Visual Studio 2010 hangs up when opening a .sql file

Question

I launch VS 2010, and simply open any ordinary (or blank) .sql file and it shows up incorrectly drawn inside the IDE. It draws the document tab, but nothing else. If I typ

Answer 1

I was able to fix the issue by:

1. Downloading the SP1 DVD ISO from here.

2. Executing DACProjectSystemSetup_enu.msi from the root of the ISO.

These 2 simple steps resolved it.

Answer 2

microsoft.visualstudio.editor.implementation clr20r3 I got mine working with the following steps

1. Navigate to C:\Users\USERNAME\AppData\Local\Microsoft\VisualStudio\12.0\
2. Rename ComponentModelCache directory to 1ComponentModelCache1 and the folder will be recreated later
3. Retry

Answer 3

Copy and Install below MSIs from VS 2010 Setup folder:

• DACFramework_enu.msi
• DACProjectSystemSetup_enu.msi
• TSqlLanguageService_enu.msi

Answer 4

Problem solved. I was able to resolve the problem by running the DACProjectSystemSetup_enu.msi installer found on the VS2010-SP1 ISO under the root directory. You might also need to re-install DACFramework_enu.msi and TSqlLanguageService_enu.msi.

I believe the problem was created as a result of installing SQL Server 2008 R2 after installing VS2010.