namespace WebForm

{

    public partial class WebForm1 : System.Web.UI.Page

    {

        protected void Page_Load(object sender, EventArgs e)

        {

            PrintCalender(, );

        }

        public static void PrintCalender(int year, int month)

        {

            formatDate fd = new formatDate(year, month);

            string calender =

 @"日 一 二 三 四 五 六

{0} {0} {0} {0} {0} {0} {0}

{0} {0} {0} {0} {0} {0} {0}

{0} {0} {0} {0} {0} {0} {0}

{0} {0} {0} {0} {0} {0} {0}

{0} {0} {0} {0} {0} {0} {0}

{0} {0} {0} {0} {0} {0} {0}";

            calender = string.Format(calender, fd).TrimEnd();

            HttpContext.Current.Response.Write(calender);

        }

    }

    public class formatDate : IFormattable

    {

        int num;

        int max;

        public formatDate(int year, int month)

        {

            DateTime dt = new DateTime(year, month, );

            num = (int)dt.DayOfWeek * -;

            max = DateTime.DaysInMonth(year, month);

        }

        public string ToString(string format, IFormatProvider formatProvider)

        {

            return num++ <  || num > max ? "  " : num.ToString("");

        }

    }

}