Media Summary: C# : ASP.NET Core 2.1 - IdentityUser Issue - DbContextOptionsBuilder Does not contain a definition for UseInMemoryDatabase and no accessible extension method ... Simple example More info with ready to copy and paste code: ...
Invalidoperationexception Cannot Create A Dbset - Detailed Analysis & Overview
C# : ASP.NET Core 2.1 - IdentityUser Issue - DbContextOptionsBuilder Does not contain a definition for UseInMemoryDatabase and no accessible extension method ... Simple example More info with ready to copy and paste code: ... In this video, I am going to teach you , how to fix this error. Fix: Fix: Method 'Fragment' in type 'Microsoft.EntityFrameworkCore.Design.Internal.CSharpHelper' from assembly Microsoft. Change Access Modifier of constructor from protected to public.