How to bulk update Target Framework of Project

Question

My solution have 30 project's used .net 3.5, now I need to update all project's to .net 4.0. My question is how to bulk update Target Framework from 3.5 to 4.0 of all project's?

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Eagle

Answer 1

Hello Eagle,

All C# and VB.NET project files (.csproj, .vbproj) are text based and can be understood by msbuild.exe. If you open these .csproj files in notepad.exe, you can find there is a element in it which specifies the .NET Target Framework.
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<TargetFrameworkVersion>v2.0</TargetFrameworkVersion>
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You can write some Console application to find that elements in your 30 project files and change them to target  .NET 4.0

http://msdn.microsoft.com/en-us/library/bb383796.aspx 

Ji Zhou

MSDN Subscriber Support in Forum

If you have any feedback on our support, please contact [e-mail]

 

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Answer 2

Does my last reply address your concern? If you need any future help, just let me know!

Have a nice day!

 

 

Ji Zhou

MSDN Subscriber Support in Forum

If you have any feedback on our support, please contact [e-mail]

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Please remember to mark the replies as answers if they help and unmark them if they provide no help.

Answer 3

Thank your first.  I have write code to handle it.

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Eagle