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• Visual Studio 2008. MFC event wizard broken

  - by G Forty

  OK, so it's almost a programming question - The VS2008 dialog event wizard has stopped working. Double-clicking on a button in an MFC dialog project does not fire the wizard as usual and a right-click to get to the 'Add Event Handler...' shows a dialog with no message types. Further to this the MFC message mapping and virtual class listing that generally appears in the properties window (Alt + Enter) is now empty. Has anyone elese seen this and if so, how'd they fix it? I have 'repaired' my VS08 installation ... Thx++ Jerry

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• WCF extensions without including the assembly version

  - by Marc Gravell

  As discussed here, I'm trying to add a WCF endpoint-extension; I've got it working, but I need to include the full assembly details: <extensions> <behaviorExtensions> <add name="protobuf" type="ProtoBuf.ServiceModel.ProtoBehaviorExtension, protobuf-net, Version=1.0.0.275, Culture=neutral, PublicKeyToken=257b51d87d2e4d67"/> </behaviorExtensions> </extensions> What I would like to do (to avoid issues when updating etc, especially for samples) is to include just the names: <add name="protobuf" type="ProtoBuf.ServiceModel.ProtoBehaviorExtension, protobuf-net"/> (which is what you might expect from standard assembly-naming conventions) However, if I do this, I get a big error: Parser Error Message: An error occurred creating the configuration section handler for system.serviceModel/behaviors: Extension element 'protobuf' cannot be added to this element. Verify that the extension is registered in the extension collection at system.serviceModel/extensions/behaviorExtensions. Is it possible (and if so: how) to add an extension without having to specify the assembly-version?

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• Will the URL /nosuchpage get routed via my ASP.NET MVC application?

  - by Gary McGill

  [I'm trying to figure out the reason why I'm having another problem, and this question is part of the puzzle.] I have an MVC 2 website that has routing set up so that URLs such as /Customer/23/Order/47 get handled by various controllers. I do not have a rule that would match, for example, /nosuchpage and in my Cassini environment a request for that URL will trigger my Application_Error code, which lets me log the error and show a friendly response. However, when I deployed this website on IIS7 using integrated mode, my Application_Error is not triggered, and IIS shows its own 404 message. No matter what I've tried, I can't get Application_Error to fire. Now I'm thinking: is the reason it doesn't fire because the request is not getting routed via my application? Either because I didn't explicitly set up a catch-all route, or because the file-extension fools it into thinking it should use the "static file handler" (whatever that is)? Should I expect my Application_Error to be invoked?

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• GWT removeHandler on first event notification

  - by Keith

  I want to remove a GWT event handler the first time I receive an event. I also want to avoid polluting my class with tracking registration objects that aren't really necessary. I currently have it coded as: final HandlerRegistration[] registrationRef = new HandlerRegistration[1]; registrationRef[0] = dialog.addFooHandler(new FooHandler() { public void onFoo(FooEvent event) { HandlerRegistration removeMe = registrationRef[0]; if(removeMe != null) { removeMe.removeHandler(); } // do stuff here } }); but the use of registrationRef makes the code less readable. Is there a better way to do this without adding variables to my class?

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• AuthenticationType Negotiate vs NTLM

  - by Claudio Redi

  I have the same code base used on 2 different sites hosted on the same server (IIS 7.5). For some reason, when I check the Identity.AuthenticationType property on the code behind of an http handler I see NTLM for 1 site and Negotiate for the other. This is causing some problems and I need both of them to use NTLM. Could you help me to figure out why this difference? So far I see both IIS sites are configured on the same way but of course there is at least 1 difference that I couldn't detect. Thanks!

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• AJAX calls from multiple browser tabs at the same time:

  - by Bindi

  When an user tries to send AJAX requests simultaneously from multiple browser tabs, the earlier requests get completed and the page loads but the other AJAX calls are preempted. AS a result of which the response is empty for the other calls. Only one call survives. In my application using struts 2.0, JSP and javascript and the prototype framework, i found that the server response is empty in the cases mentioned above though the data gets updated in teh database with the request parameters. The onSucess event handler for Ajax.request gets called but the the response is empty. Can you please help? Thanks

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• How to programmatically change a data cell of Ms Access using VB.Net?

  - by manuel

  I have a Microsoft Access database file connected to VB.NET. In the database table, I have a 'No.' and a 'Status' column. Then I have a textbox where I can input an integer. I also have a button, which will change the data cell in 'Status' where 'No.' = textbox.Text(), when I click it. Let's say I want the 'Status' cell to be changed to "Low". What codes should I put in the button_Click event handler? Here is the codes I used to retrieve and display the database table. Public Class theForm Dim con As New OleDb.OleDbConnection Dim ds As New DataSet Dim daTitles As OleDb.OleDbDataAdapter Private Sub theForm_Load(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles MyBase.Load con.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0; Data Source=|DataDirectory|\db1.mdb" con.Open() daTitles = New OleDb.OleDbDataAdapter("SELECT * FROM Titles", con) daTitles.Fill(ds, "Titles") DataGridView1.DataSource = ds.Tables("Titles") DataGridView1.AutoResizeColumns() End Sub

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• Implement keyboard control in JavaScript Grid

  - by Vanco

  I finished building a JavaScript grid control, end everything works fine. Paging, button navigation, column sorting, etc. The cells in the grid are DIVs which are generated using Mootools 1.2.4 (which is heavily used throughout the control). I want to implement keyboard control for the grid, both for paging (page up/page down) and for moving with arrow keys inside the rows/cells of the grid. I think that I have to attach an event handler on each cell of the grid and detect what key is being pressed in order to take an appropriate action. But, I can't set the focus on the cells. What am I missing? How do I do this? Any help is appreciated.

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• extjs4 display tooltip on button click instead of mouse hover

  - by user856753

  I am trying to add a on click listener to the below tooltip. I do not want the tooltip to display on mouse hover. Instead it need it show on button click. Do I have to add a handler function inside a listener? { xtype: 'button', cls:'my-btn', iconCls:'question', src:'../www/css/slate/btn/question.png', padding: '5 0 0 0', listeners: { render: function(cmp) { Ext.create('Ext.tip.ToolTip', { closable:true, hideDelay : 3000, padding: '0 0 0 0', maxWidth:400, width:800, target: cmp.el, html: "<b>read-only</b>:Users will have read only access to all pages", getTargetXY: function() { return [810, 340]; } }); } } },

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• How do I copy input from one textbox to another via checkbox using jQuery?

  - by Jesse

  I'm cleaning up a simple form that has a Start Date textbox and an End Date textbox. I want to add a checkbox in between these fields that the user can check if the End Date is the same as the Start Date, so when they check it, the Start Date input value (e.g., 04/01/09) will automagically appear in the End Date textbox, so they don't have to type in the same date twice. Does that make sense? BTW, I'm using the sexy jquery datepicker UI, and it's sweet, but I just can't figure out the above problem. I know there's a simple solution (event handler?) but I'm stumped.

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• Silverlight4 Printing Question

  - by hallgato.attila

  Hello everyone! I'm having a problem with printing. Is it possible to print a (customized) DataGrid which doesn't fit the page? a) Using a ViewBox to make it fit one page. My problem here is that I can get the PrintableArea.Width and PrintableArea.Height in the PrintPage EventHandler, from the PrintPageEventArgs, but in that Event Handler I can't set the size of an UIElement before it gets printed. b) Multiple pages. Is it possible somehow to print the whole DataGrid, even the parts which are not visible (don't fit the page) and to somehow make the PrintableArea only a part of the DataGrid?

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• Storing uploaded content on a website

  - by Matt

  For the past 5 years, my typical solution for storing uploaded files (images, videos, documents, etc) was to throw everything into an "upload" folder and give it a unique name. I'm looking to refine my methods for storing uploaded content and I'm just wondering what other methods are used / preferred. I've considered storing each item in their own folder (folder name is the Id in the db) so I can preserve the uploaded file name. I've also considered uploading all media to a locked folder, then using a file handler, which you pass the Id of the file you want to download in the querystring, it would then read the file and send the bytes to the user. This is handy for checking access, and restricting bandwidth for users.

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• htaccess - Redirects with more than 1 slash not working

  - by barfoon

  Hey everyone, Just moved to shared hosting on GoDaddy and Im trying to get my .htaccess rules working. Heres what I have: ErrorDocument 404 /error.php Options FollowSymLinks RewriteEngine On RewriteBase / RewriteCond %{HTTP_HOST} ^www\.mydomain\.org$ RewriteRule ^(.*)$ http://mydomain.org/$1 [R=301,L] RewriteRule ^view/(\w+)$ viewitem.php?itemid=$1 [R=301,L] RewriteRule ^category/(\w+)$ viewcategory.php?tag=$1 [R=301,L] RewriteRule ^faq$ faq.php RewriteRule ^about$ about.php RewriteRule ^contact$ contact.php RewriteRule ^submit$ submit.php RewriteRule ^contactmsg$ handler-contact.php All the pages @ the root of the domain seem to be working i.e mydomain.org/faq, mydomain.org/about are working. But whenever I try mydomain.org/category/somecategory, I get a 404. How can I fix my .htaccess to obey these rules that are more than 1 level deep? Thanks,

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• C# progress bar not synced with download (WebClient class)

  - by dominiquel

  Hi, I am coding a system which has a small FTP module included inside, it's not the main feature at all, but needed... I must link the progressbar with the WebClient class event DownloadProgressChangedEventHandler and AsyncCompletedEventHandler, the progressbar increment is ok, and the ASyncCompletedEventHandler launch a MessageBox (as intended), the problem is that the progress bar see to load too slow... problem : My MessageBox pop at 100% (launched by the event handler), BUT when the MessageBox pop my progress bar is only at +-80% (but the .VALUE is really 100), the first though I had was that they have added a "smooth" effect in Windows Vista which slow down the progressbar relatively to it's true value. If any of you have experienced the same problem thanks for your help.

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• How to serve a View as CSV in ASP.NET Web Forms

  - by ChessWhiz

  Hi, I have a MS SQL view that I want to make available as a CSV download in my ASPNET Web Forms app. I am using Entity Framework for other views and tables in the project. What's the best way to enable this download? I could add a HyperLink whose click handler iterates over the view, writes its CSV form to the disk, and then serves that file. However, I'd prefer not to write to the disk if it can be avoided, and that involves iteration code that may be avoided with some other solution. Any ideas?

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• Controlling PowerPoint Slideshow

  - by Jayesh

  Hi, I have a scenario: There is a Slideshow running in PowerPoint. I want to control the movement [Next and Previous] of the slides. Of course it is possible with the [ and < button on the keyboard], but is there any way in which I can have a custom application listening to the Next and Previous controls? As in, my custom application has nothing but 2 buttons, next and previous, when I click either, the button's event handler should pass the control to the Power Point Application running the slideshow. And thus, the powerpoint will move the slideshow back or forward? Somewhat similar to the way remote, wireless Power Point Presenters work on the s/w end. Thank You.

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• Get latitude and longitude using map interface

  - by Dave Jarvis

  Problem Allow website users to enter four latitude and longitude coordinates. Proposed Solution Integrate Google Maps API, and add a click event handler, similar to: http://itouchmap.com/latlong.html http://stackoverflow.com/questions/2770421/how-retrieve-latitude-and-longitude-via-google-maps-api http://marcgrabanski.com/article/jquery-google-maps-tutorial-basics The data would populate into a hidden form field. Questions What other ways (besides <input type='text' ... />) outside of Google's API are available to solve the problem? How would you restrict the number of lat/long points the user can choose? Would using those coordinates violate Google's Terms of Service? Thank you!

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• Disable buttons on post back using jquery in .net app

  - by Chris Lively

  I have a asp.net app that I want to disable the buttons as soon as they are clicked in order to prevent multiple submissions. I'd like to use jquery for this as the site already liberally uses it anyway. What I've tried is: $(document).ready(function () { $("#aspnetForm").submit(function () { $('input[type=submit]', $(this)).attr("disabled", "disabled"); }) }); The above will disable the button, and the page submits, but the asp.net button on click handler is never called. Simply removing the above and the buttons work as normal. Is there a better way?

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• jQuery and ASP.NET drop down problem

  - by Sayem Ahmed

  I have a drop down in an ASP.NET page. Whenever the value of the drop down changes an ASP.NET AJAX request is made to the server. I also attached a jQuery "change" event handler to that list to execute some code when the value is changed. So, probably two different event handlers are being attached to the same drop down, and it's causing some problems, i.e., sometimes wrong drop down values are sent to the server. I don't know why is this happening but I think attaching two different event handlers to a same drop down may be the reason. Can anyone tell me what is the problem here? If what I guessed is true, then is there any other way to execute some custom javascript code before asp.net AJAX request is sent ?

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• Events on controls in web server control

  - by MarkyMarc

  Hi All, I'm creating a web server control that has an image button on it. The html for the control is done in the RenderControls of the code, the control devrives from WebControl, IScriptControl, INamingContainer. The button is coded as follow in the RenderControls: System.Web.UI.WebControls.ImageButton img = new System.Web.UI.WebControls.ImageButton(); img.ImageUrl = "Url of the image"; img.Click += new ImageClickEventHandler(img_Click); img.ID = this.ClientID + "_img"; img.CausesValidation = false; imgLock.RenderControl(output); The button apreas in the browser but when i click on it, the page postsback but the event handler for the button doesn't get fired, from what i can figure out, since the control goes throught RenderControls eachtime the page is posted back, the button gets redrawn and the event handling disapears. This server control is in a master page. Anyone can help me on this? Thanks

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• Shutting down a WPF application from App.xaml.cs

  - by Johannes Rössel

  I am currently writing a WPF application which does command-line argument handling in App.xaml.cs (which is necessary because the Startup event seems to be the recommended way of getting at those arguments). Based on the arguments I want to exit the program at that point already which, as far as I know, should be done in WPF with Application.Current.Shutdown() or in this case (as I am in the current application object) probably also just this.Shutdown(). The only problem is that this doesn't seem to work right. I've stepped through with the debugger and code after the Shutdown() line still gets executed which leads to errors afterwards in the method, since I expected the application not to live that long. Also the main window (declared in the StartupUri attribute in XAML) still gets loaded. I've checked the documentation of that method and found nothing in the remarks that tell me that I shouldn't use it during Application.Startup or Application at all. So, what is the right way to exit the program at that point, i. e. the Startup event handler in an Application object?

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• How can you block access form internet explorer in asp mvc

  - by Chase Aucoin

  I love microsoft development products! I hate microsoft browsers... I have made the decision to cut ties with internet explorer until they add support for some common W3 approved items. Namely 'multiple' in forms as well as about 5 other things... and as such I would like to urge my visitors to use a better browser. is there a way to setup an http handler or perhaps something in the asax file to route all ie users to a custom page? Thanks for the help! p.s. microsoft why must you make me love you and hate you.

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• Deferring signal handling in Linux

  - by EpsilonVector

  I'm trying to figure out how to block a signal in Linux kernel 2.4 (user space) from invoking its handler, but keep it available to be handled later, preferably as soon as I re activate the handling of said signal. The function sigprocmask seem to come up in all my search results, but I can't find a good, clear description that explains whether the blocked signal gets "saved" to be handled later, and if so where and how do I handle it when I'm ready for it. Can someone please clarify what's going on, preferably with a code example? Thanks in advance.

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• Wicket app in embedded Jetty causes UnsupportedClassVersionError

  - by Ondra Žižka

  I've tried to run a Wicket app in an embedded Jetty, using this code: public static void main( String[] args ){ Server server = new Server(8080); Context root = new Context( server, "/", Context.SESSIONS ); FilterHolder filterHolder = new FilterHolder( new WicketFilter() ); filterHolder.getInitParameters().put("applicationClassName", cz.dw.test.WicketApplication.class.getName() ); root.addFilter( filterHolder, "/*" , Handler.ALL ); try { server.start(); } catch (Exception ex) { ex.printStackTrace(); } } But I got java.lang.UnsupportedClassVersionError: Bad version number in .class file. Switching the target class version for my app (1.6 - 1.5) did not help. I use Sun JDK 1.6.0_17, Wicket 1.4.8, Jetty 6.1.24. I tried to debug, but the JRE classes have no debug data. The stacktrace is of no use as it happens when loading the classes into JVM. Any ideas what could be wrong? How can I find which class is causing this? Thanks, Ondra

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• Can I use jQuery Ajax in a SharePoint WebPart without having to worry about the same origin policy?

  - by mythicdawn

  Hi all, My current project for work involves developing a SharePoint 2007 WebPart which will be deployed by our clients. To provide a better user experience, I am "simulating" AJAX via setting the SRC attirbute of an IFRAME to be the address of an HTTP handler. These handlers are deployed to the layouts directory in the 12 hive. Although this works, I would prefer to use the $get() method of jQuery. Will this work reliably in my scenario or will I still be subject to the same origin policy? What about the scenario where the WebPart is being deployed to various places on a SharePoint farm? Will there be any problems with using $get() in that case? Thank you!

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