/// <summary>
/// constructor that takes 2 parameters.
/// And adds id for the customer
/// </summary>
/// <param name="contact">the contact object</param>
/// <param name="id">id for the customer</param>
public Customer(Contact contact, string id)
{
m_contact = contact;
m_id = id;
}
/// <summary>
/// constructor with one parameter which calls the constructor
/// with two parameters passing default value for id
/// </summary>
/// <param name="contactIn"></param>
public Customer(Contact contactIn)
: this(contactIn, string.Empty)
{
}
/// <summary>
/// If the index is valid then it will allow the updation
/// of the fields
/// </summary>
/// <param name="contactIn">details of selected customer</param>
/// <param name="index">selected index</param>
/// <returns>true if value is changed</returns>
public bool ChangeCustomer(Contact contactIn, int index)
{
if(IsValidIndex(index))
{
Customer customer = (Customer)customers[index];
customer.ContactData = contactIn;
customers.RemoveAt(index);
customers.Insert(index, customer);
return true;
}
else
return false;
}