public override void Down()
{
DropForeignKey("dbo.GamingGroupInvitation", "RegisteredUserId", "dbo.AspNetUsers");
DropIndex("dbo.GamingGroupInvitation", new[] { "RegisteredUserId" });
DropColumn("dbo.GamingGroupInvitation", "DateRegistered");
DropColumn("dbo.GamingGroupInvitation", "RegisteredUserId");
}
}