Entity Framework CTP 4. “Cannot insert the value NULL into column” - Even though there is no NULL value

Question

Im using EF CTP 4. I have a simple console app (for testing purposes) that is using EF to insert some data into a SQL database.

I have come to a problem where by upo

Answer 1

i have the same issue here and it's really an ugly solution.

 [Key]
public Int64 PolicyID { get; set; }

this is NOT an auto generated number

then i hit the same error.

EF Code First CTP5

after apply this:

 [Key]
 [DatabaseGenerated(DatabaseGeneratedOption.None)]
 public Int64 PolicyID { get; set; }

then it will work.