public void Add_Prescription(string number) { if (!PrescriptionNumbers.Contains(number)) { PrescriptionNumbers.Add(number); } }
public void Remove_Prescription(string number) { int index = PrescriptionNumbers.IndexOf(number); if (index > -1) { RemoveAt_Prescription(index); } }
public void RemoveAt_Prescription(int index) { PrescriptionNumbers.RemoveAt(index); }