entity-framework 1,229

  1. Entity Framework vs LINQ to SQL
  2. Validation failed for one or more entities. See 'EntityValidationErrors' property for more details
  3. MetadataException: Unable to load the specified metadata resource
  4. Code-first vs Model/Database-first
  5. Fastest Way of Inserting in Entity Framework
  6. SqlException from Entity Framework - New transaction is not allowed because there are other threads running in the session
  7. How do I view the SQL generated by the Entity Framework?
  8. There is already an open DataReader associated with this Command which must be closed first
  9. No Entity Framework provider found for the ADO.NET provider with invariant name 'System.Data.SqlClient'
  10. Unable to update the EntitySet - because it has a DefiningQuery and no <UpdateFunction> element exist
  11. How can I get Id of inserted entity in Entity framework?
  12. Entity Framework VS LINQ to SQL VS ADO.NET with stored procedures?
  13. Entity Framework Provider type could not be loaded?
  14. One DbContext per web request… why?
  15. Validation failed for one or more entities while saving changes to SQL Server Database using Entity Framework
  16. EF Migrations: Rollback last applied migration?
  17. The entity cannot be constructed in a LINQ to Entities query
  18. Using Transactions or SaveChanges(false) and AcceptAllChanges()?
  19. Error message 'Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information.'
  20. Conversion of a datetime2 data type to a datetime data type results out-of-range value
  21. Entity Framework: “Store update, insert, or delete statement affected an unexpected number of rows (0).”
  22. Why use ICollection and not IEnumerable or List<T> on many-many/one-many relationships?
  23. Using MySQL with Entity Framework
  24. Entity Framework Timeouts
  25. Reset Entity-Framework Migrations
  26. Entity Framework: There is already an open DataReader associated with this Command
  27. Ignoring a class property in Entity Framework 4.1 Code First
  28. What are the best practices for using a GUID as a primary key, specifically regarding performance?
  29. How do I delete multiple rows in Entity Framework (without foreach)
  30. Create code first, many to many, with additional fields in association table
  31. Entity Framework - Include Multiple Levels of Properties
  32. Entity Framework and Connection Pooling
  33. What does principal end of an association means in 1:1 relationship in Entity framework
  34. How to compare only Date without Time in DateTime types in Linq to SQL with Entity Framework?
  35. Entity Framework Code First - two Foreign Keys from same table
  36. No connection string named 'MyEntities' could be found in the application config file
  37. Introducing FOREIGN KEY constraint may cause cycles or multiple cascade paths - why?
  38. How to call Stored Procedure in Entity Framework 6 (Code-First)?
  39. DbEntityValidationException - How can I easily tell what caused the error?
  40. Entity Framework. Delete all rows in table
  41. MSSQL Error 'The underlying provider failed on Open'


  42. Unique Key constraints for multiple columns in Entity Framework
  43. Entity Framework 4 / POCO - Where to start?
  44. Getting exact error type in from DbValidationException
  45. Decimal precision and scale in EF Code First
  46. How to pass parameters to the DbContext.Database.ExecuteSqlCommand method?
  47. Non-static method requires a target
  48. The specified named connection is either not found in the configuration, not intended to be used with the EntityClient provider, or not valid
  49. Setting unique Constraint with fluent API?
  50. The cast to value type 'Int32' failed because the materialized value is null