public ContactBook()
{
if (File.Exists("persons.xml"))
{
addresses = XMLFILE.READXML();
}
else
{
addresses = new List <Contact>();
}
}
public void update(Contact addr)
{
Console.WriteLine("Edit contact: ");
Console.WriteLine("Enter Name: ");
addr.Name = Console.ReadLine();
Console.WriteLine("Enter Last Name: ");
addr.LastName = Console.ReadLine();
Console.WriteLine("Enter phone number: ");
addr.Number = Console.ReadLine();
Console.WriteLine("Address: ");
addr.Address = Console.ReadLine();
Console.WriteLine("Contact updated");
XMLFILE.WriteXML(addresses);
}
public bool remove(string phone)
{
Contact addr = find(phone);
if (addr != null)
{
addresses.Remove(addr);
XMLFILE.WriteXML(addresses);
return(true);
}
else
{
return(false);
}
}
public bool add(string name, string lastname, string number, string address)
{
Contact addr = new Contact(name, lastname, number, address);
Contact result = find(number);
if (result == null) //if null = not found
{
addresses.Add(addr);
XMLFILE.WriteXML(addresses);
return(true);
}
else
{
return(false);
}
}