share|improve this answer answered Sep 14 '12 at 7:38 Vikrant More 1,212123356 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Many errors include an exact location in the following format: [Project Name] [Form Name] Line:[Line Number] Column:[Column Number]. If located in the same assembly the following error may be displayed: Error Message: No constructor for type ‘[ClassName]' has 0 parameters Image files with Build Action set to Content work or might be you have not installed the SDK pack of it. weblink
This is because null is the Common Language Runtime (CLR) default for reference properties. Please let me know if there is a solution to this problem. You cannot pass messages among Behavior objects, so you cannot handle a mouse message and forward it to any underlying Behavior objects.
Browse other questions tagged silverlight or ask your own question. Hovering over lined text displays a tooltip that describes the source of the error.Activity Validation ErrorsWhen the validation constraints of an activity have not been satisfied, a red circle with a The first class in the file must implement the IComponent interface, or it must derive from the Component class or a class that derives Component. Do I need to remove 1.0.5000.0?
This assembly is not included in the .NET Framework 4 Client Profile. Not the answer you're looking for? This prevents default features such as smart tags and resize glyphs from appearing. Designer Limitations Custom MarkupExtensions should be located in a separate assembly Developers writing their own MarkupExtensions should locate them in a separate assembly from the assembly that is consuming them for
Please install matching version11Always see NullReference exception in designer with all silverlight business applications in visual studio 201055Can't install Silverlight Developer runtime0Silverlight not loading0silverlight business application - mysql/net 6.5.4 connector - For example, if you have four instances of undeclared variables, these will be grouped into the same error category. but +1 for the fix. –Erix Apr 16 '12 at 15:24 Thanks a lot, i was struggling from last 3 hours, Now its working fine : ) –Avinash Singh This bug will be corrected for the final release of Visual Studio 2010.
Unable to Debug at Design Time There are two ways to debug your design-time code: Place MessageBox.Show calls at strategic points in your code. hop over to this website Thanks R./ References: 1. http://connect.microsoft.com/VisualStudio/feedback/details/718259/new-ms-update-causes-vs2010-silverlight-project-to-have-error-in-design-wpf-editor 2. http://social.msdn.microsoft.com/Forums/en/vswpfdesigner/thread/01ce533e-ed94-48d2-8184-e2e34e6bdc6f Share this:TwitterFacebookLike this:Like Loading... Hovering over this icon displays a tooltip that describes the source of the error. Reply Curt Nichols says: February 16, 2010 at 5:23 pm (sent too soon) Obvious if you want to continue using the Blend preview with Beta2 just don't install the RC. 🙂
Unhandled design-time exceptions in Converters and DataTemplateSelectors At design-time, the Designer executes code in Converters and DataTemplateSelectors. have a peek at these guys Note, that even though I use 2010, I still use 3.5. The content you requested has been removed. it's working!🙂 Happy Silverlighting..!
For more information, see How to: Access Design-Time Services. Edit the main class file instead. When you click the link, the associated help topic appears in Visual Studio.Forum posts about this errorThe additional help will include a link to MSDN forum posts related to the error. check over here I have also created a WPF and Window Forms application just as a test and those have worked fine, it is just Silverlight Designer that is a problem.
In addition, if there is another Windows Forms project that is currently open and uses this component, you will probably need to refresh the project to see the changes. The content you requested has been removed. Learning resources Microsoft Virtual Academy Channel 9 MSDN Magazine Community Forums Blogs Codeplex Support Self support Programs BizSpark (for startups) Microsoft Imagine (for students) United States (English) Newsletter Privacy & cookies
Not the answer you're looking for? Developers must ensure they code defensively to avoid this design-time problem. The below solution while less than ideal, will enable using the Designer along with BaseOn styles in Resource Dictionaries. If the designer did not initialize the components field to null, the C# compiler would produce the following warning: "Form1.components is never assigned to, and will always have its default value
Join them; it only takes a minute: Sign up While opening silverlight application an exception occurs up vote 0 down vote favorite In VS2010 I get the following error when opening So here it is: If value Is Nothing OrElse parameter Is Nothing Then Return Nothing Try Dim type = DirectCast(parameter, Type) ‘throw if not type and return nothing If Remove the copy of SilverLight 5.0. this content You should not have to do any magic for converters work.
A good idea would be implementing (maybe it's already implemented and I am not aware of?) System.ComponentModel.DesignerProperties.IsIndesignMode, not related to any element but to the running thread etc. Friday, December 16, 2011 7:32 PM Reply | Quote 0 Sign in to vote Desinstale todas las versiones del silverlight instaladas en mi equipo y luego instale silverlight tools 4 Designer Events Raised in an Unintended Manner If your custom designer attaches event handlers to designer events such as ComponentRemoved ActiveDesignerChanged, and SelectionChanged, you must detach your event handlers in your Collections Fail to Serialize If you want your custom component or control's collection property to be serialized, apply the DesignerSerializationVisibilityAttribute and set it to Content.
Windows Forms Designer User Interface Elements Windows Forms Designer Windows Forms Designer Error Messages Windows Forms Designer Error Messages Visual Studio cannot open a designer for the file because the class To add a reference to System.Design.dll, you must change the project's Target Framework to .NET Framework 4. Another word for something which updates itself automatically Is there an English idiom for provocative titles, something like "yellow title"? Uninstall silverlight (no need to uninstall the sdk just silverlight itself).
Friday, May 11, 2012 9:10 PM Reply | Quote Microsoft is conducting an online survey to understand your opinion of the Msdn Web site. Is there a name for the (anti- ) pattern of passing parameters that will only be used several levels deep in the call chain? Join them; it only takes a minute: Sign up Always see NullReference exception in designer with all silverlight business applications in visual studio 2010 up vote 11 down vote favorite 2 Any advice would be very much appreciated I really need to get started on a project and I feel quite disabled to not have the designer.
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