using
statements.PackageReference
and packages.config
. The default can be set in Visual Studio's options window.<IsImplicitlyDefined>True</IsImplicitlyDefined>
.) For example, Microsoft.NETCore.App
is part of the .NET Core SDK, and the package version is not the same as the version of the runtime framework used by the application. You need to update your .NET Core installation to get new versions of the ASP.NET Core and .NET Core runtime. See this document for more details on .NET Core metapackages and versioning. This applies to the following commonly used packages:NuGet.Config
files. See Common NuGet configurations for the location of these files, then remove the source by editing the files manually or using the nuget sources command.