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  • How to update an XBAP’s config file after deployment

    - by maharaj
    Hi All, Here is my scenario and would love any feedback. We have a WPF XBAP application which gets hosted on our customer's IIS server on which we as a vendor do not have any control over. So as a part of configuration, clients first need to configure the WCF service to point to the proper endpoints. Default location for the service is say "http://localhost/XYZ.svc" which needs to change to proper adderess such as "http://USC.intl.edu/XYZ.svc" (offcourse our service is not called XYZ, just using that name as an example). Problem in our test scenario is as soon as we change these values in the config file (Appname.exe.config) the manifest file becomes invalid and we start getting errors. The solutions that I have looked at talk about mageui.exe. Our clinets may not have this utility. So how can we achieve this without using this utility and have the app be configurable. Any input will be appreciated. Thanks, Salil

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  • iPhone - Core Data crash on migration

    - by Sergey Zenchenko
    I have problems, when i install app from Xcode all works but if I build app and install it from iTunes I have an error with the database at launch. This happens only than i have changes in the core data model and need to migrate to a new version. At first launch at crashes with message: Thread 0: 0 libSystem.B.dylib 0x00034588 pwrite + 20 1 libsqlite3.dylib 0x000505ec _sqlite3_purgeEligiblePagerCacheMemory + 2808 2 libsqlite3.dylib 0x000243d8 sqlite3_backup_init + 7712 3 libsqlite3.dylib 0x000244ac sqlite3_backup_init + 7924 4 libsqlite3.dylib 0x0000d418 sqlite3_file_control + 4028 5 libsqlite3.dylib 0x000228b4 sqlite3_backup_init + 764 6 libsqlite3.dylib 0x00022dd0 sqlite3_backup_init + 2072 7 libsqlite3.dylib 0x000249a8 sqlite3_backup_init + 9200 8 libsqlite3.dylib 0x00029800 sqlite3_open16 + 11360 9 libsqlite3.dylib 0x0002a200 sqlite3_open16 + 13920 10 libsqlite3.dylib 0x0002ab84 sqlite3_open16 + 16356 11 libsqlite3.dylib 0x00049418 sqlite3_prepare16 + 54056 12 libsqlite3.dylib 0x00002940 sqlite3_step + 44 13 CoreData 0x00011958 _execute + 44 14 CoreData 0x000113e0 -[NSSQLiteConnection execute] + 696 15 CoreData 0x000994be -[NSSQLConnection prepareAndExecuteSQLStatement:] + 26 16 CoreData 0x000be14c -[_NSSQLiteStoreMigrator performMigration:] + 244 17 CoreData 0x000b6c60 -[NSSQLiteInPlaceMigrationManager migrateStoreFromURL:type:options:withMappingModel:toDestinationURL:destinationType:destinationOptions:error:] + 1040 18 CoreData 0x000aceb0 -[NSStoreMigrationPolicy(InternalMethods) migrateStoreAtURL:toURL:storeType:options:withManager:error:] + 92 19 CoreData 0x000ad6f0 -[NSStoreMigrationPolicy migrateStoreAtURL:withManager:metadata:options:error:] + 72 20 CoreData 0x000ac9ee -[NSStoreMigrationPolicy(InternalMethods) _gatherDataAndPerformMigration:] + 880 21 CoreData 0x0000965c -[NSPersistentStoreCoordinator addPersistentStoreWithType:configuration:URL:options:error:] + 1328 At next launches app doesn't loads data from database.

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  • C# Conditional Compilation and framework targets

    - by McKAMEY
    There are a few minor places where code for my project may be able to be drastically improved if the target framework were a newer version. I'd like to be able to better leverage conditional compilation in C# to switch these as needed. Something like: #if NET_40 using FooXX = Foo40; #elif NET_35 using FooXX = Foo35; #else using FooXX = Foo20; #endif Do these symbols come for free? Do I need to inject these symbols as part of the project configuration? Seems easy enough to do since I'll know which framework is being targeted from msbuild. I think I've seen that NET_40 symbol isn't defined? If so I think I could do this? #if !NET_35 && !NET_20 #define NET_40 #endif Or do I need to define it in the msbuild command: /p:DefineConstants="NET_40"

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  • MySQL and GROUP_CONCAT() maximum length

    - by zewaren
    Hello everyone, I'm using GROUP_CONCAT() in a MySQL query to convert multiple rows into a single string. However, the maximum length of the result of this function is 1024 characters. I'm very well aware that I can change the param group_concat_max_len to increase this limit: SET SESSION group_concat_max_len = 1000000; However, on the server I'm using, I can't change any param. Not by using the preceding query and not by editing any configuration file. So my question is: Is there any other way to get the output of a multiple row query into a single string? Thank you for your answers.

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  • windbg dv cmd fail - Private symbols (symbols.pri) are required for locals

    - by leif
    i have a C++ application compiled with VS 2008 with pdb file enabled. After i tried to use dv command to display local vars, it shows the following message: Unable to enumerate locals, HRESULT0x80004005 Private symbols (symbols.pri) are required for locals. Type ".hh dbgerr005" for details. Note that: i've run the "dv" command on the correct frame which has the symbol file. i can use "dt" command successfully. i've included the symbol path and the pdb file has been loaded successfully as following: start end module name 00400000 0043f000 helloworld (private pdb symbols) c:\test... Does anyone know the cause? Is there any configuration i missed to enable local var watch? Or VS 2008 pdb is not supported by windbg (i'm using the latest windbg version)?

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  • Value of AppDomain.CurrentDomain.SetupInformation.ConfigurationFile changes based on if the file exi

    - by Dan Neely
    I have a check to make sure the app.config file exists and to report an error if it does not: System.Windows.Forms.MessageBox.Show(AppDomain.CurrentDomain.SetupInformation.ConfigurationFile); if (!File.Exists(AppDomain.CurrentDomain.SetupInformation.ConfigurationFile)) { throw new ConfigurationErrorsException("Unable to find configuration file. File is expected at location: " + AppDomain.CurrentDomain.SetupInformation.ConfigurationFile + "\n"); } When I build the app.config file in my solution is added to the output directory as AppName.exe.config, and if run from outside visual studio AppDomain.CurrentDomain.SetupInformation.ConfigurationFile contains the path C:...\AppName.exe.config (from within VS it's C:..\AppName.vshost.exe.config). If I delete AppName.exe.config, the value is C:..\Appname.config (no .exe). I did a bit of farther experimentation, and if Appname.config exists that file will also work to load my setting values. What's going on here? I need to have everything consistent for error reporting purposes.

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  • Xcode warning: application executable contains unsupported architecture(s):arm, arm (-19031)

    - by rmvz3
    Hi all. I've been receiving this warning since I loaded my project in last Xcode 4 preview. There was no warning before that but now I can't get rid of it even in Xcode 3.2. I've been googling but nobody seems to have the same error. My project and target settings are correct (IMHO): Architectures: Standard (armv6 armv7), Base SDK: Latest iOS (currently set to iOS 4.2), Build Active Architecture Only: FALSE, Valid Architectures: armv6 armv7. I compared every project setting with other projects and and found no differences. I even have recreated the project starting from scratch and copying classes, resources and frameworks with the same result. I must say that the warning is not shown when I set Debug configuration. I hope someone can help me because I don't know what to do. Thanks in advice.

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  • CodePlex Daily Summary for Saturday, February 19, 2011

    CodePlex Daily Summary for Saturday, February 19, 2011Popular ReleasesAdvanced Explorer for Wp7: Advanced Explorer for Wp7 Version 1.4 Test8: Added option to run under Lockscreen. Fixed a bug when you open a pdf/mobi file without starting adobe reader/amazon kindle first boost loading time for folders added \Windows directory (all devices) you can now interact with the filesystem while it is loading!Game Files Open - Map Editor: Game Files Open - Map Editor Beta 2 v1.0.0.0: The 2° beta release of the Map Editor, we have fixed a big bug of the files regen.Document.Editor: 2011.6: Whats new for Document.Editor 2011.6: New Left to Right and Left to Right support New Indent more/less support Improved Home tab Improved Tooltips/shortcut keys Minor Bug Fix's, improvements and speed upsCatel - WPF and Silverlight MVVM library: 1.2: Catel history ============= (+) Added (*) Changed (-) Removed (x) Error / bug (fix) For more information about issues or new feature requests, please visit: http://catel.codeplex.com =========== Version 1.2 =========== Release date: ============= 2011/02/17 Added/fixed: ============ (+) DataObjectBase now supports Isolated Storage out of the box: Person.Save(myStream) stores a whole object graph in Silverlight (+) DataObjectBase can now be converted to Json via Person.ToJson(); (+)...??????????: All-In-One Code Framework ??? 2011-02-18: ?????All-In-One Code Framework?2011??????????!!http://i3.codeplex.com/Project/Download/FileDownload.aspx?ProjectName=1code&DownloadId=128165 ?????,?????AzureBingMaps??????,??Azure,WCF, Silverlight, Window Phone????????,????????????????????????。 ???: Windows Azure SQL Azure Windows Azure AppFabric Windows Live Messenger Connect Bing Maps ?????: ??????HTML??? ??Windows PC?Mac?Silverlight??? ??Windows Phone?Silverlight??? ?????:http://blog.csdn.net/sjb5201/archive/2011...Image.Viewer: 2011: First version of 2011Silverlight Toolkit: Silverlight for Windows Phone Toolkit - Feb 2011: Silverlight for Windows Phone Toolkit OverviewSilverlight for Windows Phone Toolkit offers developers additional controls for Windows Phone application development, designed to match the rich user experience of the Windows Phone 7. Suggestions? Features? Questions? Ask questions in the Create.msdn.com forum. Add bugs or feature requests to the Issue Tracker. Help us shape the Silverlight Toolkit with your feedback! Please clearly indicate that the work items and issues are for the phone t...VsTortoise - a TortoiseSVN add-in for Microsoft Visual Studio: VsTortoise Build 29 Beta: Note: This release does not work with custom VsTortoise toolbars. These get removed every time when you shutdown Visual Studio. (#7940) Build 29 (beta)New: Added VsTortoise Solution Explorer integration for Web Project Folder, Web Folder and Web Item. Fix: TortoiseProc was called with invalid parameters, when using TSVN 1.4.x or older #7338 (thanks psifive) Fix: Add-in does not work, when "TortoiseSVN/bin" is not added to PATH environment variable #7357 Fix: Missing error message when ...Sense/Net CMS - Enterprise Content Management: SenseNet 6.0.3 Community Edition: Sense/Net 6.0.3 Community Edition We are happy to introduce you the latest version of Sense/Net with integrated ECM Workflow capabilities! In the past weeks we have been working hard to migrate the product to .Net 4 and include a workflow framework in Sense/Net built upon Windows Workflow Foundation 4. This brand new feature enables developers to define and develop workflows, and supports users when building and setting up complicated business processes involving content creation and response...thinktecture WSCF.blue: WSCF.blue V1 Update (1.0.11): Features Added a new option that allows properties on data contract types to be marked as virtual. Bug Fixes Fixed a bug caused by certain project properties not being available on Web Service Software Factory projects. Fixed a bug that could result in the WrapperName value of the MessageContractAttribute being incorrect when the Adjust Casing option is used. The menu item code now caters for CommandBar instances that are not available. For example the Web Item CommandBar does not exist ...Terminals: Version 2 - RC1: The "Clean Install" will overwrite your log4net configuration (if you have one). If you run in a Portable Environment, you can use the "Clean Install" and target your portable folder. Tested and it works fine. Changes for this release: Re-worked on the Toolstip settings are done, just to avoid the vs.net clash with auto-generating files for .settings files. renamed it to .settings.config Packged both log4net and ToolStripSettings files into the installer Upgraded the version inform...AllNewsManager.NET: AllNewsManager.NET 1.3: AllNewsManager.NET 1.3. This new version provide several new features, improvements and bug fixes. Some new features: Online Users. Avatars. Copy function (to create a new article from another one). SEO improvements (friendly urls). New admin buttons. And more...Facebook Graph Toolkit: Facebook Graph Toolkit 0.8: Version 0.8 (15 Feb 2011)moved to Beta stage publish photo feature "email" field of User object added new Graph Api object: Group, Event new Graph Api connection: likes, groups, eventsDJME - The jQuery extensions for ASP.NET MVC: DJME2 -The jQuery extensions for ASP.NET MVC beta2: The source code and runtime library for DJME2. For more product info you can goto http://www.dotnetage.com/djme.html What is new ?The Grid extension added The ModelBinder added which helping you create Bindable data Action. The DnaFor() control factory added that enabled Model bindable extensions. Enhance the ListBox , ComboBox data binding.Jint - Javascript Interpreter for .NET: Jint - 0.9.0: New CLR interoperability features Many bugfixesBuild Version Increment Add-In Visual Studio: Build Version Increment v2.4.11046.2045: v2.4.11046.2045 Fixes and/or Improvements:Major: Added complete support for VC projects including .vcxproj & .vcproj. All padding issues fixed. A project's assembly versions are only changed if the project has been modified. Minor Order of versioning style values is now according to their respective positions in the attributes i.e. Major, Minor, Build, Revision. Fixed issue with global variable storage with some projects. Fixed issue where if a project item's file does not exist, a ...Coding4Fun Tools: Coding4Fun.Phone.Toolkit v1.1: Coding4Fun.Phone.Toolkit v1.1 release. Bug fixes and minor feature requests addedTV4Home - The all-in-one TV solution!: 0.1.0.0 Preview: This is the beta preview release of the TV4Home software.Finestra Virtual Desktops: 1.2: Fixes a few minor issues with 1.1 including the broken per-desktop backgrounds Further improves the speed of switching desktops A few UI performance improvements Added donations linksNuGet: NuGet 1.1: NuGet is a free, open source developer focused package management system for the .NET platform intent on simplifying the process of incorporating third party libraries into a .NET application during development. This release is a Visual Studio 2010 extension and contains the the Package Manager Console and the Add Package Dialog. The URL to the package OData feed is: http://go.microsoft.com/fwlink/?LinkID=206669 To see the list of issues fixed in this release, visit this our issues list A...New ProjectsComplexityEvolution: Research projectCRM 2011 Metadata Browser: The CRM 2011 Metadata Browser is a Silverlight 4 application that is packaged as a Managed CRM Solution. This tool allows you to view metadata including Entities, Attributes and Relationships. The 2011 SOAP endpoint is used to connect to CRM using the Organization.svc/web serviceEFCFvsNH3: A sample project that shows the main differences between Entity Framework Code First and Nhibernate 3: -Mapping -Configuration -DB Initialization -Query API -Session & Transaction -ValidationE-Teacher for IELTS preparation: E-teacher helps IELTS students prepare for the IELTS Academic and General Training test. Qualified English Teachers can register to the e-community and helps candidates to understand what they really need to improve for the IELTS exam and how to reach for the maximum band score.FIM CM Extensions: Extensions for Forefront Identity Manager 2010 to enable integration between the FIM Service workflow and the FIM Certificate Management workflow. Game Files Open - Map Editor: This is a map editor for the metin2 clients, it's very simple edit or create a map with this tool.Garbage Collection Sample Code: Garbage collection sample code demonstrates the differences between the large and small object heaps. This code supports the blog post at http://www.deepcode.co.ukGardenersWorld: The aim of gardenersWorld community website is to provide a platform for budding gardenening enthusiasts, hobbyists and professionals to share information. Harvester - Debug Monitor for Log4Net and NLog: Harvester enables you to monitor all Win32 debug output from all applications running on your machine. Watch real time Log4Net and NLog output across multiple applications at the same time. Trace a call from client to server and back without having to look at multiple log files.Hjelp! Jeg skal ha farmakokinetikk-eksamen!: Sliter du med å pugge formler til farmakokinetikk-eksamenen? Da er redningen din her! :DMercury Business Framework: Mercury Business Framework is a project set up to define basic objects used by the vast majority of business and non business software. The idea is to define the low level objects required by most applications on the web and desktop.MyDistrictBuilder: MyDistrictBuilder allows anybody to build legislative districts and submit to the Florida House of Rep. It is built on Bing Maps, Silverlight and AZURE. Written in C#. It is written to allow anyone to adapt for any states census geography. www.floridaredistricting.cloudapp.netMySchoolApp: MySchoolApp is a customizable application written in Visual Basic and C# for the Windows Mobile Phone 7 platform using Visual Studio Professional 2010. The application combines links to RSS and Web sites about a school, and displays a map and local weather. Osm Parser Community Edition: Osm Parser parse highways in open street maps to generate routable roads network in spatialite.PRBox Cloud Website: This is the website base for PRBox.com SEO Reporter : open source search engine optimization software: SEO Reporter is an open source search engine optimization application for detecting HTML related SEO violations, gathering data about a Web page and analyzing its keywords strategy. It's a Windows navigation application developed in F#. Setting timeout for SharePoint 2010 Silverlight web part: This web part overwrites 5sec hard-coded timeout for SharePoint 2010 Silverlight web part.SharePoint 2010 Central Administration Automatic Resources Link Generator: This feature will automatically generate the resources links list (Quick Links) in your SharePoint 2010 Central Administration site making it easier for SharePoint Admins to navigate through the common Central Administration activities without populating it themselves - VS2010/c#SharePoint Holiday Loader: SharePoint Holiday Loader allows you to quickly import public holidays into a SharePoint calendar from the standard .HOL format.Sohu?????: ?????????WPF?????????????,????????????(??、??、???),??、??、???????,????????????,??????????????。 ??V1????????,V2?????????????????。SP2010 Form Manipulator: This project will hopefully make it easier to manipulate the list form in SharePoint 2010.SPRotator: A jQuery powered web part for SharePoint that cycles through any type of list.SQL Script to Create a Website Directory: Here you can download sql script to create a website directory using SQL Server. * This is only the easy directory sql script to develop your website. Directory software may publish in future.Sri Hits Zone: This is an online repository which used to share Sri Lankan music. This is to provide Sri Lankans who living abroad to being touches with Sri Lankan artist and their music. testz: testzTime domain dissipative acoustic problem: tddapWindows Azure Hosted Services VM Manager: Windows Azure Hosted Services VM Manager is a Windows Service that can manage the number of hosted services running in Azure by either a time based schedule or by CPU load. This allows your service to scale for either dynamic load or a known schedule. Z80TR: Z80TR

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  • How to achieve conditional resource import in a Spring XML context?

    - by Boris Terzic
    What I would like to achieve is the ability to "dynamically" (i.e. based on a property defined in a configuration file) enable/disable the importing of a child Spring XML context. I imagine something like: <import condition="some.property.name" resource="some-context.xml"/> Where the property is resolved (to a boolean) and when true the context is imported, otherwise it isn't. Some of my research so far: Writing a custom NamespaceHandler (and related classes) so I can register my own custom element in my own namespace. For example: <myns:import condition="some.property.name" resource="some-context.xml"/> The problem with this approach is that I do not want to replicate the entire resource importing logic from Spring and it isn't obvious to me what I need to delegate to to do this. Overriding DefaultBeanDefinitionDocumentReader to extend the behaviour of the "import" element parsing and interpretation (which happens there in the importBeanDefinitionResource method). However I'm not sure where I can register this extension.

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  • Adventures in MVVM &ndash; My ViewModel Base

    - by Brian Genisio's House Of Bilz
    More Adventures in MVVM First, I’d like to say: THIS IS NOT A NEW MVVM FRAMEWORK. I tend to believe that MVVM support code should be specific to the system you are building and the developers working on it.  I have yet to find an MVVM framework that does everything I want it to without doing too much.  Don’t get me wrong… there are some good frameworks out there.  I just like to pick and choose things that make sense for me.  I’d also like to add that some of these features only work in WPF.  As of Silveright 4, they don’t support binding to dynamic properties, so some of the capabilities are lost. That being said, I want to share my ViewModel base class with the world.  I have had several conversations with people about the problems I have solved using this ViewModel base.  A while back, I posted an article about some experiments with a “Rails Inspired ViewModel”.  What followed from those ideas was a ViewModel base class that I take with me and use in my projects.  It has a lot of features, all designed to reduce the friction in writing view models. I have put the code out on Codeplex under the project: ViewModelSupport. Finally, this article focuses on the ViewModel and only glosses over the View and the Model.  Without all three, you don’t have MVVM.  But this base class is for the ViewModel, so that is what I am focusing on. Features: Automatic Command Plumbing Property Change Notification Strongly Typed Property Getter/Setters Dynamic Properties Default Property values Derived Properties Automatic Method Execution Command CanExecute Change Notification Design-Time Detection What about Silverlight? Automatic Command Plumbing This feature takes the plumbing out of creating commands.  The common pattern for commands in a ViewModel is to have an Execute method as well as an optional CanExecute method.  To plumb that together, you create an ICommand Property, and set it in the constructor like so: Before public class AutomaticCommandViewModel { public AutomaticCommandViewModel() { MyCommand = new DelegateCommand(Execute_MyCommand, CanExecute_MyCommand); } public void Execute_MyCommand() { // Do something } public bool CanExecute_MyCommand() { // Are we in a state to do something? return true; } public DelegateCommand MyCommand { get; private set; } } With the base class, this plumbing is automatic and the property (MyCommand of type ICommand) is created for you.  The base class uses the convention that methods be prefixed with Execute_ and CanExecute_ in order to be plumbed into commands with the property name after the prefix.  You are left to be expressive with your behavior without the plumbing.  If you are wondering how CanExecuteChanged is raised, see the later section “Command CanExecute Change Notification”. After public class AutomaticCommandViewModel : ViewModelBase { public void Execute_MyCommand() { // Do something } public bool CanExecute_MyCommand() { // Are we in a state to do something? return true; } }   Property Change Notification One thing that always kills me when implementing ViewModels is how to make properties that notify when they change (via the INotifyPropertyChanged interface).  There have been many attempts to make this more automatic.  My base class includes one option.  There are others, but I feel like this works best for me. The common pattern (without my base class) is to create a private backing store for the variable and specify a getter that returns the private field.  The setter will set the private field and fire an event that notifies the change, only if the value has changed. Before public class PropertyHelpersViewModel : INotifyPropertyChanged { private string text; public string Text { get { return text; } set { if(text != value) { text = value; RaisePropertyChanged("Text"); } } } protected void RaisePropertyChanged(string propertyName) { var handlers = PropertyChanged; if(handlers != null) handlers(this, new PropertyChangedEventArgs(propertyName)); } public event PropertyChangedEventHandler PropertyChanged; } This way of defining properties is error-prone and tedious.  Too much plumbing.  My base class eliminates much of that plumbing with the same functionality: After public class PropertyHelpersViewModel : ViewModelBase { public string Text { get { return Get<string>("Text"); } set { Set("Text", value);} } }   Strongly Typed Property Getters/Setters It turns out that we can do better than that.  We are using a strongly typed language where the use of “Magic Strings” is often frowned upon.  Lets make the names in the getters and setters strongly typed: A refinement public class PropertyHelpersViewModel : ViewModelBase { public string Text { get { return Get(() => Text); } set { Set(() => Text, value); } } }   Dynamic Properties In C# 4.0, we have the ability to program statically OR dynamically.  This base class lets us leverage the powerful dynamic capabilities in our ecosystem. (This is how the automatic commands are implemented, BTW)  By calling Set(“Foo”, 1), you have now created a dynamic property called Foo.  It can be bound against like any static property.  The opportunities are endless.  One great way to exploit this behavior is if you have a customizable view engine with templates that bind to properties defined by the user.  The base class just needs to create the dynamic properties at runtime from information in the model, and the custom template can bind even though the static properties do not exist. All dynamic properties still benefit from the notifiable capabilities that static properties do. For any nay-sayers out there that don’t like using the dynamic features of C#, just remember this: the act of binding the View to a ViewModel is dynamic already.  Why not exploit it?  Get over it :) Just declare the property dynamically public class DynamicPropertyViewModel : ViewModelBase { public DynamicPropertyViewModel() { Set("Foo", "Bar"); } } Then reference it normally <TextBlock Text="{Binding Foo}" />   Default Property Values The Get() method also allows for default properties to be set.  Don’t set them in the constructor.  Set them in the property and keep the related code together: public string Text { get { return Get(() => Text, "This is the default value"); } set { Set(() => Text, value);} }   Derived Properties This is something I blogged about a while back in more detail.  This feature came from the chaining of property notifications when one property affects the results of another, like this: Before public class DependantPropertiesViewModel : ViewModelBase { public double Score { get { return Get(() => Score); } set { Set(() => Score, value); RaisePropertyChanged("Percentage"); RaisePropertyChanged("Output"); } } public int Percentage { get { return (int)(100 * Score); } } public string Output { get { return "You scored " + Percentage + "%."; } } } The problem is: The setter for Score has to be responsible for notifying the world that Percentage and Output have also changed.  This, to me, is backwards.    It certainly violates the “Single Responsibility Principle.” I have been bitten in the rear more than once by problems created from code like this.  What we really want to do is invert the dependency.  Let the Percentage property declare that it changes when the Score Property changes. After public class DependantPropertiesViewModel : ViewModelBase { public double Score { get { return Get(() => Score); } set { Set(() => Score, value); } } [DependsUpon("Score")] public int Percentage { get { return (int)(100 * Score); } } [DependsUpon("Percentage")] public string Output { get { return "You scored " + Percentage + "%."; } } }   Automatic Method Execution This one is extremely similar to the previous, but it deals with method execution as opposed to property.  When you want to execute a method triggered by property changes, let the method declare the dependency instead of the other way around. Before public class DependantMethodsViewModel : ViewModelBase { public double Score { get { return Get(() => Score); } set { Set(() => Score, value); WhenScoreChanges(); } } public void WhenScoreChanges() { // Handle this case } } After public class DependantMethodsViewModel : ViewModelBase { public double Score { get { return Get(() => Score); } set { Set(() => Score, value); } } [DependsUpon("Score")] public void WhenScoreChanges() { // Handle this case } }   Command CanExecute Change Notification Back to Commands.  One of the responsibilities of commands that implement ICommand – it must fire an event declaring that CanExecute() needs to be re-evaluated.  I wanted to wait until we got past a few concepts before explaining this behavior.  You can use the same mechanism here to fire off the change.  In the CanExecute_ method, declare the property that it depends upon.  When that property changes, the command will fire a CanExecuteChanged event, telling the View to re-evaluate the state of the command.  The View will make appropriate adjustments, like disabling the button. DependsUpon works on CanExecute methods as well public class CanExecuteViewModel : ViewModelBase { public void Execute_MakeLower() { Output = Input.ToLower(); } [DependsUpon("Input")] public bool CanExecute_MakeLower() { return !string.IsNullOrWhiteSpace(Input); } public string Input { get { return Get(() => Input); } set { Set(() => Input, value);} } public string Output { get { return Get(() => Output); } set { Set(() => Output, value); } } }   Design-Time Detection If you want to add design-time data to your ViewModel, the base class has a property that lets you ask if you are in the designer.  You can then set some default values that let your designer see what things might look like in runtime. Use the IsInDesignMode property public DependantPropertiesViewModel() { if(IsInDesignMode) { Score = .5; } }   What About Silverlight? Some of the features in this base class only work in WPF.  As of version 4, Silverlight does not support binding to dynamic properties.  This, in my opinion, is a HUGE limitation.  Not only does it keep you from using many of the features in this ViewModel, it also keeps you from binding to ViewModels designed in IronRuby.  Does this mean that the base class will not work in Silverlight?  No.  Many of the features outlined in this article WILL work.  All of the property abstractions are functional, as long as you refer to them statically in the View.  This, of course, means that the automatic command hook-up doesn’t work in Silverlight.  You need to plumb it to a static property in order for the Silverlight View to bind to it.  Can I has a dynamic property in SL5?     Good to go? So, that concludes the feature explanation of my ViewModel base class.  Feel free to take it, fork it, whatever.  It is hosted on CodePlex.  When I find other useful additions, I will add them to the public repository.  I use this base class every day.  It is mature, and well tested.  If, however, you find any problems with it, please let me know!  Also, feel free to suggest patches to me via the CodePlex site.  :)

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  • When querying the Win32_NTLogEvent Class from WMI with WQL is the TimeGenerated property based on Lo

    - by jpmcclung
    I am writing a C# windows service that is doing some churning through the eventlog on a few domain controllers. Some of them are Windows Server 2003 and some are Windows Server 2008. Upon the service stopping I am attempting to resume where I left off in the logs. In order to do this instead of SELECT * FROM Win32_NTLogEvent WHERE --criteria for events I am looking for I am doing SELECT * FROM Win32_NTLogEvent WHERE TimeGenerated = --some date AND --criteria for events I am looking for At one point I was convinced that the TimeGenerated field was in the local time of the server but now it seems that the Windows 2008 Servers are using GMT to record that time. Can anyone shed some light on if this is a real different between the way the two operating systems function or is this a configuration problem?

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  • Cocoon lite / XML and XSLT publishing framework

    - by bambax
    What publishing frameworks (publishing only, NOT full-blown CMS) based on XML, XSLT sitemaps and pipelines exist, are stable, active, and simpler / lighter than Cocoon? I have glanced at: mod_xslt (http://www.mod-xslt2.com/) which seemed to be exactly that, but looks all but dead, and required a complex setup, and apparently supported only libxslt as an XSLT processor (I'd like to be able to use Saxon and XSLT 2.0 of course). Apache Forrest (http://forrest.apache.org/), but I don't understand if it is really simpler than Cocoon or is rather an additionnal thing on top of Cocoon? What I'm looking for is something that does just this: recieves an HTTP GET "runs it" through a sitemap finds a pipeline: source.xml - xslt1.xsl - xslt2.xsl - xsltn.xsl - serialize runs the pipeline serves the serialized result to the client and: uses Saxon (or is "processor independant") can be installed "lightly", that is: should not require much more configuration than the sitemap Maybe I'm describing an early version of Cocoon, or a future version of an XProc implementation... Anyway, does such a tool exist?

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  • ASP.NET application/web service not working on Windows Vista/IIS 7: access right problem?

    - by Achim
    I have a .NET 3.5 based web service running at http://localhost/serivce.svc/. Then I have an ASP.NET application running at http://localhost/myApp. In Application_Load my application reads some XML configuration from the web service. That works fine on my machine, but: On Windows Vista with IIS 7 the request to the web services fails. The web service can be accessed via the browser without any problem. I configured the app pool of my application to run as admin. I added the admin to the IIS_USRS group, but it still cannot access the web service. impersonate=true/false seems not to make a difference.

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  • GUI to include a .prop file in a VS 2010 project?

    - by jwfearn
    Visual Studio 2010 has no longer uses .vsprops files and instead uses .props files. To include a .vsprops file in a Visual Studio 2008 project, one could right-click the project icon in the Solution Explorer panel, choose Properties, go to the Configuration Properties | General section, and modify the Inherited Project Property Sheets property to contain a list of .vsprops paths. One could also modify the Visual Studio 2008 project file directly. Is there a way in the Visual Studio 2010 GUI to include .props files to a project? The Inherited Project Property Sheets property seems to have been removed. If manual editing of the project file is the only way to include .props files, where can one find documentation on doing it? I'm not talking about adding a .props file to the list of files in the project, I mean how do I tell the project to use a .props file.

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  • Configurationless WCF using Factories and JSONP

    - by FlySwat
    I'm using the WebServiceHostFactory in my WCF services to avoid having to create a crapton of binding configuration in web.config. However, I'd like to expose the services as XML/JSON and JSONP. Reading: http://jasonkelly.net/archive/2009/02/24/using-jquery-amp-jsonp-for-cross-domain-ajax-with-wcf-services.aspx It does not look like I can extend WCF to add JSONP without resorting to a mountain of custom binding config. So, for those who have done it, is it possible to have a restful WCF service that responds in XML/JSON/JSONP depending on the UriTemplate, without resorting to a ton of config wiring?

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  • problem with XAMPP, access forbidden... looking for d:\xampp not c:\xampp

    - by pfunc
    I have been using xampp for a while now without any problem. All of a sudden I start xampp today and I am getting an "Error 403 Access Forbidden" when I try to go to my Localhost. When I check the error logs for apache it says: [Mon Mar 22 21:48:57 2010] [error] [client 127.0.0.1] client denied by server configuration: D:/xaamp This is strange, it should first of all say "C:" and second of all say "Xampp" (not xaamp). Where would I change this is my config files. Have no idea how this could have happened.

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  • Error in Encrypting web.config connection string

    - by Mohan
    Hi everybody, I am encrypting web.config file. My code is below. Configuration config = WebConfigurationManager.OpenWebConfiguration("~"); ConfigurationSection section = config.GetSection("connectionStrings"); if (!section.SectionInformation.IsProtected) { section.SectionInformation.ProtectSection("RSAProtectedConfigurationProvider"); config.Save(); } but this gives me error Object already exists. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.Security.Cryptography.CryptographicException: Object already exists.

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  • NServiceBus FullDuplex sample compiled and debugging against .NET 4.0 framework throws exception

    - by Jim
    I just installed VS2010 RC and launched the FullDuplex sample from NServiceBus 2.0.0.1145 and it ran fine. I then changed the target framework of each project in the solution to ".NET Framework 4", recompiled and launched in the debugger and received the following exception: System.InvalidOperationException was unhandled Message=No endpoint configuration found in scanned assemblies. This usually happens when NServiceBus fails to load your assembly contaning IConfigureThisEndpoint. Try specifying the type explicitly in the NServiceBus.Host.exe.config using the appsetting key: EndpointConfigurationTypeScanned path: C:\Development\Personal\ThirdParty\NServiceBus\samples\FullDuplex\MyClient\bin\Debug\ Source=NServiceBus.Host StackTrace: at NServiceBus.Host.Program.ValidateEndpoints(IEnumerable`1 endpointConfigurationTypes) in d:\BuildAgent-02\work\672d81652eaca4e1\src\host\NServiceBus.Host\Program.cs:line 189 at NServiceBus.Host.Program.GetEndpointConfigurationType() in d:\BuildAgent-02\work\672d81652eaca4e1\src\host\NServiceBus.Host\Program.cs:line 171 at NServiceBus.Host.Program.Main(String[] args) in d:\BuildAgent-02\work\672d81652eaca4e1\src\host\NServiceBus.Host\Program.cs:line 32 InnerException:

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  • Visual Studio 2010 web.config transformations (TransformWebConfig target)

    - by Jeff D
    I am trying to write unit tests for my transformations, so I am running: msbuild migrated-project.csproj /p:Configuration=Release /T:TransformWebConfig. This works for a new project I create in VS2010, but doesn't in this project. I'm assuming it's because it was originally a 2008 project. I know this is supposed to run in a webplatformbuild whatever, but what I'm trying to do, is just run the transform, so I can grab the transformed web.config, and run some unit tests to make sure the right values exist. I don't see TransformWebConfig referenced as a target in either project, so I'm not sure what I'm looking for.

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  • TypeLoadException at startup of WCF

    - by Kelly
    I get the following error long before I hit the breakpoint at Main(). System.Reflection.ReflectionTypeLoadException: Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information. at System.Reflection.Module._GetTypesInternal(StackCrawlMark& stackMark) at System.Reflection.Assembly.GetTypes() at Microsoft.Tools.SvcHost.ServiceHostHelper.LoadServiceAssembly(String svcAssemblyPath) There is a suggestion that it might be a configuration error, but I don't see it when comparing to a similar, working example. How do I "Retrieve the LoaderExceptions property" when it happens this early? Thanks!

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  • Serving static content from cookie less domain and mod_deflate

    - by Saif Bechan
    I have two domain. One domain with my main website and the other with js/css/etc.. files, static content. mod_deflate is enabled for both domains, but when i run ySlow in FireFox it says none of my static content is compressed. When i bring back the js or css file to my normal domain it gets compressed right. Only when its served from the other domain is it not compressed. Do i have to do some more configuration for this to work? I am using this line in my .htaccess file AddOutputFilterByType DEFLATE application/x-javascript text/css text/html text/xml text/plain application/x-httpd-php I tried to but the line in my httpd.conf file but it gives me the same results. PS. If this is more of a serverfault question i am sorry for this. But i see a lot of questions here concerning mod_deflate and ySlow

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  • C# Enterprise Block Application Settings and Settings.Settings designer

    - by Tab
    I am working with v4 of the Enterprise Application block and I am trying to learn how to access the Application Settings that I have added using the Enterprise Library Configuration tool. It's as if the code does not recognize the settings even though I can see them in the app.config. I DO have a Settings.Settings designer added and I CAN get to those settings the standard way even though the settings added in that designer do NOT show up in the app.config like they normally would if I am NOT using the Enterprise Block How do I access the App Settings that I added with the Enterprise Block?

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  • Emgu CV - memory-leaks (memory consumption)

    - by martin pilch
    I am using EmguCV, the OpenCV wrapper for .NET. I am disposing all created objects but my app is still using more and more memory (in release configuration too). I have debugged my app using .NET Memory profiler and get this result: http://img532.imageshack.us/img532/2503/screenqv.png all objects instance count is oscilating but GChandle instance counr is increasing until my machine is unusable. Garbage collector does not release memory (i think). I am using VS 2008 professional, Win7 prof 32-bit, both up to date, and last stable version of emguCV. I can post some app code, if it will help. Thanks and sorry for my English. Martin

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  • using (Fluent) NHibernate with StructureMap (or any IoCC)

    - by Andrew Bullock
    Hi, On my quest to learn NHibernate I have reached the next hurdle; how should I go about integrating it with StructureMap? Although code examples are very welcome, I'm more interested in the general procedure. What I was planning on doing was... Use Fluent NHibernate to create my class mappings for use in NHibs Configuration Implement ISession and ISessionFactory Bootstrap an instance of my ISessionFactory into StructureMap as a singleton Register ISession with StructureMap, with per-HttpRequest caching However, don't I need to call various tidy-up methods on my session instance at the end of the HttpRequest (because thats the end of its life)? If i do the tidy-up in Dispose(), will structuremap take care of this for me? If not, what am I supposed to do? Thanks Andrew

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  • Delphi connection to OpenEdge Progress-4GL Database

    - by Cesar Marrero
    Folks: Has anyone had success connecting to a Progress-4GL database with Delphi?   I've been unable to establish any connection with the ODBC driver provided by the vendor (Progress OpenEdge 10.1C Driver). I've entered (what I believe are) the right parameters, but keep on getting an error whenever I test the connection: "[DataDirect][ODBC Progress OpenEdge Wire Protocol driver] Socket closed." Background: I've been tasked to re-design a 13-year-old application, but the original programmer did not provide any supporting documents, passwords, configuration setup, etc. (I'm on my own)!   To make things worse, online help and useful documentation about Progress is scarce (I had never heard about this database until now). I want to examine the existing data, maybe create an ERD to familiarize myself with the schema, but I can't even access the data outside of the OpenEdge code. Any help is appreciated!

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