private void UnsubscribePolitician() { var politicianKey = GetQueryString("key"); var table = Politicians.GetDataByPoliticianKey(politicianKey); if (table.Count == 0) { Message.InnerText = "The requested email address was not found"; return; } foreach (var row in table) { row.OptOut = true; } Politicians.UpdateTable(table); Message.InnerText = $"{Politicians.FormatName(table[0])} has been unsubscribed from all future candidate emails."; }