Can't auto-generate IDENTITY with AddRange in Entity Framework

Question

I don\'t know if it\'s an Entity Framework\'s desing choice or a wrong approach on my behalf, but whenever I try to AddRange entities to a DbSet I can\'t seem to get the aut

Answer 1

Please try this, it works for Int type column, need to try on long types.

[Table("entities")]
public class Entity 
{
    [Key]
    [Column("id")]
    // this you need to tell to Ef to use Identity .
    [DatabaseGenerated(DatabaseGeneratedOption.Identity)]
    public long Id { get; set; }

    [Column("field")]
    public string Field { get; set; }
}