Does Not Implement Interface Member System Componentmodel Idataerrorinfo Error
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up Why I have a (error does not implement interface member) silverlight up vote 0 down vote favorite PagesCollection.ViewModel.PagePictureCommands.cs namespace PagesCollection.ViewModel { public partial class PagePicturesViewModel : IPropertieCommands { private ICommand deleteAlbum; public ICommand _CreateAlbum { get { if (createAlbum == null) createAlbum = new Model.DelegateCommand(CreateAlbum, CanAdd); return createAlbum; } } } } PagesCollection.ViewModel.PagePicturesViewModel.cs namespace PagesCollection.ViewModel { public partial class PagePicturesViewModel : IPictureMethods { public void CreateAlbum(object param) {...} } } I have one 2 interfaces and one class which divided on 2.Each one half of class has implemented some of those interfaces.But I have a very strange error. ('PagesCollection.ViewModel.PagePicturesViewModel' does not implement interface member 'PagesCollection.Model.IPropertieCommands._CreateAlbum.set') Can u help me please? c# wpf silverlight interface partial share|improve this question asked Jan 3 '12 at 16:45 Thomas Wingfield 55127 add a comment| 2 Answers 2 active oldest votes up vote 3 down vote accepted What is it you don't understand, because the error message seems pretty descriptive: PagesCollection.ViewModel.PagePicturesViewModel' does not implement interface member 'PagesCollection.Model.IPropertieCommands._CreateAlbum.set I suspect that the interface looks like: public interface IPropertieCommands { ICommand _CreateAlbum { get;
here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign http://stackoverflow.com/questions/8715543/why-i-have-a-error-does-not-implement-interface-member-silverlight up INotifyPropertyChange interface error up vote 0 down vote favorite public class ViewModel : INotifyPropertyChanged { private string name; public string Name { get { return name; } set { if (name != value) { name = value; OnPropertyChanged("Name"); } } } protected void OnPropertyChanged(string propertyname) { if (PropertyChanged != null) { PropertyChanged(this, new PropertyChangedEventArgs(propertyname)); } } public PropertyChangedEventHandler PropertyChanged; } public http://stackoverflow.com/questions/21255537/inotifypropertychange-interface-error partial class MainWindow : Window { private ViewModel vm; public MainWindow() { InitializeComponent(); vm = new ViewModel { Name = "Shahrukh Khan" }; DataContext = vm; } private void Button_Click_1(object sender, RoutedEventArgs e) { vm.Name = "Salman Khan"; } } When I run following code I get this error: INotifyUnderstandingYoutube.ViewModel does not implement interface member System.ComponentModel.INotifyPropertyChanged.PropertyChanged I dont understand the reason behind this? Can anyone please explain what is the error? c# inotifypropertychanged share|improve this question edited Jan 21 '14 at 10:43 Dirk 6,99721735 asked Jan 21 '14 at 10:32 TheSpy 72416 add a comment| 2 Answers 2 active oldest votes up vote 3 down vote accepted Your public PropertyChangedEventHandler PropertyChanged; defines PropertyChanged as a field, which happens to be a field of delegate type, but a field nonetheless. INotifyPropertyChanged expectes an event. public event PropertyChangedEventHandler PropertyChanged; ^^^^^ share|improve this answer answered Jan 21 '14 at 10:46 hvd 82.4k9128193 Yes it is working now great :) –TheSpy Jan 21 '14 at 11:39 add a comment| up vote 0 down vote It means you don't fully implement interface. On the interface declaration (after : INotifyPropert
Websites Community Support ASP.NET Community Standup ForumsHelp MVC:Guidance Videos Samples Forum Books Open Source Older Versions - http://www.asp.net/mvc/overview/older-versions-1/models-data/validating-with-the-idataerrorinfo-interface-cs MVC 1 and 2 Getting Started Getting Started with ASP.NET https://github.com/Fody/PropertyChanged/issues/23 MVC 5 1. Getting Started2. Adding a Controller3. Adding a View4. Adding a Model5. Creating a Connection String and Working with SQL Server LocalDB6. Accessing Your Model's Data from a Controller7. Examining the Edit Methods and Edit View8. Adding Search9. Adding does not a New Field10. Adding Validation11. Examining the Details and Delete MethodsIntroduction to ASP.NET MVCCreate an ASP.NET Web App in Azure App ServicePluralsight ASP.NET MVC 5 Fundamentals (video course)Introduction and PrerequisitesOWIN and KatanaIdentity and SecurityBootstrapWeb API 2Entity Framework 6SignalRWeb Developer Tools and Visual Studio 2013Getting Started with EF 6 using MVC 51. Creating does not implement an Entity Framework Data Model2. Implementing Basic CRUD Functionality3. Sorting, Filtering, and Paging4. Connection Resiliency and Command Interception5. Code First Migrations and Deployment6. Creating a More Complex Data Model7. Reading Related Data8. Updating Related Data9. Async and Stored Procedures10. Handling Concurrency11. Implementing Inheritance12. Advanced Entity Framework ScenariosEF Database First with ASP.NET MVC1. Getting Started with Entity Framework 6 Database First using MVC 52. Creating the Web Application and Data Models3. Generating Views4. Changing the Database5. Customizing a View6. Enhancing Data Validation7. Publish to AzureASP.NET MVC Facebook Birthday AppDeploy a Secure ASP.NET MVC 5 app with Membership, OAuth, and SQL Database to an Azure App ServiceCreate a .NET WebJob in Azure App ServiceGet Started with ASP.NET MVC and Azure Cloud ServicesASP.NET MVC Multi-Tier Application Using Azure Service Bus QueuesLifecycle of an ASP.NET MVC 5 ApplicationMonitoring and TelemetryMVC Recommended ResourcesMVC recommended tutorials and articlesRoutingASP.NET RoutingMVC Controllers and RoutingMVC FilteringRecommended Resources for MVCUI, Layouts, and ThemesIntr
Sign in Pricing Blog Support Search GitHub This repository Watch 46 Star 377 Fork 72 Fody/PropertyChanged Code Issues 21 Pull requests 1 Projects 0 Wiki Pulse Graphs New issue object does not implement interface member System.ComponentModel.INotifyPropertyChanged.PropertyChanged #23 Closed DenEddie opened this Issue Apr 30, 2013 · 1 comment Projects None yet Labels None yet Milestone No milestone Assignees No one assigned 2 participants DenEddie commented Apr 30, 2013 Hi, I have a lot of classes that implement an Interface which implements INotifyProperty. When using the [ImplementPropertyChanged] attribute on a class that implemetns this interface, I keep getting the build error that the class does not implement INotifyPropertyChanged. For example: [ImplementPropertyChanged] public partial class MyClass : IClassInterface { .... } Where IClassInterface is defined as: public interface IClassInterface: INotifyPropertyChanged { ..... } Hope this is sufficient information. kind regards, Eddie Fody member SimonCropp commented Apr 30, 2013 Fody operates on "Compile Code". Your code will not compile. The approach for PropertyChanged.Fody is that you take one of two options INotifyPropertyChanged required in your code If you need to explicitly attach to the PropertyChanged event in your code then you should implement INotifyPropertyChanged. In this case you do not need [ImplementPropertyChanged], it is assumed. So your code would look like this public partial class MyClass : IClassInterface { public event PropertyChangedEventHandler PropertyChanged; } public interface IClassInterface: INotifyPropertyChanged { } You only need INotifyPropertyChanged for data binding You only need INotifyPropertyChanged for UI databinding and don't need to atta