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VB Forum / General / July 2008Fetching Webpage Works in XP not in Vista?
I use InternetOpenUrl to fetch the contents of a webpage. It works in XP but in Vista it returns a "not logged in" page from the target website. When you go to the page in Internet Explorer it displays properly. Anybody had experience with this problem? I don't know about Vista, but I wonder if another method might be easier? There's UrlDownloadToFile, which is a simple file-downloading call. If you want to communicate more directly with the server you can also do it using winsock, bypassing the Internet* APIs that are IE-connected: www.jsware.net/jsware/vbcode.php5#htp > I use InternetOpenUrl to fetch the contents of a webpage. It works > in XP but in Vista it returns a "not logged in" page from the target > website. When you go to the page in Internet Explorer it displays > properly. > > Anybody had experience with this problem? I've never tried it, but Karl Peterson has a sample for fetching webpages without API calls or Winsock. It uses the native capability of VB5/6 UserControls to do downloads (including asynchronously). Might be worth a try? http://vb.mvps.org/samples/project.asp?id=netgrab >I've never tried it, but Karl Peterson has a sample for fetching >webpages without API calls or Winsock. It uses the native capability >of VB5/6 UserControls to do downloads (including asynchronously). >Might be worth a try? > >http://vb.mvps.org/samples/project.asp?id=netgrab Thanks, but I think that does file downloads, not a fetch of webpage source. Also, I don't think it handles logon cookies either. > Thanks, but I think that does file downloads, not a fetch of webpage > source. Also, I don't think it handles logon cookies either. Downloading the file or fetching the webpage source are the same thing. It sounds like your real issue might be with different cookie settings on the two machines? > I don't know about Vista, but I wonder if another >method might be easier? There's UrlDownloadToFile, >which is a simple file-downloading call. >www.jsware.net/jsware/vbcode.php5#htp Thanks, but that I don't think UrlDownloadToFile handles cookies required to supply logon information. |
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