ReSharper: setting C# language level for Solution

resharper visual-studio-2015 c#-5.0 c#-6.0 resharper-9.0
Christo picture Christo · Jul 22, 2015 · Viewed 10.5k times · Source

Further to this question, I have lots of projects inside a solution and I dont want to create a dotsettings file for each project. Can anyone help me set the C# Language Level on a solution level.

This is relevant for me as I downloaded VS2015 today and ReSharper is offering me useful refactor suggestions based on targeting C# 6 and my projects are using C#5.

Answer

harishr picture harishr · Jul 23, 2015

I added below settings in .sln.DotSettings 

<s:String x:Key="/Default/CodeInspection/CSharpLanguageProject/LanguageLevel/@EntryValue">CSharp50</s:String>

This line was added to .csproj.DotSettings when I tried to disable c#6 for a particular project. After adding this line in .sln.DotSettings resharper is reporting an error whenever I am trying to use c# 6.0 feature.

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