private void attach_Transactions(Transaction entity)
		{
			this.SendPropertyChanging();
			entity.TransactionCate = this;
		}
		private void detach_Transactions(Transaction entity)
		{
			this.SendPropertyChanging();
			entity.TransactionState = null;
		}
		private void detach_Transactions(Transaction entity)
		{
			this.SendPropertyChanging();
			entity.PartPacificCode = null;
		}
 partial void DeleteTransaction(Transaction instance);
 partial void UpdateTransaction(Transaction instance);
 partial void InsertTransaction(Transaction instance);
 public static bool Update(Transaction entity)
 {
     throw new Exception("chua lam!...");
 }