in the Out() function perhaps? Do you think the performance change warrants just having the crlf's in for debug only? Me: Good questions! My pages are very simple - the same header, footer with just different text in between. Some tables/forms I guess. Anyway, no, I never use any tool. Just start typing. My HTML is so simple, it doesn't warrant it. But isn't most HTML? Maybe I don't ever design pages that are complicated, but if I've never needed to, then maybe it's not necessary. I almost put a "viewable in any browser" button on my site once until I ran it in Notscape. <soapbox> About the debugging part - it's really not just the cr/lf that you'd need - it's the indenting, and that's the killer. That's what bugs me so much - look at 90% of the web pages out there, asp generated or not, and they all have huge amounts of whitespace. The customer asks for a quick site (or they should if they don't), and what do they get? HTML comments - how ridiculous is that in an asp page? Have you seen a frontpage generated page that has db access? It's full of HTML comments containing "webbots" to make its editing life easier. Screw the clients. </soapbox> Phew. Sorry about that. ;-) Anyway, it would be easy to add a If ( IsDebug ( ) ) { } to Out ( ) and do something different. But I'll never agree to it being changed for published pages! ____________________________________________________________             H A V E   I   H E L P E D   Y O U ?           If I've helped you, help me help others!             http://CoverYourASP.com/Donate.asp ____________________________________________________________ I haven't mentioned the folks that publish links to my articles around the web before, and without them you probably wouldn't have found me. So thanks are due to the following web sites, in alphabetical order: http://AllArticles.com        http://desASP.com http://ASPcode.com            http://www.DeveloperSites.com http://ASPdex.com             http://FindTutorials.com http://ASP-focus.com          http://hotscripts.com http://aspGuys.com            http://tcp-ip.com http://Aspin.com              http://TutorialFind.com http://ASPObjects.com         http://VisualBuilder.com http://ASPWire.com Thanks Guys! Speak to you next week. Warmest Regards, James Shaw [email protected] 885 Woodstock Road, Suite 430, #108 Roswell, GA 30075-2247, U.S.A. ____________________________________________________________    V O T E   F O R   Y O U R   F A V O R I T E   S I T E          (or don't, if it's not CoverYourASP.com) http://www.aspguild.org/group/~12/asp/voteasp2001.asp?a=171 ____________________________________________________________ ____________________________________________________________                 S U B S C R I P T I O N S           Do you want to subscribe or unsubscribe?             http://CoverYourASP.com/Subscribe.asp ____________________________________________________________