无法加载类型'Microsoft.EntityFrameworkCore.RelationalReferenceCollectionBuilderExtensions'

Question

我刚刚从asp.net core 2.2迁移到3.1，现在我正在跟踪异常

无法加载类型'Microsoft.EntityFrameworkCore.RelationalReferenceCollectionBuilderExtensions'来自程序集“ Microsoft.EntityFrameworkCore.Relational”，版本= 3.1.3.0，文化=中性，PublicKeyToken = adb9793829ddae60'

Answer 1

从https://docs.microsoft.com/en-us/dotnet/api/microsoft.entityframeworkcore.relationalreferencecollectionbuilderextensions?view=efcore-2.2&viewFallbackFrom=efcore-3.1中可以看到，该类（RelationalReferenceCollectionBuilderExtensions）在3.1中不再存在。