public MyTbCollection FetchAll()
 {
     MyTbCollection coll = new MyTbCollection();
     Query qry = new Query(MyTb.Schema);
     coll.LoadAndCloseReader(qry.ExecuteReader());
     return coll;
 }
 public MyTbCollection FetchByQuery(Query qry)
 {
     MyTbCollection coll = new MyTbCollection();
     coll.LoadAndCloseReader(qry.ExecuteReader()); 
     return coll;
 }
 public MyTbCollection FetchByID(object Id)
 {
     MyTbCollection coll = new MyTbCollection().Where("Id", Id).Load();
     return coll;
 }