private void btnOk_Click(object sender, EventArgs e)
{
var person = new Person()
{
FirstName = txtFirstName.Text,
LastName = txtLastName.Text
};
personManager.AddPerson(person);
}
public void AddPerson(Person person)
{
if (person.ID > 0)
{
if (persons.Select(p => p.ID).Contains(person.ID))
{
throw new Exception($"Person with ID {person.ID} is already existing! You can leave ID to be generated by PersonManager class. ");
}
}
else
{
person.ID = getNewPersonID();
}
persons.Add(person);
}
public void AddPerson(Person person)
{
persons.Add(person);
}