Web Development

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Re: Javascript: close window after printing Nick Parker24-Sep-02 2:58 Nick Parker 24-Sep-02 2:58  window.print(); should load the print dialog to the screen, however it won't run the window.close(); function until the print dialog has closed by the user hitting the print button or hitting the close button on the dialog. Otherise the code works for me. HTH Nick Parker The goal of Computer Science is to build something that will last at least until we've finished building it. - Unknown DQOTD leppie23-Sep-02 23:53 leppie 23-Sep-02 23:53  HI all After reading the funny post about a "tree being hit ny lightning" I realise I have not got this tree control. Is this extra stuff you need to download? Or did I delete it in my sleep? Thanx all Give them a chance! Do it for the kittens, dear God, the kittens! Re: DQOTD leppie23-Sep-02 23:58 leppie 23-Sep-02 23:58  Ehhh . Ok I found it Are there any other nice goodies like this available from MS? Cheers Give them a chance! Do it for the kittens, dear God, the kittens! css-color of scrollbars kelly_attrill23-Sep-02 15:28 kelly_attrill 23-Sep-02 15:28  I have read the messages about changing the colors of scrollbars, can this be done on elements within a form only - eg. a textarea or select box. Re: css-color of scrollbars Paul Watson23-Sep-02 21:43 Paul Watson 23-Sep-02 21:43  kelly_attrill wrote: can this be done on elements within a form only - eg. a textarea or select box. Firstly you should not be wanting to do this. It is an IE specific feature, not part of any standard and takes control and familiarity away from the user. Saying that: Yes you can do what you are asking. You simply assign the same scroll bar CSS attributes to the form element that you want styled. e.g. <textarea style="width:200px; height: 200px; scrollbar-Face-Color: #ffcc00;"> Not recommended but this is how you do it anyway </textarea> That would make the scroll bar face of your textarea orange. Obviously when you do it for real rather use a CSS class than an inline style. Paul Watson Bluegrass Cape Town, South Africa Database Question jpepper23-Sep-02 9:50 jpepper 23-Sep-02 9:50  Hi, I'm new at ASP.NET, and I'm designing a web app to access a database on the server, the problem is I don't know what to put as my connection string. The program works fine when I use a .mdb database on my local hard drive, but I want to connect to a database thats in the data directory on my server. What would my connection string be, the app is being written in C# with the code in a .dll. Thanks Re: Database Question Paul Ingles24-Sep-02 12:56 Paul Ingles 24-Sep-02 12:56  I don't have one to hand, but what you can do is use Server Explorer to create the connection for you (see the MSDN help for more info), this then has the added advantage you can view the database as you're developing code for it. When you select a connection you'll see some stuff in the properties window, in there should be a connection string. If you need more info let me know and I'll come up with a better answer -- Paul "I need the secure packaging of Jockeys. My boys need a house!" - Kramer, in "The Chinese Woman" episode of Seinfeld MS Messenger: paul@oobaloo.co.uk Sonork: 100.22446 PNG alpha channel support in IE6 Shog923-Sep-02 8:42 Shog9 23-Sep-02 8:42  I wanted a nice transparent image on a web page, and having shadows, etc. i saved as a PNG with alpha channel. But it appears as grey in IE6. Am i hallucinating? Is there something i need to turn on/off/some weird CSS style that needs to be set? Shog9 ------ If you really what to get shitfacde tell a crowded bar that is is yourt borthday and hife your wallet. you ka will many more friends. - David Wulff, Brithday selebrations, 9/19/02 Re: PNG alpha channel support in IE6 Paul Watson23-Sep-02 21:32 Paul Watson 23-Sep-02 21:32  Shog9 wrote: But it appears as grey in IE6. Am i hallucinating? Is there something i need to turn on/off/some weird CSS style that needs to be set? I did some investigating and found that you have to use PNG 8bit for IE6 to recognise the alpha channel. e.g. In Macromedia Fireworks I exported a PNG file in 8bit format and set the transparency to the alpha channel, then and only then did IE6 display the transparency properly. PNG 24bit and 32bit did not work. What graphics tool are you using? Paul Watson Bluegrass Cape Town, South Africa Re: PNG alpha channel support in IE6 Shog924-Sep-02 5:21 Shog9 24-Sep-02 5:21  Paul Watson wrote: What graphics tool are you using? PSP7... Was thinking about trying photoshop when i got home, then forgot about it. Paul Watson wrote: PNG 24bit and 32bit did not work. alright, i'll reduce it to 8bit then. *sigh*... when, oh when, are we gonna get out of the '90s... Shog9 ------ If you really what to get shitfacde tell a crowded bar that is is yourt borthday and hife your wallet. you ka will many more friends. - David Wulff, Brithday selebrations, 9/19/02 Re: PNG alpha channel support in IE6 Richard Deeming24-Sep-02 0:08 Richard Deeming 24-Sep-02 0:08  Have a look at http://webfx.eae.net/dhtml/pngbehavior/pngbehavior.html[^] Re: PNG alpha channel support in IE6 Shog924-Sep-02 5:22 Shog9 24-Sep-02 5:22  Wow, Thanks Richard! You just saved me hours of converting images Shog9 ------ If you really what to get shitfacde tell a crowded bar that is is yourt borthday and hife your wallet. you ka will many more friends. - David Wulff, Brithday selebrations, 9/19/02 Re: PNG alpha channel support in IE6 Paul Watson24-Sep-02 20:47 Paul Watson 24-Sep-02 20:47  Shog9 wrote: Wow, Thanks Richard! You just saved me hours of converting images Being the standards nazi I am I have to remind you that while Richard's link is useful and quite cool, it will only work in IE. Which is a bad thing. My 2 cents Paul Watson Bluegrass Cape Town, South Africa Re: PNG alpha channel support in IE6 Shog925-Sep-02 3:45 Shog9 25-Sep-02 3:45  Ah, yes. But, PNG alpha already works in mozilla, so no worries! Shog9 ------ If you really what to get shitfacde tell a crowded bar that is is yourt borthday and hife your wallet. you ka will many more friends. - David Wulff, Brithday selebrations, 9/19/02 Re: PNG alpha channel support in IE6 benjymous25-Sep-02 0:33 benjymous 25-Sep-02 0:33  This is a handy page too: http://entropymine.com/jason/testbed/pngtrans/[^] For reference, on this machine IE6 gets it horribly wrong, but Mozilla 1.1 is perfect -- Help me! I'm turning into a grapefruit! Re: PNG alpha channel support in IE6 Shog925-Sep-02 3:51 Shog9 25-Sep-02 3:51  Interesting! Thanks benjymous Shog9 ------ If you really what to get shitfacde tell a crowded bar that is is yourt borthday and hife your wallet. you ka will many more friends. - David Wulff, Brithday selebrations, 9/19/02 Transferring info between to pages - secure? Martin Haesemeyer23-Sep-02 3:07 Martin Haesemeyer 23-Sep-02 3:07  Hello! I need to share some information (username, password) between pages (to submit them to calls to a web service). Now the Session object is individual for each page and I don't think it is a good idea to transfer the username and password etc. in the Url (like mypage.aspx?userName=""&password=""). So is there any possibility to share such information between different pages of my app? Cheers and thanks in advance Martin "Situation normal - all fu***d up" Illuminatus! Re: Transferring info between to pages - secure? Paul Riley23-Sep-02 4:17 Paul Riley 23-Sep-02 4:17  Throwing the password backwards and forwards isn't a good idea at the best of times. Try to validate the user id using the password once and then pass the user id around in a cookie. If you must use the password, encrypt it and put that in a cookie too. Paul Re: Transferring info between to pages - secure? Martin Haesemeyer23-Sep-02 4:42 Martin Haesemeyer 23-Sep-02 4:42  Thanks, I think I'll try it with two cookies... Paul Riley wrote: Throwing the password backwards and forwards isn't a good idea at the best of times. Yeah, I know but the problem is that I'm calling different methods of a webservice (written by me so I could change that) from different websites - and I wanted to make sure that the user has the rights to call the specific method from within the webservice (because he could easily invoke the webservice without using my webclient, I think). Therefore the webservice needs user information passed (in a soapheader) with every call. But maybe this approach is flawed in itself? But how can I secure a webservice from unauthorized access? Cheers and thanks Martin "Situation normal - all fu***d up" Illuminatus! Re: Transferring info between to pages - secure? Paul Riley23-Sep-02 4:54 Paul Riley 23-Sep-02 4:54  Hmmm... I see your point. Maybe you need to have a method in your webservice that authenticates a user/pw combo (storing details in private properties) and not allow a program or web site call any other methods until they've authenticated? Alternatively, you might be able to use web.config authorisation but possibly not if your site is hosted. Or I believe WebServices have been designed to allow you to sell access to the service. I don't know too much about that though. If you look into it, you might be able to use that. Just a few ideas... if you find the answer, can you let me know? I might need this soon myself. Paul Re: Transferring info between to pages - secure? Martin Haesemeyer23-Sep-02 6:10 Martin Haesemeyer 23-Sep-02 6:10  Paul Riley wrote: Hmmm... I see your point. Maybe you need to have a method in your webservice that authenticates a user/pw combo (storing details in private properties) and not allow a program or web site call any other methods until they've authenticated? That was my first thought. But the problem with this approach is: I need to create the webservice from my web application everytime a new page loads. So I would need to know the password and username at least at this point which is the same problem. If I could share the instance of the webservice across my whole web app (but AFAIK that isn't possible) I could even save the fact that the user has been authorised in the Session object of the webservice. Paul Riley wrote: Alternatively, you might be able to use web.config authorisation but possibly not if your site is hosted. This wouldn't be an issue. I create the application just for fun and don't think I'll host it anywhere else than on my machine... Paul Riley wrote: Or I believe WebServices have been designed to allow you to sell access to the service. I don't know too much about that though. If you look into it, you might be able to use that. I sure will - but I won't dig deeper until next week, for tomorrow is my last "Vordiplomsprüfung" and after that - well you can figure. My second thougt was just to let the application authorize itself with the webservice(with fixed "user"name and password) but that seems a little bit awkward. Well I'll wait and see... Thank you very much for your answers Martin "Situation normal - all fu***d up" Illuminatus! Security again? zhoujun22-Sep-02 23:34 zhoujun 22-Sep-02 23:34  If I create a permant cookie by calling RedirectFromLoginPage("",true), After sometime,I specify "false". Then the users who have accessed to my website before I disable the permant cookie can still access to my web without user/pass checked? I set up autoentication timeout=30minutes,but after that period of time,when user focus on the page again,they will be surprised that they are directed to login.aspx. So could it be possilbe to display something that the users are timed out? Thanks. this is my signature for forums quoted from shog*9: I can't help but feel, somewhere deep within that withered, bitter, scheming person, there is a small child, frightened, looking a way out. Re: Security again? Martin Haesemeyer23-Sep-02 3:03 Martin Haesemeyer 23-Sep-02 3:03  Hi! zhoujun wrote: Then the users who have accessed to my website before I disable the permant cookie can still access to my web without user/pass checked? Yes I think that this is true you have to sign them out first or maybe specify a different user name in you second call to RedirectFromLoginPage(..) zhoujun wrote: So could it be possilbe to display something that the users are timed out? Yeah I would be interested in this one too... Cheers Martin "Situation normal - all fu***d up" Illuminatus! Re: Security again? zhoujun23-Sep-02 15:08 zhoujun 23-Sep-02 15:08  Thanks again,Martin. or maybe specify a different user name in you second call to RedirectFromLoginPage(..) How to do that?Could you say more? Thanks. this is my signature for forums quoted from shog*9: I can't help but feel, somewhere deep within that withered, bitter, scheming person, there is a small child, frightened, looking a way out. Re: Security again? Martin Haesemeyer24-Sep-02 2:25 Martin Haesemeyer 24-Sep-02 2:25  zhoujun wrote: How to do that?Could you say more? My thought was, that maybe when u specify a different username string (can be build from the original one, a suffix should be sufficient) in your second call to FormsAuthentication.RedirectFromLoginPage this new cooki will be used for authentication, but I don't know if it would work. The best and cleanest way is maybe to first call FormsAuthentication.SignOut() to remove the persistent cookie and then log the user back in with your non-persistent cookie. Cheers Martin "Situation normal - all fu***d up" Illuminatus!

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