//adding a contact to the list
public static bool Add_contact(contacts c)
{
try
{
cList.Add(c);
}
catch
{
return(false);
}
return(true);
}
private void do_search(object sender, TextChangedEventArgs e)
{
//when text changes in the textbox the listbox updates itself to select the contact with entered name
contacts c = new contacts();
string inp = search.Text;
contacts cn = c[inp];
contacts_list.SelectedItem = cn;
}