public ShipmentSizeCollection FetchAll()
 {
     ShipmentSizeCollection coll = new ShipmentSizeCollection();
     Query qry = new Query(ShipmentSize.Schema);
     coll.LoadAndCloseReader(qry.ExecuteReader());
     return coll;
 }
 public ShipmentSizeCollection FetchByQuery(Query qry)
 {
     ShipmentSizeCollection coll = new ShipmentSizeCollection();
     coll.LoadAndCloseReader(qry.ExecuteReader()); 
     return coll;
 }
 public ShipmentSizeCollection FetchByID(object ShipmentSizeId)
 {
     ShipmentSizeCollection coll = new ShipmentSizeCollection().Where("shipment_size_Id", ShipmentSizeId).Load();
     return coll;
 }