private void detach_TransactionHistories(TransactionHistory entity)
 {
     this.SendPropertyChanging();
     entity.TransactionType = null;
 }
 partial void DeleteTransactionHistory(TransactionHistory instance);
 partial void UpdateTransactionHistory(TransactionHistory instance);
 partial void InsertTransactionHistory(TransactionHistory instance);
 private void detach_TransactionHistories(TransactionHistory entity)
 {
     this.SendPropertyChanging();
     entity.CheckingAccount = null;
 }
 private void attach_TransactionHistories(TransactionHistory entity)
 {
     this.SendPropertyChanging();
     entity.SavingAccount = this;
 }