public static IQueryable <ForeignKeyTable> ForeignKeyTables(this PrimaryKeyTable obj, IDataContext db)
 {
     return(db.GetTable <ForeignKeyTable>().Where(c => c.PrimaryKeyTableID == obj.ID));
 }
 public static ForeignKeyTable PrimaryKeyTable(this PrimaryKeyTable obj, IDataContext db)
 {
     return(db.GetTable <ForeignKeyTable>().Where(c => c.PrimaryKeyTableID == obj.ID).First());
 }