private static int SerialContractnumber = 1000000; // serial number that change for each contract
public void AddNanny(Nanny n)
{
if (DS.DataSource.Nannys.Exists(na => na.ID == n.ID))//check if the nanny is allready exists
{
throw new Exception("nanny allready exists");
}
DS.DataSource.Nannys.Add(n.NannyDeepClone());
}
public void AddNanny(Nanny Newnanny)
{
if (ExistNanny(Newnanny))
{
throw new Exception("ERROR nunny is allready exist!! Please check your ID.");
}
DataSource.Nannys.Add(Newnanny.NannyDeepClone());
}
public void addNanny(Nanny n)
{
int index = DataSource.Nannies.FindIndex(t => t.ID == n.ID);
if (index != -1)
{
throw new Exception("You are trying to add already-existing nanny");
}
DataSource.Nannies.Add(n.NannyDeepClone());
}
public void AddNanny(Nanny nanny)
{
if (!DS.DataSource.List_of_Nannies.Any(item => item.ID == nanny.ID))
{
DS.DataSource.List_of_Nannies.Add(nanny.NannyDeepClone());//keep order according to mothers?
}
else
{
throw new Exception("ERROR!: Nanny already exists\n");
}
}