Important properties of the Calendar control : Calendar « Controls « ASP.NET Tutorial

DayNameFormat:     style of the days of the week. 
                   Possible values are FirstLetter, FirstTwoLetters, Full, Short, and Shortest.

NextMonthText:     the text that appears for the next month link.

NextPrevFormat:    style of the next month and previous month link. 
                   Possible values are CustomText, FullMonth, and ShortMonth.

PrevMonthText:     the text for the previous month link.

SelectedDate:      get / set the selected date.

SelectedDates:     get / set a collection of selected dates.

SelectionMode:     how dates are selected. 
                   Possible values are Day, DayWeek, DayWeekMonth, and None.

SelectMonthText:   text for selecting a month.

SelectWeekText:    text for selecting a week.

ShowDayHeader:     hide or display the day names.

ShowNextPrevMonth: hide or display the links for the next and previous months.

ShowTitle:         hide or display the title bar displayed at the top of the calendar.

TitleFormat:       format the title bar. 
                   Possible values are Month and MonthYear.

TodaysDate:        set current date. 
                   This property defaults to the current date.

VisibleDate:       set the month displayed. 
                   defaults to the month for TodaysDate.

DayRender:         Raised as each day is rendered.

SelectionChanged:  Raised when a new day, week, or month is selected.

VisibleMonthChanged: Raised when the next or previous month link is clicked.

<%@ Page Language="C#" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
<html xmlns="" >
<head id="Head1" runat="server">
    <title>Show Calendar</title>
    <form id="form1" runat="server">

        Runat="server" />


3.21.1.Important properties of the Calendar control
3.21.2.Calendar style
3.21.3.Convert Selected Date from Calendar to Long Date String
3.21.4.title style, day header style, today style, and other month day style
3.21.5.Calendar with events
3.21.6.Calendar selection changed event (C#)
3.21.7.Format value retrieved from asp:Calendar (C#)
3.21.8.Format value from asp:Calendar as 'dddd, MMMM dd yyyy' (
3.21.9.Calendar day renderer event (C#)
3.21.10.Appointment based on Calendar (C#)
3.21.11.Bind selected dates from a calendar to asp:BulletedList
3.21.12.Creating a Pop-up Date Picker
3.21.13.Retrieving a range of dates from a selection (C#)
3.21.14.Retrieving a range of dates from a selection (VB)
3.21.15.Controlling how a day is rendered in the Calendar (C#)
3.21.16.Controlling how a day is rendered in the Calendar (VB)
3.21.17.Calendar control and some of its colorful styles