EF Core Second level ThenInclude missworks

by

This is a known Intellisense issue with the ThenInclude overload for collection type navigation properties, tracked by the Completion missing members of lambda parameter in fault tolerance case #8237 Roslyn GitHub issue.

Until it gets fixed, simply type the name of the property and it will compile successfully and work as expected.

.ThenInclude(mu => mu.ParseSubTrees)

Update: Now it’s even specifically mentioned in the Including multiple levels
 section of the EF Core documentation:

Note

Current versions of Visual Studio offer incorrect code completion options and can cause correct expressions to be flagged with syntax errors when using the ThenInclude method after a collection navigation property. This is a symptom of an IntelliSense bug tracked at https://github.com/dotnet/roslyn/issues/8237. It is safe to ignore these spurious syntax errors as long as the code is correct and can be compiled successfully.

More Related Contents:

  1. Equivalent for .HasOptional in Entity Framework Core 1 (EF7)
  2. How to select top N rows for each group in a Entity Framework GroupBy with EF 3.1
  3. Filter all queries (trying to achieve soft delete)
  4. How to add the same column to all entities in EF Core?
  5. ef core 2 apply HasQueryFilter for all entity
  6. Could not load file or assembly Microsoft.Extensions.DependencyInjection.Abstractions, Version=1.1.0.0
  7. Loop/reflect through all properties in all EF Models to set Column Type
  8. Entity framework EF.Functions.Like vs string.Contains
  9. EntityFramework Core automatic migrations
  10. Using EF Core ThenInclude() on Junction tables
  11. Changes in IDENTITY column after EF core 3
  12. What goes into DbContextOptions when invoking a new DbContext?
  13. Entity Framework: Inheritance and Include
  14. Entity Framework Core 2.0 – Run migrations step by step
  15. EF Core 2: How to apply HasQueryFilter for all entities
  16. Improving bulk insert performance in Entity framework [duplicate]
  17. Unique Constraint in Entity Framework Code First
  18. The specified type member ‘Date’ is not supported in LINQ to Entities Exception
  19. Can I reuse code for selecting a custom DTO object for a child property with EF Core?
  20. How do I detach objects in Entity Framework Code First?
  21. How to ensure proxies are created when using the repository pattern with entity framework?
  22. Entity framework core update many to many
  23. Order navigation properties when using Include and/or Select methods with EF 4.1 Code-First?
  24. Package Manager Console Enable-Migrations CommandNotFoundException only in a specific VS project
  25. How can I disable code first migrations
  26. Upgrade EF 4 EDMX to EF 6
  27. An object with the same key already exists in the ObjectStateManager. The ObjectStateManager cannot track multiple objects with the same key
  28. Stuffing an anonymous type in ViewBag causing model binder issues
  29. What is the syntax for self referencing foreign keys in EF Code First?
  30. Entity framework code first delete with cascade

Leave a Comment