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Tag: ef

ASP.NET Core Gotchas – No. 4 Value cannot be null. Parameter name: connectionString when running dotnet ef migrations add

26th January 201826th January 2018 Steve Gordon 2 Comments

I was upgrading a quite mature ASP.NET Core 1.0 project to ASP.NET Core 2.0 today and ran into an odd issue which took me a good half hour to track down. After working my way through the various breaking changes to things such as authorisation I was pretty much at the point where my project […]

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