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);
}