ArcGISWindowsPhoneSDK.TimeMapService.DateButton_Click C# (CSharp) Method

        private void DateButton_Click(object sender, RoutedEventArgs e)
        {
            string sendingButton = (sender as Button).Tag.ToString();
            switch (sendingButton)
            {
                case "StartMonth":
                    StartMonthChoicesPage.IsOpen = true;
                    return;
                case "StartDay":
                    StartDayChoicesPage.IsOpen = true;
                    return;
                case "StartYear":
                    StartYearChoicesPage.IsOpen = true;
                    return;
                case "EndMonth":
                    EndMonthChoicesPage.IsOpen = true;
                    return;
                case "EndDay":
                    EndDayChoicesPage.IsOpen = true;
                    return;
                case "EndYear":
                    EndYearChoicesPage.IsOpen = true;
                    return;
                default:
                    return;
            }
        }