[FIXED] How to upgrade all solution projects .Net framework 4.5.1 to 4.8 Visual Studio 2019

Issue

I have a solution in Visual Studio 2019 with many C # projects. I need to retarget all of the projects from the .NET Framework 4.5.1 to 4.8. Is it possible to change target at once or do I have to do it separately with every single one of them?

PS: I tried 'TargetFrameworkMigrator', but it doesn't work with (VS2019) / .net 4.8.

Thank you for your help.

Solution

VS unfortunately doesn't provide an easy way for .NET framework, and every project file has it's own setting. So the easiest way is probably a "Edit -> Find and Replace- > Replace in Files" on the directory in VS or any text editor you like.

For Framework projects, in every .csproj you want <TargetFrameworkVersion>v4.8</TargetFrameworkVersion> (from <TargetFrameworkVersion>v4.5.1</TargetFrameworkVersion>), if you have any packages.config, there is targetFramework="net48" (from targetFramework="net451"). You will need to reload the solution after changing for VS to see them.

Answered By - Fire Lancer

Answer Checked By - Marie Seifert (PHPFixing Admin)