Scott Hanselman

Error connecting to undo manager of source file "whatever designer"

June 14, 2007 Comment on this post [7] Posted in ASP.NET | Bugs
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This error is more than a little irritating, especially considering this is Visual Studio 2005 SP1. I'm getting this, now, for one file, every time I run my application.

Microsoft Visual Studio

The way I "fixed" it was to exclude the file from the Web Application Project, recompile, then re-include, the recompiles.

Seems to me that the error handler that threw this message box should spend more time fixing the problem automatically and less time informing me of a problem I can do little about. Maybe that's just me.

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About Scott

Scott Hanselman is a former professor, former Chief Architect in finance, now speaker, consultant, father, diabetic, and Microsoft employee. He is a failed stand-up comic, a cornrower, and a book author.

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June 14, 2007 23:22
I get that too, amazingly annoying.
June 15, 2007 2:11
A few times I started a compile and came back and noticed that it stopped because of this stupid message which doesn't seem to affect anything.
June 15, 2007 10:35
I hope the person who have written this piece of code reads your blog... and he's already fixing it! I got it too, and it's irritating!
June 15, 2007 16:00
A simpler two-step fix is to: 1) Right-click the designer file and select delete 2) Right-click the aspx file and select Convert to Web Application I get this frequently too, and I think it stems from some sequence of editing the aspx file while the app is running in debug.
July 04, 2007 14:15
Hey Matthew, cheers for the tip! works beutifully
August 08, 2007 10:47
Matthew, thanks a lot for the solution:) it works!!!
August 14, 2007 21:16
Awesome solution Matthew! Thanks!!
don

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Disclaimer: The opinions expressed herein are my own personal opinions and do not represent my employer's view in any way.