cannot be opened because its project type is not supported by this version of the visual studio

Project can not open by Visual studio 2008


                I have uninstalled  my visual studio 2008 and reinstall it after that all of my website projects are not opening


Error
"cannot be opened because its project type (.csproj) is not supported by this version of the application.
To open it, please use a version that supports this type of project."


Solution

              Go to Start> All Programs > Visual Studio 2008 > Visual Studio Tools > Click Visual Studio 2008 Command Prompt. Type the below command and press enter.
devenv.exe /resetskippkgs
This will open ur visual studio IDE then the problem has gone.


This command line will do
                 Clears all options to skip loading added to VSPackages by users wishing to avoid loading problem VSPackages, then starts Visual Studio.