function for date assigning

int month = 1;
            int year = 2009;

            int daysInMonth = DateTime.DaysInMonth(year, month);

            DateTime fromDate = new DateTime(year, month, 1, 0, 0, 0);
            DateTime toDate = new DateTime(year, month, daysInMonth, 0, 0, 0);

            Console.WriteLine(fromDate.ToString("dd/MM/yyyy"));
            Console.WriteLine(toDate.ToString("dd/MM/yyyy"));