Entity Framework Include error - entity-framework

Question

I have the following Model objects
public class UserEntry
{
public int UserEntryID { get; set; }
public string UserID { get; set; }
public string TeamName { get; set; }
public int Total { get; set; }
public virtual ICollection<EntryPlayer> EntryPlayers { get; set; }
}
public class EntryPlayer
{
public int EntryPlayerID { get; set; }
public bool Captain { get; set; }
public virtual int UserEntryID { get; set; }
public virtual Player Player { get; set; }
}
public class Player
{
public int PlayerID { get; set; }
public string FirstName { get; set; }
public string MiddleInitial { get; set; }
public string LastName { get; set; }
public int Group { get; set; }
public string Team { get; set; }
public int Score { get; set; }
}
My database schema looks like this:-
When I try and load a UserEntry using this code:-
UserEntry userEntry = this.db.UserEntries
.Where(u => u.UserID == user.Id)
.Include("EntryPlayers")
.FirstOrDefault();
I get the error:
Invalid column name 'Player_PlayerID'
If I change the Player property on my UserEntry object from:
public virtual Player Player { get; set; }
to:
public virtual int PlayerID { get; set; }
then my UserEntry object loads fine but obviously only has the PlayerID and not the whole Player object in it.
What do I need to change so that I can load the Player object within the UserEntry?
I also have this DatabaseInitializer class
namespace ACS.Models {
public class ACSDatabaseInitializer : CreateDatabaseIfNotExists<ACSContext>
{
protected override void Seed(ACSContext context)
{
base.Seed(context);
var players = new List<Player>();
players.Add(new Player
{
PlayerID = 1,
FirstName = "Dave",
MiddleInitial = "",
LastName = "Smith",
Group = 1,
Team = "Team1",
Score = 0
});
players.ForEach(p => context.Players.Add(p));
context.SaveChanges();
}
}
}
and this Context class
namespace ACS.Models
{
public class ACSContext : DbContext
{
public ACSContext()
: base("name=ACS")
{
Database.SetInitializer<ACSContext>(null);
}
public DbSet<Player> Players { get; set; }
public DbSet<UserEntry> UserEntries { get; set; }
public DbSet<EntryPlayer> EntryPlayers { get; set; }
}
}

Answer 1

I needed both a PlayerID property and a Player property on my UserEntry object for this to work