Entity Framework Code First - Cannot insert duplicate key in object 'db'

Question

I\'m using the new EF code first to one project of mine, and i\'m getting a weird error, my mode is:

abstract class Member
{
   public virtual int MemberId;
  ..         


        

Answer 1

• I also had an issue with duplicate keys. For me the reason was that I mistakenly used

  Id = new Guid()

instead of

Id = Guid.NewGuid()

in a factory method for initializing my database.

• This related stackoverflow question might also give some further hints: Cannot insert duplicate key in object 'dbo.User'.\r\nThe statement has been terminated