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• Silverlight 4 OOB application access HTML DOM of the page in WebBrowser control

  - by Mike Weerasinghe

  Does anybody know if it is possible to access and manipulate an element in the html page that is rendered by the Silverlight 4 WebBrowser control. The scenario is like this. The user launches a Silverlight OOB application with elevated trust. The user manipulates some data in the application but must submit part of the data to an external web site. If I open the external site in a WebBrowser control, is there any way I can assist the user by pre filling some information in the external sites' web form via programmatic access to the DOM?

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• Accessing html form input type=text using jquery from a windows forms webbrowser-control

  - by simply-tom

  I have two elements on my Windows Forms application: Webbrowser-Control Button Inside of the webbrowser-control I show a very simple html-form with two input type=text. I press the button and get access to both text fields. Last year at the Qt developer conference there was a quite good presentation: http://labs.trolltech.com/blogs/2009/04/17/jquery-and-qwebelement/ void highlightAllLinks() { QString code = "$('a').each( function () { $(this).css('background-color', 'yellow') } )"; view-page()-mainFrame()-evaluateJavaScript(code); } But I have to do this with .net and Windows Forms. Anyone knowing a good tutorial? Best regards,Tom

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• How to Clear an image control in WPF (C#)

  - by antongladchenko

  I have an image control with a source image located in my c drive. I get a message that the image is being used by another process whenever I try to delete the original image to change it with another one dynamically. How do I release the image from the image control to be able to delete it. I tried this variants: string path = ((BitmapImage)img.Source).UriSource.LocalPath; img.SetValue(System.Windows.Controls.Image.SourceProperty, null); File.Delete(path); And: string path = ((BitmapImage)img.Source).UriSource.LocalPath; img.Source = null; File.Delete(path) But it's not work...

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• How to align WPF Expander control toggle button

  - by Petezah

  Hi I was wondering is it possible to align the toggle button on a WPF expander control to the far right side?

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• Best Practices for Source Control Dependencies

  - by VirtuosiMedia

  How do you handle source control setup of a project that has dependency on a separate framework or library? For example, Project A uses Framework B. Should Project A also include the code from Framework B in its repository? Is there a way for it to be included automatically from a different repository or would I have to updated it manually? What are the general approaches are usually taken for this scenario? Assume that I control the repositories for both Project A and Framework B and that the source code for both is not compiled. Any resources or suggestions would be greatly appreciated. I'm currently using Subversion (on a very basic level), but I would like to switch to Mercurial so that I can try out Kiln with Fogbugz. Edit: In Mercurial, would you use parent repositories for this function?

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• How to programmatically answer "Yes" to WebBrowser control security alert

  - by ih8ie8

  I am using WebBrowser control to programmatically access a single website, but whenever I login, I receive this certificate security alert: Since I trust that website and since I need to programmatically automate the login as well, this dialog box gets in the way. I searched SO for a solution and found a question similar to mine, but the accepted answer does not work! I defined a static member in the form that contains the WebControl: public static bool ValidateServerCertificate(object sender, X509Certificate certificate, X509Chain chain, SslPolicyErrors sslPolicyErrors) { return true; } In my form's constructor I added: ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(ValidateServerCertificate); But that didn't get rid of the certificate security alert. Is there any way to get rid of this warning? Is there an IE equivalent to Firefox's Add Security Exception??? Note: The owner's certificate works perfectly fine (without exhibiting this security alert) with standalone browsers (IE, FF, Chrome, Safari). It only exhibits the problem with the WebBroswer control.

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• Source Control icons have disappeared in Visual Studio 2010

  - by Richard West

  Today I installed Visual Studio 2010 Ultimate - RTM. One item that I noticed that is different is that files listed in the Solution Explorer window not longer display the source control icons beside each file (the lock, unlocked, plus sign for new files, etc.). Is there a setting that I am overlooking to display these icons? I have setup Visual Studio 2010 to use my source control client correctly (SourceGear Vault), and it does appear to be working OK -- I'm just used to seeing the little icons by each file. Anyone out there experiencing this problem? Is there something I can do to get the icons back?

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• Issue 55 - Skin Object Tokens, Optimized Control Panel, OWS Validation and Security, RAD

  April 2010 Welcome to Issue 55 of DNN Creative Magazine In this issue we focus on the new Skin Object token method introduced in DotNetNuke 5 for adding tokens into a DotNetNuke skin. A Skin Object Token is a web user control which covers skin elements such as the logo, menu, search, login links, date, copyright, languages, links, banners, privacy, terms of use, etc. Following this we demonstrate how to install and use two Advanced DotNetNuke Admin Control Panels which are available for free from Oliver Hine. These control panels provide an optimized version of the admin control panel to improve performance and page load times, as well as a ribbon bar control panel which adds additional features. Next, we continue the Open Web Studio tutorials, this month we demonstrate some very advanced techniques for building a car parts application in Open Web Studio. Throughout the tutorial we cover form input, validation, how to use dependant drop down lists, populating checkbox lists and introduce a new concept of data level security. Data level security allows you to control which data a user can access within a module. To finish, we have part five of the "How to Build a News Application with DotNetMushroom Rapid Application Developer (RAD)" article, where we demonstrate how to implement paging. This issue comes complete with 14 videos. Skinning: Skin Object Tokens for DotNetNuke 5 (8 videos - 64mins) Free Module: Advanced Optimized Control Panel by Oliver Hine (1 video - 11mins) Module Development Series: Form Validation, Dependant Drop Downs and Data Level Security in OWS (5 videos - 44mins) How to Implement Paging with DotNetMushroom RAD View issue 55 to download all of the videos in one zip file DNN Creative Magazine for DotNetNuke Web Designers Covering DotNetNuke module video reviews, video tutorials, mp3 interviews, resources and web design tips for working with DotNetNuke. In 55 issues we have created 563 videos!Did you know that DotNetSlackers also publishes .net articles written by top known .net Authors? We already have over 80 articles in several categories including Silverlight. Take a look: here.

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• quartz: preventing concurrent instances of a job in jobs.xml

  - by Jason S

  This should be really easy. I'm using Quartz running under Apache Tomcat 6.0.18, and I have a jobs.xml file which sets up my scheduled job that runs every minute. What I would like to do, is if the job is still running when the next trigger time rolls around, I don't want to start a new job, so I can let the old instance complete. Is there a way to specify this in jobs.xml (prevent concurrent instances)? If not, is there a way I can share access to an in-memory singleton within my application's Job implementation (is this through the JobExecutionContext?) so I can handle the concurrency myself? (and detect if a previous instance is running) update: After floundering around in the docs, here's a couple of approaches I am considering, but either don't know how to get them to work, or there are problems. Use StatefulJob. This prevents concurrent access... but I'm not sure what other side-effects would occur if I use it, also I want to avoid the following situation: Suppose trigger times would be every minute, i.e. trigger#0 = at time 0, trigger #1 = 60000msec, #2 = 120000, #3 = 180000, etc. and the trigger#0 at time 0 fires my job which takes 130000msec. With a plain Job, this would execute triggers #1 and #2 while job trigger #0 is still running. With a StatefulJob, this would execute triggers #1 and #2 in order, immediately after #0 finishes at 130000. I don't want that, I want #1 and #2 not to run and the next trigger that runs a job should take place at #3 (180000msec). So I still have to do something else with StatefulJob to get it to work the way I want, so I don't see much of an advantage to using it. Use a TriggerListener to return true from vetoJobExecution(). Although implementing the interface seems straightforward, I have to figure out how to setup one instance of a TriggerListener declaratively. Can't find the docs for the xml file. Use a static shared thread-safe object (e.g. a semaphore or whatever) owned by my class that implements Job. I don't like the idea of using singletons via the static keyword under Tomcat/Quartz, not sure if there are side effects. Also I really don't want them to be true singletons, just something that is associated with a particular job definition. Implement my own Trigger which extends SimpleTrigger and contains shared state that could run its own TriggerListener. Again, I don't know how to setup the XML file to use this trigger rather than the standard <trigger><simple>...</simple></trigger>.

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• Displaying local images in the web browser control

  - by RichardK9

  Hi, I am writing a Windows Forms application and am creating a report for users to view in the webBrowser control. The problem is that it does not seem to display an image which is situated on my local hard drive, it just display the "broken image" red cross symbol. The path of the image is correct and when I view the source code of the generated html in either Firefox or Chrome it works but not in Internet Explorer (which I presume it what is used for this webBrowser control). Any help would be much appreciated. Thanks, Richard.

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• Check if line Index was changed in edit control

  - by John.SH

  Can i know or create a message which tells if the cursor moved to up or down a line in edit control?

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• HTTP Cache Control max-age, must-revalidate

  - by nyb

  I have a couple of queries related to Cache-Control. If I specify Cache-Control "max-age=3600, must-revalidate" for a static html/js/images/css file, with Last Modified Header defined in HTTP header, a. Does browser/proxy cache(liek Squid/Akamai) go all the way to orgin server to validate before max-age expires? Or will it serve content from cache till max-age expires? b. After max-age expiry(that is expiry from cache), is there a IMS check or is content re-downloaded from origin server w/o IMS check?

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• Embedding IWebbrowser2 ATL interface control in C# windows mobile smart device application

  - by Ramanand Bhat

  Hi All, We have developed an ATL smart device project for to save the web page locally in windows mobile device. The application uses native IWebbrowser2 ATL interface control to browse the web page and save the web page complete. Now we need to have our UI and other user interface controls to be designed and developed using C# also we have some UI module already available in C#. So please provide us a method to embed native IWebbrowser2 ATL interface control to the C# smart device project. your feedback will be greatly appreciated. Thanks, Ramanand Bhat.

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• Why are part-time jobs in programming an anomality?

  - by Mikle

  I've recently quit my full time developing job at mega-corp, and I decided that I'll look for a part time job. Since then I've talked to half a dozen potential employers, and every one of them had the same reaction when I said the magic words "part-time" - they all closed up and became suspicious. Now, I understand that it might just be me, so as control I asked every one of them what if I were willing to work full time, and they all said I would probably get an offer. My question is two fold: Why, as an employer, would you give up a competent, even great, developer, simply because he wants to work 3 days a week and not 5? How do I sell the story of part time job better? I usually just list my reasons which are that I prefer that balance currently in my life and that I want to work on my own projects, but it leaves them even more suspicious - am I going to start something myself and quit? Am I just lazy?

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• How can I let prospective employers know I'm a great developer?

  - by Zoe Gagnon

  I've recently read through Joel's guide to finding great developers (http://www.joelonsoftware.com/articles/FindingGreatDevelopers.html), and I feel really strongly that I am smart and get things done. The problem is, I didn't learn how to get things done until about halfway through college, so my GPA is less than stellar. Additionally, I've got a few other things going against me: late into the job market (~30), no internship, state college instead of university, and when I graduated, I pretty much had to take the first job that offered. With all of these things piled together, my resume (the first step to getting a job), is not terribly impressive. What can I do to let people know that I'm a great developer and would complement the best companies in the world?

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• Problem with image path of html files viewed by webbrowser control

  - by Royson

  I have an webbrowser control on my form. I am able display html files in that control. But my page contains some images if i give absolute path to it then images are displayed. But if i give relative path then images are not shown in the pages. I have HtmlPages folder located at bin folder. And i am assigning FileStream source = new FileStream(@"..\HtmlPages\supportHtml.html", FileMode.Open, FileAccess.Read); webBrowser.DocumentStream = source; If i assign D:\myapp\bin\HtmlPages\file.png then there is no problem. My images are stored in same folder. If i open html files with webbrowser then images are displayed. What is the correct path to set ??

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• Android rotate control

  - by user346665

  How to rotate control (checkbox) in 180 or 90 degrees ?

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• Why are part-time jobs in programming an anomaly?

  - by Mikle

  I've recently quit my full time developing job at mega-corp, and I decided that I'll look for a part time job. Since then I've talked to half a dozen potential employers, and every one of them had the same reaction when I said the magic words "part-time" - they all closed up and became suspicious. Now, I understand that it might just be me, so as control I asked every one of them what if I were willing to work full time, and they all said I would probably get an offer. My question is two fold: Why, as an employer, would you give up a competent, even great, developer, simply because he wants to work 3 days a week and not 5? How do I sell the story of part time job better? I usually just list my reasons which are that I prefer that balance currently in my life and that I want to work on my own projects, but it leaves them even more suspicious - am I going to start something myself and quit? Am I just lazy?

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• Be a better programmer or an irreplacable employee?

  - by mahen23

  Before I worked for a web development company, I asked a lot of questions of friends who were working as developers for tips about being good at your job. One answer I got was: "Always make the employers beg for your competencies. Prove to them that you are the best and you cannot be replaced. While keeping the status quo, hold your employers hostage where if one day they remove your from the job or task, no one else will be able to do your job." How true is this statement?

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• How do you think the industry for programmers is right now? [closed]

  - by Mercfh

  I recall 5-6 years ago there was quite a slump in jobs, but 5-6 years ago I was just starting college so I was oblivious to what was going on, however I had heard about it at many places. And obviously there's the recession that we are in now (although I've been told things have been getting better). So what's the job outlook for programmers right "now"? Good? Bad? Average? When I was looking for a job 2 months ago I "saw" quite a bit of job openings near my city, but that could've just been me living in a lucky "growing" area.

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• SharePoint People editor control - UpdatePanel postback issue

  - by rjn

  Hi I've a people editor control inside an update panel. During postback, I need to update the value of people editor control based on some selection. Though the value is getting updated, it is not being persisted on postback. I can see the value being updated when I debug. All other controls inside the update panel are working fine and their values are updated on postback. I have read blogs that we need to set the style attribute "display:block" on postback, but that's not working for me. Any suggestions highly appreciated. Thanks

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• Image gallery control for ASP.Net with filtering capabilities

  - by ks78

  I'm writing an ASP.Net application which needs to display a large number of thumbnails, preferably in a paginated format. These thumbnails will be stored on the server's hard disk, but will have their filenames listed in a SQL Server database. What I want to do is to be able to filter the images being displayed based on criteria within the database. I've looked at the NotesForGallery control, which I really like, but it doesn't seem to have a way to do that. --if I'm wrong, please correct me. Are there any other image gallery type controls, preferably free, that can do what I need? I'm hoping someone can recommend a control or solution that will point me in the right direction. Thanks in advance.

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• Enterprise Manager Grid Control licencelése

  - by Lajos Sárecz

  Gyakran kapok kérdéseket az Oracle Enterprise Manager Grid Control licencelésével kapcsolatban, ezért az alábbiakban igyekszem összefoglalni a legfontosabb információkat. Az alábbi ismerteto nem teljes köru, mivel számos olyan termék van (Data Masking, Real Application Testing, Real User Experience Insight, Application Testing Suite), melyek kapcsolódnak az Enterprise Manager-hez, azonban licencelésük másképp muködik. Az Enterprise Manager licenceléssel kapcsolatban az elsodleges információ forrás a Licensing Information doksi. A legfontosabb információk: - A Grid Control keretrendszer (Agent-ek és a konzol az alapfunkciókkal - lásd késobb) önmagában ingyenes, sot restricted-use licencet tartalmaz Oracle Database-re, amennyiben azt csak az Oracle Management Repository céljára használják. Fontos, hogy ez nem tartalmaz egyéb Oracle Database opciókat, mint például a RAC! Hasonlóképpen az Oracle WebLogic Server is kizárólagosan az Oracle Management Server kiszolgálására használható ingyenesen, de fürtözés nélkül. - A Grid Control alapfunkcionalitása: Discovery, Groups, Job Scheduling, Real time availability, Performance & monitoring, Target Home Pages, Administration, Console alerts - Az alapfunkcionalitás felügyelt termékektol függoen bovítheto Management Pack, Plug-in és Connector termékekkel. Alapvetoen ezek licencelése mindig a monitorozott, felügyelt termék licenceléséhez kell, hogy igazodjon. Tehát például ha 2 adatbázis szerverre szeretnénk Diagnostic Pack-ek használni, akkor mindkettore kell CPU vagy NUP (Named User Plus) licencet vásárolni, attól függoen az adatbázis maga milyen licenccel rendelkezik. Megjegyzem ezt a konkrét Management Pack-ek kizárólag Enterprise Edition Database esetén lehet alkalmazni. - Számos fizetos funkció külön telepítés nélkül is elérheto a Grid Control felületén (ugyanez igaz Database Control-ra és Fusion Middleware Control-ra is). Hogy elkerüljük a licenc sértést, érdemes ellenorízni hogy az adott környezetben mely Management Pack-ek használata került bekapcsolásra. Ezt a Grid Control Setup menüjében a Management Pack Access almenüben tehetjük meg legegyszerubben. Részleteseb leírás itt található. Database Diagnostic és Tuning Pack adatbázis szintu kikapcsolására is lehetoség van, hogy parancssorból se lehessen használni oket, errol korábban már írtam. Az egyes management termékek USD ára megtalálható az árlistában. Ha valami fontos kimaradt, várom a kérdéseket, hozzászólásokat, és igény szerint bovítem a fentieket.

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• What is the Browser version of a WebBrowser control in Windows Forms

  - by Chris Roberts

  I'm building a Windows Forms application which makes use of the WebBrowser control. Can anyone tell me what rendering engine the control uses? Is it fixed based on the version of the .NET framework I'm developing against or is it based on the version of IE installed on the client's machine? Does the client even need IE? In other words, if a website looks right in my application on my machine, is it reasonably safe to assume it'll render right on everyone else's machine? Thanks!

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• Feeding PDF through IInternetSession to WebBrowser control - Error

  - by Codesleuth

  As related to my previous question, I have developed a temporary asynchronous pluggable protocol with the specific aim to be able to serve PDF documents directly to a WebBrowser control via a database. I need to do this because my limitations include not being able to access the disk other than IsolatedStorage; and a MemoryStream would be far better for serving up PDF documents that average around 31kb. Unfortunately the code doesn't work, and I'm getting an error from the WebBrowser control (i.e. IE): Unable to download . Unable to open this Internet site. The requested site is either unavailable or cannot be found. Please try again later. The line in my code where this occurs is within the following: pOIProtSink.ReportData(BSCF.BSCF_LASTDATANOTIFICATION, (uint)_stream.Length, (uint)_stream.Length); However, if you download the project and run it, you will be able to see the stream is successfully read and passed to the browser, so it seems like there's a problem somewhere to do with the end of reading the data: public uint Read(IntPtr pv, uint cb, out uint pcbRead) { var bytesToRead = Math.Min(cb, _streamBuffer.Length); pcbRead = (uint)_stream.Read(_streamBuffer, 0, (int)bytesToRead); Marshal.Copy(_streamBuffer, 0, pv, (int)pcbRead); return (pcbRead == 0 || pcbRead < cb) ? HRESULT.S_FALSE : HRESULT.S_OK; } Here is the entire sample project: InternetSessionSample.zip (VS2010) I will leave this up for as long as I can to help other people in the future If anyone has any ideas why I might be getting this message and can shed some light on the problem, I would be grateful for the assistance. EDIT: A friend suggested inserting a line that calls the IInternetProtocolSink.ReportProgress with BINDSTATUS_CACHEFILENAMEAVAILABLE pointing at the original file. This prevents it from failing now and shows the PDF in the Adobe Reader control, but means it defeats the purpose of this by having Adobe Reader simply load from the cache file (which I can't provide). See below: pOIProtSink.ReportProgress(BINDSTATUS.BINDSTATUS_CACHEFILENAMEAVAILABLE, @"D:\Visual Studio Solutions\Projects\InternetSessionSample\bin\Debug\sample.pdf"); pOIProtSink.ReportData(BSCF.BSCF_LASTDATANOTIFICATION, (uint)_stream.Length, (uint)_stream.Length); This is progress though, I guess.

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