How to fix a missing reference to mscorlib in Visual Studio 2010 - Digital Tool Factory blog

How to fix a missing reference to mscorlib in Visual Studio 2010

Runtime compiling is greatI was trying to update my main app code to utilize the .Net Framework 4.0 and this happened:

The Problem: I could find no obvious way to update the mscorlib reference in my solution, so I decide to simply delete it and add it again, and hope that it magically updates to the most recent version.  This is actually what usually happens with Visual Studio.  However, I delete the mscorlib reference, and I am unable to add it back again, I get the error message telling me that mscorlib is already included in the project.

The Cause: This is a known problem in Visual Studio.

The Solution: I just went into my project (.csproj) file and added the following line

<Reference Include=”mscorlib” />

And that fixed it.  I still have no idea how to make it use the most recent .Net Framework though.

Creative Commons License photo credit: dasapfe

 

This post originally appeared on the Stronico blog – with the absorption of Stronico into Digital Tool Factory this post has been moved to the Digital Tool Factory blog

 

Written By Steve French

 

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