MOSS 2007 : WSS 3.0 : How do you add items into Choice Site Column type.

Here is the sample code,

                SPWeb web = new SPSite("https://karthick64:4040/").OpenWeb();
                SPField spField = web.Fields["MyChoice"];
                SPFieldChoice choiceFields = (SPFieldChoice)spField;
                string[] choices = new string[3] {"x", "y", "z"};
                foreach (string choice in choices)
                {
                    choiceFields.Choices.Add(choice);
                }
                choiceFields.Update();

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