בבקשה עזרה במיון שרשרת חוליות

מי שמצליח מעבירה לו בביט

public void AddContact(string name, string phone)
{
Node<Contact> pos, firstPos;
Contact c = new Contact(name, phone);
Node<Contact> newContact = new Node<Contact>(c);
bool found = false;
pos = this.contacts;
firstPos = this.contacts;
if (pos == null)
{
pos = newContact;
this.contacts = pos;
return;
}
while (pos != null && !found)
{
if (pos.GetValue().GetName().CompareTo(name) == 0)
found = true;
if (!found)
{
if (pos.GetValue().GetName().CompareTo(name) < 0)
{
firstPos = pos;
}
if (pos.GetValue().GetName().CompareTo(name) > 0)
{
newContact.SetNext(firstPos.GetNext());
firstPos.SetNext(newContact);
}
pos = pos.GetNext();
}
}
if (found)
{
pos.SetValue(new Contact(name, phone));
return;
}
}