VS2010 Edit and Continue Problem

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I am compiling my project in debug mode in VS2010.

Edit and Continue enabled in Tools->Options->Debugging.

But now when I try to change source code while debugging it shows me a dialog saying unable to compile before I fix given errors, but in error grid no error is shown.

Shortly, I am unable to use E&C. By the way I've just added Excel Interop to project and this happens then but I'm not sure whether this is the reason(E&C not working at all code not in Excel Interop piece.)

Thanks and any advice?
(I read all conditions that disable E&C ,didn't help.Target Env:x86,using 64bit Win7)

Posted 13-Nov-11 22:30pm

dieforwhat

Updated 13-Nov-11 22:48pm

RaisKazi

v4

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dieforwhat · Accepted Answer · 2011-11-13T23:19:00

I got the answer.When you use dynamic keyword in your code Edit and Continue stop working.Even I didn't used dynamic keyword explicitly ,Excel(or any Office )interop using dynamic properties prevent E&C.When I uncomment these lines ,E&C started working.

Link about bug(or whatever else):
https://connect.microsoft.com/VisualStudio/feedback/details/586636/dynamic-object-as-method-parameters-breaks-edit-and-continue-for-the-class-and-the-project[^]