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.NET Forum / ASP.NET / General / December 2007Detecting screen resolution in server code?
Can screen resolution be detected with server code (in Page_Load) ? I have tried this: public int Width = Convert.ToInt32(System.Windows.Forms.Screen.PrimaryScreen.WorkingArea.Width); public int Height = Convert.ToInt32(System.Windows.Forms.Screen.PrimaryScreen.WorkingArea.Height); and sure enough, I get a couple of numbers; Width=1024 and Height=738 when running at 1024x768 - but I also get the same numbers when running at 1280x1024 (?) - so I just don't know what I'm actually reading here. The idea is to rescale some controls to make the best out of the actual resolution, and if I could do this server side I would be happy. But if client script is the only way, well then that's the way. Anyone with an opinion on this? Bjorn Have you tried something like int width = System.Windows.Forms.Screen.PrimaryScreen.Bounds.Width; int height = System.Windows.Forms.Screen.PrimaryScreen.Bounds.Height; -------------------- >NNTP-Posting-Date: Tue, 04 Dec 2007 11:26:49 -0600 >From: "Bjorn Sagbakken" <bjo-sag@online.no> [quoted text clipped - 11 lines] >NNTP-Posting-Host: 84.202.85.158 >X-Trace: sv3-Ji2rwuV7a67ups7LW5TgTZncplX98gcFY7uxwSCxqsZxDD4F212nilD+r3le+Hq/XjkfT+ZZ xIVbmJ/!/4vLCgW8rON3o+7LgZgaWKh5DOEtuQ4cRwLQvt3aOPSqWv3SILfTjXbmIOVdAvwC0JRS imztRLko >X-Complaints-To: news-abuse@telenor.net >X-DMCA-Complaints-To: news-abuse@telenor.net >X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers >X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly >X-Postfilter: 1.3.36 >Path: TK2MSFTNGHUB02.phx.gbl!TK2MSFTNGP01.phx.gbl!TK2MSFTFEEDS02.phx.gbl!news-out. cwix.com!newsfeed.cwix.com!newsfeed.gamma.ru!Gamma.RU!newsfeed.icl.net!newsf eed.fjserv.net!colt.net!feeder.news-service.com!xlned.com!feeder1.xlned.com! amsnews11.chello.com!feeder1.cambrium.nl!feeder5.cambrium.nl!feed.tweaknews. nl!63.218.45.11.MISMATCH!nx02.iad01.newshosting.com!newshosting.com!216.196. 98.140.MISMATCH!border1.nntp.dca.giganews.com!nntp.giganews.com!local01.nntp .dca.giganews.com!nntp.telenor.com!news.telenor.com.POSTED!not-for-mail >Xref: TK2MSFTNGHUB02.phx.gbl microsoft.public.dotnet.framework.aspnet:52379 >X-Tomcat-NG: microsoft.public.dotnet.framework.aspnet [quoted text clipped - 18 lines] > >Bjorn  SignatureThank You, Nanda Lella, This Posting is provided "AS IS" with no warranties, and confers no rights. The problem, of course, is that using server code to determine screen resolution will result in the *server* screen resolution being grabbed/returned. I'd use Javascript to do that client-side. <script language='javascript'> function ClientScreenInfo() { var = window.screen.width; var2 = window.screen.height; } </script> ...and store the values in hidden fields which you can manipulate in code. Juan T. Llibre, asp.net MVP asp.net faq : http://asp.net.do/faq/ foros de asp.net, en español : http://asp.net.do/foros/ ====================================== > Have you tried something like > [quoted text clipped - 58 lines] >> >>Bjorn > Have you tried something like > > int width = System.Windows.Forms.Screen.PrimaryScreen.Bounds.Width; > int height = System.Windows.Forms.Screen.PrimaryScreen.Bounds.Height; Yes, now I have. I get the same result as before. But when I read the other answers, I realize this would only give me the resolution on the server, not on the client. So a client script is probably the neccessary approach anyway. Bjorn > So a client script is probably the neccessary approach anyway. There is no other option... SignatureMark Rae ASP.NET MVP http://www.markrae.net >> So a client script is probably the neccessary approach anyway. > > There is no other option... Right. So now this works very well: Height=window.screen.height I write the height/width into a hidden field. Upon the first UpdatePanel postback this value is stored in a session variable so I can re-use this on various actions. Great. Bjorn > >> So a client script is probably the neccessary approach anyway. > [quoted text clipped - 5 lines] > postback this value is stored in a session variable so I can re-use this on > various actions. Great. You will also have to update the values when the user changes the browser size. >> >> So a client script is probably the neccessary approach anyway. >> [quoted text clipped - 9 lines] > You will also have to update the values when the user changes the > browser size. I know. That will be the next task. Bjorn >> So a client script is probably the neccessary approach anyway. > > There is no other option... Just one more issue: Ideally I want to dynamically detect the actual client browser size if this isn't in maximized mode. I tried "availHeight" instead of height, but the result is not quite clear (?) Any tip? Bjorn > Any tip? http://books.google.com/books?id=dtqqcgFbKNsC&pg=PA570&lpg=PA570&dq=%22document+ body+parentnode+clientwidth%22&source=web&ots=Ogz3fC5SiR&sig=B48ZS5_QfLQC4oYFj14 MUqUtIU0 SignatureMark Rae ASP.NET MVP http://www.markrae.net >> Any tip? > > http://books.google.com/books?id=dtqqcgFbKNsC&pg=PA570&lpg=PA570&dq=%22document+ body+parentnode+clientwidth%22&source=web&ots=Ogz3fC5SiR&sig=B48ZS5_QfLQC4oYFj14 MUqUtIU0 Thanks for a 1400 pages manual. I'm sure it't useful in many ways. At a glance, I just didn't find anything regarding the current subject hovewer.... Bjorn >>> Any tip? >> [quoted text clipped - 3 lines] > At a glance, I just didn't find anything regarding the current subject > hovewer.... The link I gave you takes you straight to page 570, where you will find the code that you require - did you read it...? SignatureMark Rae ASP.NET MVP http://www.markrae.net >>>> Any tip? >>> [quoted text clipped - 6 lines] > The link I gave you takes you straight to page 570, where you will find > the code that you require - did you read it...? I am sorry, Mark. I went straight to the top of the document to see what kind of file this was, and started to browse the index. I just didn't realize that you even had opened the book for me at the right page. So it is hereby proven what they say: You can lead a horse to the water, but you cannot make it drink. (Thanks again) Bjorn Do you mean the resolution on the client machine? You can get in on client side with javascript as window.screen.width and window.screen.height and pass these values to server side in hidden input controls. SignatureEliyahu Goldin, Software Developer Microsoft MVP [ASP.NET] http://msmvps.com/blogs/egoldin http://usableasp.net > Can screen resolution be detected with server code (in Page_Load) ? > [quoted text clipped - 15 lines] > > Bjorn > Do you mean the resolution on the client machine? You can get in on client > side with javascript as window.screen.width and window.screen.height and > pass these values to server side in hidden input controls. Very good idea. Thanks a lot. Bjorn Free MagazinesGet these publications absolutely FREE for up to 12 months. There are no hidden fees and no obligation. Simply choose a title, complete the application form and submit it. Read more ...
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