public bool AddToList(C5Emails newItem)
{
int startingCount = customers.Count;
customers.Add(newItem);
bool wasAdded = (customers.Count > startingCount) ? true : false;
return(wasAdded);
}
public bool UpdateExistingCustomer(string originalID, C5Emails newCustomer)
{
C5Emails oldcustomer = GetCustomerByID(originalID);
if (oldcustomer != null)
{
oldcustomer.ID = newCustomer.ID;
oldcustomer.FirstName = newCustomer.FirstName;
oldcustomer.LastName = newCustomer.LastName;
oldcustomer.CustomerType = newCustomer.CustomerType;
return(true);
}
else
{
return(false);
}
}
public bool DeleteExisting(C5Emails existingCustomer)
{
bool deleteResult = customers.Remove(existingCustomer);
return(deleteResult);
}