Telerik.Web.Mvc.UI.Calendar.BuildMonthView C# (CSharp) Method

        private IHtmlNode BuildMonthView(ICalendarHtmlBuilder renderer)
        {
            IHtmlNode monthTag = renderer.MonthTag();

            DateTime? focusedDate = this.DetermineFocusedDate();
            DateTime prevMonth = new DateTime(focusedDate.Value.Year, focusedDate.Value.Month, 1).AddDays(-1);

            int firstDayOfMonthView = DateTime.DaysInMonth(prevMonth.Year, prevMonth.Month) - ((int)(prevMonth).DayOfWeek);

            DateTime startDate = new DateTime(prevMonth.Year, prevMonth.Month, firstDayOfMonthView);
            for (int weekRow = 0; weekRow < 6; weekRow++)
            {
                IHtmlNode rowTag = renderer.RowTag();

                for (int day = 0; day < 7; day++)
                {
                    renderer.CellTag(startDate, urlFormat, startDate.Month != focusedDate.Value.Month).AppendTo(rowTag);
                    startDate = startDate.AddDays(1);
                }
                monthTag.Children.Add(rowTag);
            }
            return monthTag;
        }