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  • Xceed DataGrid SelectedItem issue

    - by Patrick K
    In my project I have an Xceed data grid which is bound to a data source with many records and record details. I am attempting to create a context menu option that will allow the user to search for a specific detail in a specific column. While I have successfully completed the functionality there is a UI part that is giving me some trouble, in that when I select the row in C#, if that row is not in view the row is never focused on. Thus the user has to scroll up and down looking for the row with expanded details. I am able to set the SelectedRow and expand the details like so: this.grid.AutoFilterValues[userColumn].Clear(); this.grid.AutoFilterValues[userColumn].Add(userValue); if (this.creditLinesDataGridControl.Items.Count > 0) { this.grid.SelectedItem = this.grid.Items[0]; this.grid.ExpandDetails(this.grid.Items[0]); } else { MessageBox.Show("Value not found in column: " + userColumn); } this.grid.AutoFilterValues[userColumn].Clear(); where userColumn and userValue are set previously in the method. How can I make the grid focus on the row after I've set the SelectedItem and expanded the details? Thanks, Patrick

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  • MVCContrib ActionFilter PassParametersDuringRedirect still passes reference type in querystring

    - by redsquare
    I am attempting to use the PRG pattern in an asp.net mvc 2 rc application. I found that the MVCContrib project has a custom action filter that will auto persist the parameters in TempData In an action I have the following return this.RedirectToAction(c => c.Requested(accountAnalysis)); however this is adding a querystring param to the request e.g http://mysite.com/account/add?model=MyProject.Models.AccountAnalysisViewModel Can anyone explain how I can use the PassParametersDuringRedirect filter attribute from MVCContrib to not pass the ViewModel type in the querystring. I see a patch was issued to fix this however in the latest MvcContrib that supports MVC 2 RC it is commented out as follows public static RedirectToRouteResult RedirectToAction<T>(this Controller controller, Expression<Action<T>> action) where T : Controller { /*var body = action.Body as MethodCallExpression; AddParameterValuesFromExpressionToTempData(controller, body); var routeValues = Microsoft.Web.Mvc.Internal.ExpressionHelper.GetRouteValuesFromExpression(action); RemoveReferenceTypesFromRouteValues(routeValues); return new RedirectToRouteResult(routeValues);*/ return new RedirectToRouteResult<T>(action); } Any help much appreciated. Thanks

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  • Linq to SQL and concurrency with Rob Conery repository pattern

    - by David Hall
    I have implemented a DAL using Rob Conery's spin on the repository pattern (from the MVC Storefront project) where I map database objects to domain objects using Linq and use Linq to SQL to actually get the data. This is all working wonderfully giving me the full control over the shape of my domain objects that I want, but I have hit a problem with concurrency that I thought I'd ask about here. I have concurrency working but the solution feels like it might be wrong (just one of those gitchy feelings). The basic pattern is: private MyDataContext _datacontext private Table _tasks; public Repository(MyDataContext datacontext) { _dataContext = datacontext; } public void GetTasks() { _tasks = from t in _dataContext.Tasks; return from t in _tasks select new Domain.Task { Name = t.Name, Id = t.TaskId, Description = t.Description }; } public void SaveTask(Domain.Task task) { Task dbTask = null; // Logic for new tasks omitted... dbTask = (from t in _tasks where t.TaskId == task.Id select t).SingleOrDefault(); dbTask.Description = task.Description, dbTask.Name = task.Name, _dataContext.SubmitChanges(); } So with that implementation I've lost concurrency tracking because of the mapping to the domain task. I get it back by storing the private Table which is my datacontext list of tasks at the time of getting the original task. I then update the tasks from this stored Table and save what I've updated This is working - I get change conflict exceptions raised when there are concurrency violations, just as I want. However, it just screams to me that I've missed a trick. Is there a better way of doing this? I've looked at the .Attach method on the datacontext but that appears to require storing the original version in a similar way to what I'm already doing. I also know that I could avoid all this by doing away with the domain objects and letting the Linq to SQL generated objects all the way up my stack - but I dislike that just as much as I dislike the way I'm handling concurrency.

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  • How to populate Java (web) application with initial data using Spring/JPA/Hibernate

    - by Tuukka Mustonen
    I want to setup my database with initial data programmatically. I want to populate my database for development runs, not for testing runs (it's easy). The product is built on top of Spring and JPA/Hibernate. Developer checks out the project Developer runs command/script to setup database with initial data Developer starts application (server) and begins developing/testing then: Developer runs command/script to flush the database and set it up with new initial data because database structures or the initial data bundle were changed What I want is to setup my environment by required parts in order to call my DAOs and insert new objects into database. I do not want to create initial data sets in raw SQL, XML, take dumps of database or whatever. I want to programmatically create objects and persist them in database as I would in normal application logic. One way to accomplish this would be to start up my application normally and run a special servlet that does the initialization. But is that really the way to go? I would love to execute the initial data setup as Maven task and I don't know how to do that if I take the servlet approach. There is somewhat similar question. I took a quick glance at the suggested DBUnit and Unitils. But they seem to be heavily focused in setting up testing environments, which is not what I want here. DBUnit does initial data population, but only using xml/csv fixtures, which is not what I'm after here. Then, Maven has SQL plugin, but I don't want to handle raw SQL. Maven also has Hibernate plugin, but it seems to help only in Hibernate configuration and table schema creation (not in populating db with data). How to do this?

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  • WCF Web Service Gives 404 error in Azure

    - by landyman
    I'm new to using WCF and Azure, but I have a WCF Web Service that works correctly when debugging in Visual Studio. I set the startup project to Azure, and I get 404 errors for any URL I try related to the service. Here is what I think is relavant code: From IWebService.cs [OperationContract] [WebGet(UriTemplate = "GetData/Xml?value={value}", ResponseFormat=WebMessageFormat.Xml)] string GetDataXml(string value); and from Web.config: <system.serviceModel> <services> <service name="WebService" behaviorConfiguration="WebServiceBehavior"> <!-- Service Endpoints --> <endpoint address="" binding="webHttpBinding" contract="IWebService" behaviorConfiguration="WebEndpointBehavior"></endpoint> <endpoint address="ws" binding="wsHttpBinding" contract="IWebService"/> <endpoint address="mex" binding="mexHttpBinding" contract="IMetadataExchange"/> </service> </services> <behaviors> <serviceBehaviors> <behavior name="WebServiceBehavior"> <serviceMetadata httpGetEnabled="true"/> <serviceDebug includeExceptionDetailInFaults="true"/> </behavior> </serviceBehaviors> <endpointBehaviors> <behavior name="WebEndpointBehavior"> <webHttp/> </behavior> </endpointBehaviors> </behaviors> </system.serviceModel> I have tried changing the binding to 'basicHttpBinding', but that had no luck. Thanks in advance for any help!

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  • How to achieve "Blendability" when using DataServiceCollection in my ViewModel

    - by andlju
    I'm looking at using oData endpoints in my Silverlight client. Naturally, I'm doing MVVM and I want the project to be nice and "Blendable" (i.e. I must be able to cleanly use static data instead of the oData endpoints when in design mode.) Now to the problem. I'd like to use the DataServiceCollection in my ViewModels, since it allows for nice bindable collections without having to worry too much with BeginExecute/EndExecute etc. Now, let's look at some code. My Model interface looks like this: public interface ITasksModel { IQueryable<Task> Tasks { get; } } The oData endpoint implementation of that interface: public class TasksModel : ITasksModel { Uri svcUri = new Uri("http://localhost:2404/Services/TasksDataService.svc"); TaskModelContainer _container; public TasksModel() { _container = new TaskModelContainer(svcUri); } public IQueryable<Task> Tasks { get { return _container.TaskSet; } } } And the "Blendable" design-time implementation: public class DesignModeTasksModel : ITasksModel { private List<Task> _taskCollection = new List<Task>(); public DesignModeTasksModel() { _taskCollection.Add(new Task() { Id = 1, Title = "Task 1" }); _taskCollection.Add(new Task() { Id = 2, Title = "Task 2" }); _taskCollection.Add(new Task() { Id = 3, Title = "Task 3" }); } public IQueryable<Task> Tasks { get { return _taskCollection.AsQueryable(); } } } However, when I try to use this last one in my ViewModel constructor: public TaskListViewModel(ITasksModel tasksModel) { _tasksModel = tasksModel; _tasks = new DataServiceCollection<Task>(); _tasks.LoadAsync(_tasksModel.Tasks); } I get an exception: Only a typed DataServiceQuery object can be supplied when calling the LoadAsync method on DataServiceCollection. First of all, if this is the case, why not make the input parameter of LoadAsync be typed as DataServiceQuery? Second, what is the "proper" way of doing what I'm trying to accomplish?

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  • ASP.NET MVC2 Routing Issue With StructureMap

    - by alphadogg
    So, in global.asax, I have: public static void RegisterRoutes(RouteCollection routes) { routes.IgnoreRoute("{resource}.axd/{*pathInfo}"); routes.IgnoreRoute(" { *favicon }", new { favicon = @"(.*/)?favicon.ico(/.*)?" }); routes.IgnoreRoute("{*robotstxt}", new { robotstxt = @"(.*/)?robots.txt(/.*)?" }); routes.MapRoute( "Default", // Route name "{controller}/{action}/{id}", // URL with parameters new { controller = "Home", action = "Index", id = UrlParameter.Optional } // Parameter defaults ); } protected void Application_Start() { var container = new Container(); ServiceLocator.SetLocatorProvider(() => new StructureMapServiceLocator(container)); ComponentRegistrar.Register(container); Debug.WriteLine(container.WhatDoIHave()); // original MVC2 code at project startup AreaRegistration.RegisterAllAreas(); RegisterRoutes(RouteTable.Routes); } and in my StructureMapControllerFactory, I have: protected override IController GetControllerInstance(RequestContext requestContext, Type controllerType) { if (requestContext == null) { throw new ArgumentNullException("requestContext"); } if (controllerType == null) { //return base.GetControllerInstance(requestContext, controllerType); controllerType = GetControllerType(requestContext, "Home"); requestContext.RouteData.Values["Controller"] = "Home"; requestContext.RouteData.Values["action"] = "Index"; } try { return theContainer.GetInstance(controllerType) as Controller; } catch (StructureMapException) { System.Diagnostics.Debug.WriteLine(theContainer.WhatDoIHave()); throw; } } Now, normally, in most examples you find on the net, when controllerType is null, you have the commented out line (base.GetControllerInstance()) that handles it. However, if I use that, I get an error about not finding the controller for default.aspx when the controllerType is null at startup of the web app. If I force the use of the Home controller, I get the site to appear. What am I doing wrong? Is it a problem in routing?

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  • Silverlight4 + C#: Using INotifyPropertyChanged in a UserControl to notify another UserControl is no

    - by Aidenn
    I have several User Controls in a project, and one of them retrieves items from an XML, creates objects of the type "ClassItem" and should notify the other UserControl information about those items. I have created a class for my object (the "model" all items will have): public class ClassItem { public int Id { get; set; } public string Type { get; set; } } I have another class that is used to notify the other User Controls when an object of the type "ClassItem" is created: public class Class2: INotifyPropertyChanged { // Properties public ObservableCollection<ClassItem> ItemsCollection { get; internal set; } // Events public event PropertyChangedEventHandler PropertyChanged; // Methods public void ShowItems() { ItemsCollection = new ObservableCollection<ClassItem>(); if (PropertyChanged != null) { PropertyChanged(this, new PropertyChangedEventArgs("ItemsCollection")); } } } The data comes from an XML file that is parsed in order to create the objects of type ClassItem: void DisplayItems(string xmlContent) { XDocument xmlItems = XDocument.Parse(xmlContent); var items = from item in xmlItems.Descendants("item") select new ClassItem{ Id = (int)item.Element("id"), Type = (string)item.Element("type) }; } If I'm not mistaken, this is supposed to parse the xml and create a ClassItem object for each item it finds in the XML. Hence, each time a new ClassItem object is created, this should fire the Notifications for all the UserControls that are "bind" to the "ItemsCollection" notifications defined in Class2. Yet the code in Class2 doesn't even seem to be run :-( and there are no notifications of course... Am I mistaken in any of the assumptions I've done, or am I missing something? Any help would be appreciated! Thx!

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  • iPhone app linker error on Snow Leopard (Only on simulator)

    - by RexOnRoids
    Im getting this linker error that won't let me compile. It only happens on the simulator. NOTE: - OSX 10.6.2 but had to use 10.5 as build target to avoid other linker errors - libxml2.dylib IS required and is in my Frameworks group - The other cited libraries I have never heard of. - Tried bringing in those other Libs under frameworks, didn't solve. Build SpaceTweet of project SpaceTweet with configuration Debug Ld build/Debug-iphonesimulator/SpaceTweet.app/SpaceTweet normal i386 cd "/Users/Scott/Desktop/iPhone Dev/SpaceTweet(Experimental)" setenv MACOSX_DEPLOYMENT_TARGET 10.5 setenv PATH "/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin" /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/gcc-4.2 -arch i386 -isysroot /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.1.3.sdk "-L/Users/Scott/Desktop/iPhone Dev/SpaceTweet(Experimental)/build/Debug-iphonesimulator" -L/Users/Scott/Desktop "-L/Users/Scott/Desktop/iPhone Dev/SpaceTweet(Experimental)/../../libYAJLIPhone-0" -L/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS3.0.sdk/usr/lib -L/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.1.3.sdk/usr/lib -L/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator3.0.sdk/usr/lib "-F/Users/Scott/Desktop/iPhone Dev/SpaceTweet(Experimental)/build/Debug-iphonesimulator" -filelist "/Users/Scott/Desktop/iPhone Dev/SpaceTweet(Experimental)/build/SpaceTweet.build/Debug-iphonesimulator/SpaceTweet.build/Objects-normal/i386/SpaceTweet.LinkFileList" -mmacosx-version-min=10.5 -framework Foundation -framework UIKit -framework CoreGraphics -framework AVFoundation -framework MessageUI -lYAJLIPhone -lxml2 -o "/Users/Scott/Desktop/iPhone Dev/SpaceTweet(Experimental)/build/Debug-iphonesimulator/SpaceTweet.app/SpaceTweet" ld: warning: in /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS3.0.sdk/usr/lib/libxml2.dylib, missing required architecture i386 in file ld: warning: in /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS3.0.sdk/usr/lib/libSystem.dylib, missing required architecture i386 in file ld: in /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS3.0.sdk/usr/lib/libobjc.A.dylib, missing required architecture i386 in file collect2: ld returned 1 exit status Command /Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin/gcc-4.2 failed with exit code 1

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  • Using two versions of the same assembly (system.web.mvc) at the same time

    - by Joel Abrahamsson
    I'm using a content management system whose admin interface uses MVC 1.0. I would like to build the public parts of the site using MVC 2. If I just reference System.Web.Mvc version 2 in my project the admin mode doesn't work as the reference to System.Web.Mvc.ViewPage created by the views in the admin interface is ambiguous: The type 'System.Web.Mvc.ViewPage' is ambiguous: it could come from assembly 'C:\Windows\assembly\GAC_MSIL\System.Web.Mvc\2.0.0.0__31bf3856ad364e35\System.Web.Mvc.dll' or from assembly 'C:\Windows\assembly\GAC_MSIL\System.Web.Mvc\1.0.0.0__31bf3856ad364e35\System.Web.Mvc.dll'. Please specify the assembly explicitly in the type name. I could easily work around this by using binding redirects to specify that MVC 2 should always be used. Unfortunately the content management systems admin mode isn't compatible with MVC 2. I'm not exactly sure why, but I start getting a bunch of null reference exceptions in some of it's actions when I try it and the developers of the CMS have confirmed that it isn't compatible with MVC 2 (yet). The admin interface which is accessed through domain.com/admin is not physically located in webroot/admin but in the program files folder on the server and domain.com/admin is instead routed there using a virtual path provider. Therefor, putting a separate web.config file in the admin folder to specify a different version of System.Web.Mvc for that part of the site isn't an option as that won't fly when using shared hosting. Can anyone see any solution to this problem? Perhaps it's possible to specify that for some assemblies a different version of a referenced assembly should be used?

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  • TFS - How much nesting on disk structure

    - by NealWalters
    We just got TFS installed and ready go. I'm trying to decide on the disk structure. Let's suppose I have two BizTalk projects called Common and BookTransfer (in actuality I have 7). [At this client, we adopted the style of having schemas, orchs, maps in one project called BizTalk.Artifacts]. A folder with the name "components" is C# code. We are using a CodePlex tool called BizTalk deployment framework which somewhat dictates part of the structure. I'm trying to decide how much nesting we should do on the disk directories (EC is the application name, and Common/BookTransfer or BizTalk Applications separated out for easier deploy/undeploy). Proposal #1: -EC - Main - Source - Common - Company.EC.Common.Biztalk.Artifacts [folder] - Company.EC.Common.BizTalk.Components [folder] - Company.EC.Common.Biztalk.Deployment [folder] - Company.EC.BookTransfer.BizTalk.sln - BookTransfer - Company.EC.BookTransfer.BizTalk.Artifacts [folder] - Company.EC.BookTransfer.BizTalk.Components [folder] - Company.EC.BookTransfer.BizTalk.Components.UnitTest [folder] - Company.EC.BookTransfer.BizTalk.Deployment [folder] - Company.EC.BookTransfer.BizTalk.sln Proposal #2 - a flatter approach -EC - Main - Source - Company.EC.Common.BizTalk.sln - Company.EC.BookTransfer.BizTalk.sln - Company.EC.Common.Biztalk.Artifacts [folder] - Company.EC.Common.BizTalk.Components [folder] - Company.EC.Common.Biztalk.Deployment [folder] - Company.EC.BookTransfer.BizTalk.Artifacts [folder] - Company.EC.BookTransfer.BizTalk.Components [folder] - Company.EC.BookTransfer.BizTalk.Components.UnitTest [folder] - Company.EC.BookTransfer.BizTalk.Deployment [folder] Current Structure (perhaps too many nested folders) Main Source Company EC Common BizTalk -Company .EC.Common.Biztalk.Artifacts [folder] -Company .EC.Common.BizTalk.Components [folder] -Company .EC.Common.Biztalk.Deployment [folder] Company.EC.BookTransfer.BizTalk.sln BookTransfer BizTalk Company.EC.BookTransfer.BizTalk.Artifacts [folder] Company.EC.BookTransfer.BizTalk.Components [folder] Company.EC.BookTransfer.BizTalk.Components.UnitTest [folder] Company.EC.BookTransfer.BizTalk.Deployment [folder] Company.EC.BookTransfer.BizTalk.sln Thanks, Neal Walters

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  • CAD like 3D geometry .NET library

    - by Naszta
    I am looking for a good 3D CAD like library. I need basic geometry shapes (cube, sphere, torus etc.) and the library should make the surface mesh - based on the shapes and some boolean operations. I have found many libraries on google (wrapped on C++), but most of them are not really comfortable, and/or do not support union/intersection. http://www.geometros.com/sgcore/index.htm - it has wrapped interface, http://www.opencsg.org/ - I haven't found wrapped interface, http://carve-csg.com/ - I haven't found wrapped interface, http://gts.sourceforge.net/ - I haven't found wrapped interface, http://www.ogre3d.org/ - I haven't found basic geometric shapes and boolean operators, http://brlcad.org/ - its interface is not clear for me, I haven't found wrapped interface, http://www.cgal.org/ - currently I try to make it work, I haven't found wrapped interface, http://www.k-3d.org/ - I haven't found wrapped interface, http://www.opencascade.org/ - I haven't found wrapped interface, http://ilnumerics.net/ - it does not support solid boolean operations, http://www.techsoft3d.com/ - seems to be really good one. Support both C++ and C#, http://www.devdept.com/products/eyeshot/ - one more C# library. It was not tested. Open source would be nice, but not necessary. Many thanks for help. P.S.: the previous topic Update: in C# we will use Eyeshot project.

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  • WCF service with Factory attribute on .svc is not working on web server (IIS6), but is locally using

    - by Jessica
    I am working on implementing a non web.config approach of WCF services using the factory attribute on the .svc file per Rick Strahl's blog post: Factory="System.ServiceModel.Activation.WebScriptServiceHostFactory" Locally, I am running IIS7 in Visual Studio 2008 and have no problem, but when I deploy to my web server (currently running IIS6), I am getting an authentication error in the event log: Exception: System.ServiceModel.ServiceActivationException: The service '/Services/ResourcesService.svc' cannot be activated due to an exception during compilation. The exception message is: IIS specified authentication schemes 'IntegratedWindowsAuthentication, Anonymous', but the binding only supports specification of exactly one authentication scheme. Valid authentication schemes are Digest, Negotiate, NTLM, Basic, or Anonymous. Change the IIS settings so that only a single authentication scheme is used.. --- System.InvalidOperationException: IIS specified authentication schemes 'IntegratedWindowsAuthentication, Anonymous', but the binding only supports specification of exactly one authentication scheme. Valid authentication schemes are Digest, Negotiate, NTLM, Basic, or Anonymous. Change the IIS settings so that only a single authentication scheme is used. at System.ServiceModel.Web.WebServiceHost.SetBindingCredentialBasedOnHostedEnvironment(ServiceEndpoint serviceEndpoint, AuthenticationSchemes supportedSchemes) at System.ServiceModel.Web.WebServiceHost.AddAutomaticWebHttpBindingEndpoints(ServiceHost host, IDictionary`2 implementedContracts, String multipleContractsErrorMessage) at System.ServiceModel.WebScriptServiceHost.OnOpening() at System.ServiceModel.Channels.CommunicationObject.Open(TimeSpan timeout) at System.ServiceModel.Channels.CommunicationObject.Open() at System.ServiceModel.ServiceHostingEnvironment.HostingManager.ActivateService(String normalizedVirtualPath) at System.ServiceModel.ServiceHostingEnvironment.HostingManager.EnsureServiceAvailable(String normalizedVirtualPath) After doing some Googling, I changed my authentication settings on the .svc folder within my project (on the server) to only anonymous authentication, but it did not work. I still get web service failed on the calls. IIS7 by default only had anonymous. I do not have any entries in my web.config for the services (I stripped them out per this pattern). I am using a nant script to deploy the website to the server and use this also locally to verify the script was not causing the issue. Any known issue with this? IIS 6 not able to handle?

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  • Eclipse Blackberry Preprocessor Not Working?

    - by Jessica
    I've already followed the directions @ http://stackoverflow.com/questions/1383277/using-preprocessor-directives-in-blackberry-jde-plugin-for-eclipse for making sure the blackberry plugin preprocessing hook is (theoretically) enabled. I'm using Eclipse 3.5.1 with Blackberry Plugin 1.1 with BB SDKs 4.7.0 and 4.6.0. I have my preprocessor defines set (and I've tried in both the Project's Blackberry Properties as well as the Workspace Blackberry Build settings), and checked their capitalization and spelling carefully too. I'm fairly confident the actual code to say "this stuff should be preprocessed" is good, because including/excluding preprocessed code seems to work fine on command line builds: //#preprocess --- at beginning of file and then code blocks like this throughout: //#ifndef jde_4_7 /* //#endif //#ifdef jde_4_7 import net.rim.device.api.ui.TouchEvent; //#endif //#ifndef jde_4_7 */ //#endif So what I can't figure out what else could be wrong that would cause Eclipse to not compile in my preprocessed code unless I remove the comments that are supposed to prevent the touch code from building into a build for blackberries that don't support touch. At one point it used to work (and no I haven't updated Eclipse), but sometime in the last couple of weeks it seemed to just stop working. And I'm getting kind of tired of the error-prone process of searching for ifdefs and manually commenting/uncommenting touch code and looking for a better solution while I do testing and initial development requiring testing both touch and non-touch functionality. Any other ideas on what could be wrong or how to fix it?

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  • FusionCharts vs GoogleCharts vs HighCharts suggestions required for commercial use

    - by Forte
    I find that FusionCharts v3 evaluation and HighCharts cannot be used for commercial purpose. Google charts is the best option but those are not as good looking as any of the above. They don't even have 3d charts although their visualization API does support 3D which i cannot find. Is there any open source graphing or charting solution available which can be used in commercial products? I even looked in to Open Flash Charts 2 but found that the developer had left the project long time a go and the currently out libs are way too buggy. I had to fix more than 50 bugs to get their 1 chart working. I tried to fix others but couldn't get Pie charts etc. working. What i'm looking for is - 1. Attractive 3d column chart. 2. 3d Pie Chart. 3. Spline Chart. 4. Geographical Chart. Does anyone knows any open source or free solution which can be used for commercial products? Cheers!

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  • Synchronizing Asynchronous request handlers in Silverlight environment

    - by Eric Lifka
    For our senior design project my group is making a Silverlight application that utilizes graph theory concepts and stores the data in a database on the back end. We have a situation where we add a link between two nodes in the graph and upon doing so we run analysis to re-categorize our clusters of nodes. The problem is that this re-categorization is quite complex and involves multiple queries and updates to the database so if multiple instances of it run at once it quickly garbles data and breaks (by trying to re-insert already used primary keys). Essentially it's not thread safe, and we're trying to make it safe, and that's where we're failing and need help :). The create link function looks like this: private Semaphore dblock = new Semaphore(1, 1); // This function is on our service reference and gets called // by the client code. public int addNeed(int nodeOne, int nodeTwo) { dblock.WaitOne(); submitNewNeed(createNewNeed(nodeOne, nodeTwo)); verifyClusters(nodeOne, nodeTwo); dblock.Release(); return 0; } private void verifyClusters(int nodeOne, int nodeTwo) { // Run analysis of nodeOne and nodeTwo in graph } All copies of addNeed should wait for the first one that comes in to finish before another can execute. But instead they all seem to be running and conflicting with each other in the verifyClusters method. One solution would be to force our front end calls to be made synchronously. And in fact, when we do that everything works fine, so the code logic isn't broken. But when it's launched our application will be deployed within a business setting and used by internal IT staff (or at least that's the plan) so we'll have the same problem. We can't force all clients to submit data at different times, so we really need to get it synchronized on the back end. Thanks for any help you can give, I'd be glad to supply any additional information that you could need!

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  • Jetty and Access Denied

    - by Laurent
    Hello, I am using several libraries in a maven project and one of these libraries is Jetty (6.1.18). It is a mandatory dependency for an another library. If I run my application from eclipse, with the eclipse classpath which is set by the maven eclipse plugin, all works. However, if I generate a one jar with dependencies and then I run my application from this jar, I get the following exception : Exception in thread "main" java.lang.ExceptionInInitializerError at org.mortbay.jetty.nio.SelectChannelConnector.<init>(SelectChannelConnector.java:70) ... Caused by: java.security.AccessControlException: access denied (java.util.PropertyPermission org.mortbay.io.nio.JVMBUG_THRESHHOLD read) at java.security.AccessControlContext.checkPermission(AccessControlContext.java:323) at java.security.AccessController.checkPermission(AccessController.java:546) at java.lang.SecurityManager.checkPermission(SecurityManager.java:532) at java.lang.SecurityManager.checkPropertyAccess(SecurityManager.java:1285) at java.lang.System.getProperty(System.java:650) at java.lang.Integer.getInteger(Integer.java:865) at java.lang.Integer.getInteger(Integer.java:823) at org.mortbay.io.nio.SelectorManager.<clinit>(SelectorManager.java:47) ... 27 more I think it is due to a file which is overridden by an another with the same name when the one jar is built but I have no idea where to look for. Does someone has an idea ?

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  • ASP.NET MVC 2 matches correct area route but generates URL to the first registered area instead.

    - by Sandor Drieënhuizen
    I'm working on a S#arpArchitecture 1.5 project, which uses ASP.NET MVC 2. I've been trying to get areas to work properly but I ran into a problem: The ASP.NET MVC 2 routing engine matches the correct route to my area but then it generates an URL that belongs to the first registered area instead. Here's my request URL: /Framework/Authentication/LogOn?ReturnUrl=%2fDefault.aspx I'm using the Route Tester from Phil Haack and it shows: Matched Route: Framework/{controller}/{action}/{id} Generated URL: /Data/Authentication/LogOn?ReturnUrl=%2FDefault.aspx using the route "Data/{controller}/{action}/{id}" That's clearly wrong, the URL should point to the Framework area, not the Data area. This is how I register my routes, nothing special there IMO. private static void RegisterRoutes(RouteCollection routes) { routes.IgnoreRoute("{resource}.axd/{*pathInfo}"); AreaRegistration.RegisterAllAreas(); routes.MapRoute( "default", "{controller}/{action}/{id}", new { controller = "Home", action = "Index", id = UrlParameter.Optional }); } The area registration classes all look like this. Again, nothing special. public class FrameworkAreaRegistration : AreaRegistration { public override string AreaName { get { return "Framework"; } } public override void RegisterArea(AreaRegistrationContext context) { context.MapRoute( "Framework_default", "Framework/{controller}/{action}/{id}", new { controller = "Home", action = "Index", id = UrlParameter.Optional }); } }

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  • NHibernate, Databinding to DataGridView, Lazy Loading, and Session managment - need advice

    - by Tom Bushell
    My main application form (WinForms) has a DataGridView, that uses DataBinding and Fluent NHibernate to display data from a SQLite database. This form is open for the entire time the application is running. For performance reasons, I set the convention DefaultLazy.Always() for all DB access. So far, the only way I've found to make this work is to keep a Session (let's call it MainSession) open all the time for the main form, so NHibernate can lazy load new data as the user navigates with the grid. Another part of the application can run in the background, and Save to the DB. Currently, (after considerable struggle), my approach is to call MainSession.Disconnect(), create a disposable Session for each Save, and MainSession.Reconnect() after finishing the Save. Otherwise SQLite will throw "The database file is locked" exceptions. This seems to be working well so far, but past experience has made me nervous about keeping a session open for a long time (I ran into performance problems when I tried to use a single session for both Saves and Loads - the cache filled up, and bogged down everything - see http://stackoverflow.com/questions/2526675/commit-is-very-slow-in-my-nhibernate-sqlite-project). So, my question - is this a good approach, or am I looking at problems down the road? If it's a bad approach, what are the alternatives? I've considered opening and closing my main session whenever the user navigates with the grid, but it's not obvious to me how I would do that - hook every event from the grid that could possibly cause a lazy load? I have the nagging feeling that trying to manage my own sessions this way is fundamentally the wrong approach, but it's not obvious what the right one is.

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  • Handling async ASMX web service exceptions

    - by Andy
    Hi, I've developed silverlight client with makes async web services calls to a asmx web service. The problem is, I want to handle exceptions, so far as to be able to tell in the client application whether there was an exception in the webservice (and therefore will be logged local to the webservice) or whether there was a communication problem (i.e. the endpoint for the webservice was wrong). In testing both types of exceptions in my project I get the same generic exception: System.ServiceModel.CommunicationException: The remote server returned an error: NotFound. This exception is amazingly useless when an exception occured in the webservice as it clearly has been found. Is the presence of this generic error to do with security (not being allowed to see true errors)? It can't be the fact that I don't have debug strings as I'm running on a dev PC. Either way, my question is, what's the best way to handle async errors in a commercial silverlight application? Any links or ideas are most welcome! :) Thanks a lot! Andy.

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  • Crystal Reports - "A string is required here" formula error.

    - by George Mauer
    I have a command line utility that generates one simple crystal report. I recently updated the project from .NET 1.1 to .NET 3.5 using the Visual Studio 2008 migrator and am now getting an error that I had never received before. The problem is in the work_order formula which is as follows: stringVar nvl_ship_wrk_id := "0"; stringVar nvl_ship_wrk_seq := "0"; If Not IsNull({FeedBOLInput.ShipWrkId}) Then nvl_ship_wrk_id := {FeedBOLInput.ShipWrkId}; If Not IsNull({FeedBOLInput.ShipWrkSeq}) Then nvl_ship_wrk_seq := {FeedBOLInput.ShipWrkSeq}; nvl_ship_wrk_id & " - " & nvl_ship_wrk_seq; And the error is: - InnerException {"A string is required here. Error in File C:\\...\\temp_88c50533-02c6-4973-ae06-ed0ab1a603ac {0D5E96FB-038A-41C5-93A7-A9D199961377}.rpt: Error in formula <work_order>. 'stringVar nvl_ship_wrk_id := \"0\"; ' A string is required here."} System.Exception {System.Runtime.InteropServices.COMException} Does anyone have any idea what this can be? I'm out of clues. The dataset is coming in properly - and the error seems to point to a row which merely initializes a variable.

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  • How do I make a WiX 3.5 installer with a completely self-contained .NET 4.0 installer?

    - by mmr
    Continuing a previous question I asked here, I now need to move to vs2010. I've gotten the most recent weekly build of WiX 3.5, the June 5th 2010 version. Here's the relevant lines from my installer: <ItemGroup> <BootstrapperFile Include="Microsoft.Net.Framework.4.0"> <ProductName>.NET Framework 4.0</ProductName> </BootstrapperFile> <BootstrapperFile Include="Microsoft.Windows.Installer.4.5"> <ProductName>Windows Installer 4.5</ProductName> </BootstrapperFile> </ItemGroup> and <GenerateBootstrapper ApplicationFile="MySetup.msi" ApplicationName="MyProgram" BootstrapperItems="@(BootstrapperFile)" Path="C:\Program Files\Microsoft SDKs\Windows\v7.0A\Bootstrapper\" ComponentsLocation="Relative" OutputPath="$(OutputPath)" Culture="en" /> However, it's just not working. In vs2010, there are exclamation points next to the .NET Framework 4.0 and Windows Installer 4.5 files, and the properties page lists them as 'Unknown BuildAction BootstrapperFile', and the build just does not appear to install .NET 4.0 at all. The relevant warning is: C:\source\depot\project\vs2010\WiXSetup\WiXSetup.wixproj(68,5): warning MSB3155: Item 'Microsoft.Net.Framework.4.0' could not be located in 'C:\Program Files\Microsoft SDKs\Windows\v7.0A\Bootstrapper\'.

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  • Weird - "The EntityReference object could not be serialized" when serializing from an ASP.NET Web Si

    - by Mikey Cee
    I have an Entity Framework data model. Part of the model is a Customer entity. The web service provides a method to get a customer, and to receive an updated version of this customer to be persisted. To test this, I created a new ASP.NET web Application, (Solution Add New Project ASP.NET Web Application), then added a reference to my service reference using the standard Add Service Reference dialog. I then call the service using the following code: var client = new CustomerServiceClient(); var customer = client.GetCustomerByID(18); // get it customer.LimitDown = 100; // change it client.SaveCustomer(customer); // persist it Everything works as expected. Now, I do exactly the same thing, but this time with as ASP.NET Web Site (Solution Add New Web Site ASP.NET Web Site). I add the reference in a similar fashion and copy and paste the code above into the new site. But now I get the following exception thrown on the 4th line: System.InvalidOperationException The EntityReference object could not be serialized. This type of object cannot be serialized when the RelationshipManager belongs to an entity object that does not implement IEntityWithRelationships. Source Error: Line 2474: Line 2475: public SkyWalkerCustomerService.OperationResult SaveCustomer(SkyWalkerCustomerService.Customer customer) { Line 2476: return base.Channel.SaveCustomer(customer); Line 2477: } Line 2478: } Stack Trace: System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg) +9475203 System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type) +345 SkyWalkerCustomerService.ICustomerService.SaveCustomer(Customer customer) +0 SkyWalkerCustomerService.CustomerServiceClient.SaveCustomer(Customer customer) in c:\Windows\Microsoft.NET\Framework\v4.0.30128\Temporary ASP.NET Files\testsite2\dd2bcf8d\f95604ff\App_WebReferences.fz4h7x7l.0.cs:2476 _Default.Page_Load(Object sender, EventArgs e) in c:\Users\Mike\Documents\Repositories\UWC\SkyWalker\TestSite2\Default.aspx.cs:17 System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14 System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35 System.Web.UI.Control.OnLoad(EventArgs e) +91 System.Web.UI.Control.LoadRecursive() +61 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1966 Googling for this error returns very little. Why doesn't this work?

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  • Is NUnit broken with Windows7 for C++/CLI?

    - by Andy Dent
    NUnit is failing in C++/CLI with a System.IO.FileNotFoundException. I have tried my own freshly-created project, the C++/CLI sample included with NUnit and the one from CodeProject How to use NUnit to test native C++ code using Visual Studio 2008sp1 with NUnit 2.5.5 as well as 2.4.8. I installed 2.4.8 just on C:\ in case there was something weird about paths with spaces such as Program Files (x86). I have no problems with a C# sample using NUnit. in NUnit GUI, all of these C++/CLI projects encounter the same problem, on attempting to open the projects. I'd really like to use NUnit but for now have had to go back to standard Microsoft tests System.IO.FileNotFoundException... Server stack trace: at System.Reflection.Assembly._nLoad(AssemblyName fileName, String codeBase, Evidence assemblySecurity, Assembly locationHint, StackCrawlMark& stackMark, Boolean throwOnFileNotFound, Boolean forIntrospection) at System.Reflection.Assembly.InternalLoad(AssemblyName assemblyRef, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection) at System.Reflection.Assembly.InternalLoad(String assemblyString, Evidence assemblySecurity, StackCrawlMark& stackMark, Boolean forIntrospection) at System.Reflection.Assembly.Load(String assemblyString) at NUnit.Core.Builders.TestAssemblyBuilder.Load(String path) at NUnit.Core.Builders.TestAssemblyBuilder.Build(String assemblyName, Boolean autoSuites) at NUnit.Core.Builders.TestAssemblyBuilder.Build(String assemblyName, String testName, Boolean autoSuites) at NUnit.Core.TestSuiteBuilder.BuildSingleAssembly(TestPackage package) at NUnit.Core.TestSuiteBuilder.Build(TestPackage package) at NUnit.Core.SimpleTestRunner.Load(TestPackage package) at NUnit.Core.ProxyTestRunner.Load(TestPackage package) at NUnit.Core.ProxyTestRunner.Load(TestPackage package) at NUnit.Core.RemoteTestRunner.Load(TestPackage package) at System.Runtime.Remoting.Messaging.StackBuilderSink._PrivateProcessMessage(IntPtr md, Object[] args, Object server, Int32 methodPtr, Boolean fExecuteInContext, Object[]& outArgs) at System.Runtime.Remoting.Messaging.StackBuilderSink.SyncProcessMessage(IMessage msg, Int32 methodPtr, Boolean fExecuteInContext) Exception rethrown at [0]: at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg) at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type) at NUnit.Core.TestRunner.Load(TestPackage package) at NUnit.Util.TestDomain.Load(TestPackage package) at NUnit.Util.TestLoader.LoadTest(String testName)

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  • GWT carousel widget

    - by Nils
    Hello, I'm currently working on a GWT project, in which I need to use a "carousel" widget. The carousel widget is supposed to display pieces of information and 2 arrows - when the user clicks on one of the arrow, the content is moved with an animation and replaced with new content. I've been looking through the available widget libs, but the "carousel" widget does not seem to be that available. The only real candidate I found is the gwt-yui-carousel widget (see link below), but this seems to be an overload of ressources - though it does almost exactly what I need, but instead of displaying simple images, I'll have to display, in MVP terms, a view/presenter. Here is the widget running : http://gwt-yui-carousel.googlecode.com/svn/trunk/www/com.gwtyuicarousel.javascriptload.JavaScriptLoad/javascriptload.html (coming from here : http://code.google.com/p/gwt-yui-carousel/ ). Is there a better carousel widget available that I would not know of ? Or should I extend an existing one to create the desired effect ? Would you recommend to use the gwt-yui-carousel (I don't think so) ? If there is no better option, do you think that it would be a good idea to create the widget myself ? Note that I think that the key thing is, here, that I'll have to display presenter/views, which will fetch data in DataBase on arrow clicks and so on - so a customisation of an existing widget would be required, or the chosen widget should be able to display a list of GWT Widgets. Again I don't think that I can use one of the existing usual carousel widgets, since those are not "gwt-oriented" and could not support view/presenters and all this gwt stuff ;) Any answer would be greatly appreciated :) Best regards, Nils

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