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The Designer Is Already Loaded

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May be the version of visual studio is different. Visual Studio has a nasty habit of loading assemblies wherever it can find one that matches your requirements, regardless of the location from which you linked in the assembly. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed From my experience I can tell, it is usually something in my code which does not get properly initialized, e.g. this contact form

I'm running 4.1. In the Project Properties, Debugger, set command line which calls another Visual Studio instance (msdev? However, the following resolved the issue: http://support.microsoft.com/kb/967050 Build both the mixed-mode project and the ui project for Win32. share|improve this answer answered Sep 1 at 6:54 c-iii-O 12 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up

The Designer Is Already Loaded

I have managed to set it up and run the second instance (there was not much to understand how to do it). The language is C#, and we're using Visual Studio 2005. My problem occured since Visual Studio (C# project) couldn't find the managed c++ dll and copy it to the location mentioned in J Collins post => the designer couldn't find the So what I did was comment out the constructor of the offending Usercontrol, and rebuild my project.

share|improve this answer answered Oct 5 '11 at 12:44 CharithJ 26.5k117394 1 Very helpful, thanks! –mcanti Jul 3 '13 at 12:00 add a comment| up vote 0 down vote Usually Very often these errors will occur because of some error or bad dependency that is called through the default constructor for a control (an error that may only manifest itself in There appears to be two cases where either an assembly cant be loaded or can't be found. Visual Studio 2013 Design View Not Working But your answer is also correct.

Please let me know if you need any furthered assistance. Visual Studio 2015 Design View Not Working The images show the designer error, and, the lines of code the issues resolve to. Thanks! –gawicks Apr 17 '15 at 6:05 An old post but this has just saved me a lot of head scratching! https://www.earthli.com/news/view_article.php?id=2487 What have you got to lose?

Checking the assembly version dates on this location, it seems to be quite up to date, being deleted when visual studio exits. Visual Studio 2015 Form Designer Not Showing probably YOU) didn’t remember to take into account that an assembly might be loaded by x86 code or x64 code or some combination thereof. Please let me know if you have any further questions. Problems associated with booking flights inside another set of flights?

Visual Studio 2015 Design View Not Working

What does "M.C." in "M.C. http://stackoverflow.com/questions/166802/windows-form-designer-could-not-load-file-or-assembly asked 6 years ago viewed 1332 times Blog Stack Overflow Podcast #93 - A Very Spolsky Halloween Special Related 0Visual Studio 2008, WinForms designer type conversion318How to use Boost in Visual The Designer Is Already Loaded Sincerely,HristoDeveloper Support EngineerInfragistics, Inc. Visual Studio Form Design Disappeared Once I changed to "Managed 4.0, 4.5", breakpoints for a WinRT application were hit.

I used to be able to simply rebuild the underlying assembly and the problem would be solved, but since I moved to 64bit, this strategy no longer seems to work. http://digitalfishbowl.net/visual-studio/visual-studio-2013-disable-xaml-designer.html But VB.NET is case-insensitive. Browse other questions tagged visual-studio gui-designer or ask your own question. Dev centers Windows Office Visual Studio Microsoft Azure More... Visual Studio Form Designer Not Showing

Next step was to repair VS2010 which in turn installed .net 4. I searched for a day but didn't find a away... Another word for something which updates itself automatically Was user-agent identification used for some scripting attack techique? navigate here This form worked perfectly with VS2008, but is causing an error with VS2010.

Regards, Soumya Reply Post Points: 35 All Replies Soumyap Points 170 Replied On: Tue, Mar 5 2013 5:54 AM Reply Reply Post Points: 20 [Infragistics] Dimi Gineva Points 12,698 Replied Visual Studio Design View Not Working Reply Post Points: 20 [Infragistics]Hristo Points 48,496 Replied On: Fri, May 4 2012 10:03 AM Reply Hello , To use Infragistics Components with Visual Studio 2010 without any issues, Sincerely,HristoDeveloper Support EngineerInfragistics, Inc.

This allowed the second instance to intercept the handled designer exceptions and reveal that file location.

Though Visual Studio offers an option to clean a project or solution, it doesn’t do what you’d expect: assemblies remain in the bin/Debug or bin/x86/Debug folders. Esker" mean? Please let me know : how to open directly the project file only. To Prevent Possible Data Loss Before Loading The Designer Now active the visual studio with designer and try view designer.

In this way, we try to control the build configuration and assemblies used when code is downloaded to a new environment (such as a build server). deer in German: Hirsch, Reh What is the purpose of the box between the engines of an A-10? Is your team mate uses Visual Studio SP1, are you using Visual Studio SP1? http://digitalfishbowl.net/visual-studio/visual-studio-2010-silverlight-designer-error.html Coding Standard - haphazard application Right inverse of f(x)= x² that is not sqrt(x) or -sqrt(x) Am I interrupting my husband's parenting?

Type A originates from 'DevExpress.XtraLayout.v10.2, Version=10.2.5.0, Culture=neutral, PublicKeyToken=b88d1754d700e49a' in the context 'LoadNeither' at location 'C:\Documents and Settings\Marco\Local Settings\Application Data\Microsoft\VisualStudio\10.0\ProjectAssemblies\kn8q9qdt01\DevExpress.XtraLayout.v10.2.dll'. Designer AssembliesThis almost always works, but Visual Studio can still find ways of loading assemblies over which you have little to no control: the designer assemblies. A last-gasp approach could be to remove all the non-generated code from the form and gradually re-introduce it to determine the error. If you're using custom controls you could manually remove the generated code related to the custom controls as well if the previous method still results in an error.

Those are easy to fix: just avoid referencing that data in the constructor or load-routine while in design-mode. Another Visual Studio instance starts. We can see that the designer was attempting to load version 10.2.4.0 of the third-party component library for DevExpress. Thanks for your time.

Interesting enough was the ‘X’ usually related to properties of Infragistics controls that are used on our base form.. Design-Time Errors in the Windows Forms Designer .NET Framework (current version) Other Versions Visual Studio 2010 .NET Framework 3.5 ┬áThis topic explains the meaning and use of the design-time error list We’ve added a batch command that we use to explicitly delete all of these folders so that Visual Studio once again must rely on the HintPath to find its assemblies. more hot questions question feed about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Science

This allowed me to use the Form Designer again. This sounds like something I would definitely try the next time I get hit by this. You could then try simply running the code and seeing what exception is raised when you run it, that should give you some more information. Can I "build" a TDS project without having it attempt to deploy?

share|improve this answer edited Oct 22 '15 at 8:17 Peter Mortensen 10.3k1369107 answered Apr 28 '14 at 23:49 ShawnFeatherly 577414 add a comment| up vote 1 down vote It has been It was unofficially available because the assemblies were included in the solution-local third-party folder, but the designer files were not.