I\'m used to doing things like
State.Items.Add(new ListItem { Text = \"SomeState\", Value = NumericIDofState });
Where State is a Listbox in A
If you skip the Value, then I think it's quite simple to add a new item into a ComboBox during runtime.
comboBox1.Items.Add("SomeText");
comboBox1.SelectedIndex = comboBox1.Items.Count - 1;
The SelectedIndex
property is set to Items.Count-1
so that the newly added item appears in the ComboBox as the selected item.