Visual Studio 2010 does not recognize asp tags

Visual Studio 2010 suddenly stopped recognizing asp tags in webpages. I don’t know the exact reason behind this behavior but I think it could be because of IE update (from 9 to 10), installing VS 2012 parallelly on same machine, or corrupted VS data files.

My development machine’s environment was

  • Win7 Professional
  • VS 2010 Professional
  • VS 2010 Professional SP1
  • VS 2012 Ultimate
  • SQL Server 2008 Express Management  Tools

I tried below mentioned workaround to fix the issue but no effect

  • Uninstalling the VS 2012 Ultimate
  • Revert back IE from 10 to 9
  • Repairing VS 2010 Professional SP1


Finally, deleting the C:\Users\UserName\AppData\Roaming\Microsoft\VisualStudio\10.0 folder resolved the issue.

Note: Replace the UserName with your logged-in username in above string.


About dotnetcoderoom

Working as an Onsite coordinator in USA. Handling UAT, CR (Change Requests), Product Support/Development, Build Management. Supervise and assist in live product implementation (at client side) and training. Providing technical direction for the development, design, and system integration. Closely monitoring and working with offshore team for Enhancements, Bug Fixing, Enforce coding standards, perform code reviews and mentors junior developers. Proven track of timely delivery of enterprise level web based applications. Skilled in a variety of software languages, tools, and methodologies, with a special expertise in Microsoft .NET technologies. MCTS .Net 4.0 Web applications MCTS .Net 2.0 Web applications GNIIT, MCA, B.Com Specialties 8+ Years of experience in .NET Technologies. Expertise in .NET, ASP.NET, MVC, C#, VB.NET, WCF, Web Services, MS SQL, JQuery. Excellent R&D and troubleshooting skills. Extensive knowledge in E-Commerce and Healthcare domain. View all posts by dotnetcoderoom

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