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Converting VS2010 Solution to VS2008

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4.86/5 (50 votes)

May 13, 2010

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Converting VS2010 Solution to VS2008

If you are working with VS 2010 (any edition) and cannot open your 2010 solution on VS 2008, then just follow these 3 steps: For <PROJECT_NAME>.sln:
  1. Open the solution file in your favorite text editor (example: Notepad++).
  2. Find the following: Microsoft Visual Studio Solution File, Format Version 11.00. # Visual Studio 2010. Replace with: Microsoft Visual Studio Solution File, Format Version 10.00. (I) # Visual Studio 2008. (II, optional)
For <Project_name >.csproj/vbproj:
  1. Open project file in your favorite text editor (example: Notepad++).
  2. Find the following: <Project ToolsVersion="4.0" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">. Replace with: <Project ToolsVersion="3.5" DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">. (III)
That's it. Now you can open your solution file on VS2008. Reverse of this will enable VS2008 solution to open in VS2010. EDIT
After these changes, you may receive the below error:
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Microsoft Visual Studio
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Unable to read the project file 'XXX.csproj'. 

C:\Project path\XXX.csproj(89,11): The imported project "C:\Program Files\MSBuild\Microsoft\VisualStudio\v10.0\WebApplications\Microsoft.WebApplication.targets" was not found. Confirm that the path in the <Import> declaration is correct, and that the file exists on disk.
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OK   Cancel   
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To fix this error, just change the VS version(v10.0 to v9.0) in your <Project_name >.csproj/vbproj file, that's all. Good luck with it. Regards, ABHISHEK DEY