<asp:Calendar
????AccessKey="string"
????BackColor="color name|#dddddd"
????BorderColor="color name|#dddddd"
????BorderStyle="NotSet|None|Dotted|Dashed|Solid|Double|Groove|Ridge|
        Inset|Outset"
????BorderWidth="size"
????Caption="string"
????CaptionAlign="NotSet|Top|Bottom|Left|Right"
????CellPadding="integer"
????CellSpacing="integer"
????CssClass="string"
????DayNameFormat="Full|Short|FirstLetter|FirstTwoLetters|Shortest"
????Enabled="True|False"
????EnableTheming="True|False"
????EnableViewState="True|False"
????FirstDayOfWeek="Sunday|Monday|Tuesday|Wednesday|Thursday|Friday|
        Saturday|Default"
????Font-Bold="True|False"
????Font-Italic="True|False"
????Font-Names="string"
????Font-Overline="True|False"
????Font-Size="string|Smaller|Larger|XX-Small|X-Small|Small|Medium|
                Large|X-Large|XX-Large"
????????Font-Strikeout="True|False"
????Font-Underline="True|False"
????ForeColor="color name|#dddddd"
????Height="size"
????ID="string"
????NextMonthText="string"
????NextPrevFormat="CustomText|ShortMonth|FullMonth"
????OnDataBinding="DataBinding event handler"
????OnDayRender="DayRender event handler"
????OnDisposed="Disposed event handler"
????OnInit="Init event handler"
????OnLoad="Load event handler"
????OnPreRender="PreRender event handler"
????OnSelectionChanged="SelectionChanged event handler"
????OnUnload="Unload event handler"
????OnVisibleMonthChanged="VisibleMonthChanged event handler"
????PrevMonthText="string"
????runat="server"
????SelectedDate="string"
????SelectionMode="None|Day|DayWeek|DayWeekMonth"
????SelectMonthText="string"
????SelectWeekText="string"
????ShowDayHeader="True|False"
????ShowGridLines="True|False"
????ShowNextPrevMonth="True|False"
????ShowTitle="True|False"
????SkinID="string"
????Style="string"
????TabIndex="integer"
????TitleFormat="Month|MonthYear"
????ToolTip="string"
????UseAccessibleHeader="True|False"
????Visible="True|False"
????VisibleDate="string"
????Width="size"
>
????????<DayHeaderStyle/>
????????<DayStyle/>
????????<NextPrevStyle/>
????????<OtherMonthDayStyle/>
????????<SelectedDayStyle/>
????????<SelectorStyle/>
????????<TitleStyle/>
????????<TodayDayStyle/>
????????<WeekendDayStyle/>
</asp:Calendar>

<asp:Calendar id="Calendar2"
     OnSelectionChanged="Date_Selected"
     SelectionMode="DayWeekMonth"
     Font-Name="Verdana" 
     Font-Size="12px"
     NextPrevFormat="ShortMonth"
     SelectWeekText="week"
     SelectMonthText="month"
     runat="server">

   <TodayDayStyle Font-Bold="True"/>
   <DayHeaderStyle Font-Bold="True"/>
   <OtherMonthDayStyle ForeColor="gray"/>
   <TitleStyle BackColor="#3366ff"
               ForeColor="white"
               Font-Bold="True"/>

   <SelectedDayStyle BackColor="#ffcc66"
                     Font-Bold="True"/>
   <NextPrevStyle ForeColor="white"
                  Font-Size="10px"/>
   <SelectorStyle BackColor="#99ccff" 
                  ForeColor="navy"
                  Font-Size="9px"/>
</asp:Calendar>

Sub Date_Selected(sender as Object sender, e As EventArgs)
   Select (Calendar1.SelectedDates.Count)
      Case 0:    'None
         Label1.Text = "No dates are currently selected"
      Case 1:    'Day
         Label1.Text = "The selected date is " & _ 
                       Calendar1.SelectedDate.ToShortDateString
      Case 7:    'Week
         Label1.Text = "The selection is a week beginning " & _
                       Calendar1.SelectedDate.ToShortDateString
      Case Else: 'Month
         Label1.Text = "The selection is a month beginning " & _
                       Calendar1.SelectedDate.ToShortDateString
   End Select
End Sub

protected void Date_Selected(object sender, EventArgs e)
{
   switch (Calendar1.SelectedDates.Count)
   {
      case (0):   //None
      {
         Label1.Text = "No dates are currently selected";
         break;
      }
      case (1):   //Day
      {
         Label1.Text = "The selected date is " + 
                       Calendar1.SelectedDate.ToShortDateString();
         break;
      }
      case (7):   //Week
      {
         Label1.Text = "The selection is a week beginning " + 
                       Calendar1.SelectedDate.ToShortDateString();
         break;
      }
      default:    //Month
         Label1.Text = "The selection is a month beginning " + 
                       Calendar1.SelectedDate.ToShortDateString();
         break;
   }
}